CP20.241-V1 [PULS]
24V, 20A, 480W, SINGLE PHASE;
| 型号： | CP20.241-V1 |
| 厂家： | 
PULS GmbH |
| 描述： | 24V, 20A, 480W, SINGLE PHASE |
| 文件： | 总32页 (文件大小：1048K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
POWER SUPPLY
AC 100-240V Wide-range Input
Width only 48mm
Efficiency up to 95.6%
Excellent Partial Load Efficiency
20% Output Power Reserves
Easy Fuse Breaking – 3 times nominal current for 12ms
Safe HiccupPLUS Overload Mode
Active Power Factor Correction (PFC)
Minimal Inrush Current Surge
Full Power Between -25°C and +60°C
DC-OK Relay Contact
Current Sharing Feature for Parallel Use
3 Year Warranty
GENERAL DESCRIPTION
SHORT-FORM DATA
Output voltage
Adjustment range
Output current
DC 24V
Nominal
The Dimension CP-Series are cost optimized power
supplies without compromising quality, reliability and
performance. The most outstanding features of the
CP20 series are the high efficiency, electronic inrush
current limitation, active PFC, wide operational
temperature range and the extraordinary small size.
24 - 28V
Factory setting 24.1V
Below +45°C ambient
At +60°C ambient
At +70°C ambient
24.0 - 20.6A
20.0 – 17.1A
15.0 – 13.0A
Derate linearely between +45°C and +70°C
Input voltage AC
Mains frequency
Input current AC
Power factor
AC 100-240V
50-60Hz
4.26 / 2.23A
0.99 / 0.98
-15%/+10%
6%
The CP20.241-C1 is equipped with conformal coated pc-
boards preferred for applications in harsh areas.
At 120 / 230Vac
At 120 / 230Vac
For CP20.241 (-xx)
For CP20.242
At 110 / 300Vdc
At 120 / 230Vac
At 120 / 230Vac
At 120 / 230Vac
At 120 / 230Vac
The CP20.241-S1 is equipped with quick-connect spring-
clamp terminals preferred for applications which are
exposed to mechanical vibration. The CP20.241-S2 has
push-in terminals optimized for easy cabinet wiring.
20%
20%
Input voltage DC
DC 110-150V
DC 110-300V
4.64A / 1.66A
10.0 / 4.5Apk
94.2 / 95.6%
29.6 / 22.1W
32/ 32ms
-25°C to +70°C
48x124x127mm Without DIN-rail
830g / 1.83lb
Input current DC
AC Inrush current
Efficiency
The CP20.241-V1 is equipped with a remote ON/OFF
feature and the CP20.242 features an enhanced DC
input voltage range.
Losses
Hold-up time
Temperature range
Size (WxHxD)
Weight
The devices have a power reserve of 20% included,
which may even be used continuously up to +45°C.
High immunity to transients and power surges as well as
low electromagnetic emission, a DC-OK relay contact
and a large international approval package makes this
unit suitable for nearly every situation.
ORDER NUMBERS
Power Supply CP20.241
CP20.241-C1 With conformal coated
pc-boards
MARKINGS
For details or a complete approval list see section 20.
IECEx
ATEX
IND. CONT. EQ.
CP20.241-S1 With quick-connect
spring-clamp terminals
CP20.241-S2 With push-in terminals
CP20.241-V1 With remote ON/OFF
feature
UL 60950-1
CP20.242
Enhanced DC input
Mechanical Accessory
ZM5.WALL Wall/Panel mount bracket
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
1/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
INDEX
Page
Page
1. Intended Use .......................................................3
2. Installation Requirements...................................3
3. AC-Input...............................................................5
4. DC-Input...............................................................6
5. Input Inrush Current ...........................................7
6. Output .................................................................8
7. Hold-up Time.....................................................10
8. DC-OK Relay Contact ........................................11
9. Remote ON / OFF Function (CP20.241-V1 only)11
10. Efficiency and Power Losses..............................12
11. Lifetime Expectancy ..........................................13
12. MTBF..................................................................13
13. Functional Diagram...........................................14
14. Terminals and Wiring........................................15
15. Front Side and User Elements...........................17
16. EMC....................................................................18
17. Environment......................................................20
18. Safety and Protection Features ........................21
19. Dielectric Strength ............................................22
20. Approvals.......................................................... 23
21. Other Fulfilled Standards................................. 23
22. Physical Dimensions and Weight..................... 24
23. Accessories ........................................................ 25
23.1. UF20.241 Buffer Module..........................25
23.2. YR40.241/242 - Redundancy Modules .....25
23.3. YR40.245 - Redundancy Modules ............25
23.4. ZM5.WALL – Wall/Panel Mount Bracket .26
24. Application Notes............................................. 27
24.1. Peak Current Capability ...........................27
24.2. Output Circuit Breakers............................28
24.3. Series Operation .......................................29
24.4. Parallel Use to Increase Output Power....29
24.5. Parallel Use for Redundancy....................30
24.6. Charging of Batteries ...............................31
24.7. Operation on Two Phases ........................31
24.8. Use in a Tightly Sealed Enclosure ............31
24.9. Mounting Orientations ............................32
The information given in this document is correct to the best of our knowledge and experience at the time of
publication. If not expressly agreed otherwise, this information does not represent a warranty in the legal sense of the
word. As the state of our knowledge and experience is constantly changing, the information in this data sheet is
subject to revision. We therefore kindly ask you to always use the latest issue of this document (available under
www.pulspower.com).
No part of this document may be reproduced or utilized in any form without our prior permission in writing.
TERMINOLOGY AND ABREVIATIONS
PE and
symbol
PE is the abbreviation for Protective Earth and has the same meaning as the symbol
This document uses the term “earth” which is the same as the U.S. term “ground”.
To be defined, value or description will follow later.
.
Earth, Ground
T.b.d.
AC 230V
A figure displayed with the AC or DC before the value represents a nominal voltage with
standard tolerances (usually 15%) included.
E.g.: DC 12V describes a 12V battery disregarding whether it is full (13.7V) or flat (10V)
230Vac
A figure with the unit (Vac) at the end is a momentary figure without any additional
tolerances included.
50Hz vs. 60Hz
may
As long as not otherwise stated, AC 230V parameters are valid at 50Hz mains frequency.
A key word indicating flexibility of choice with no implied preference.
A key word indicating a mandatory requirement.
shall
should
A key word indicating flexibility of choice with a strongly preferred implementation.
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
2/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
1. INTENDED USE
This device is designed for installation in an enclosure and is intended for the general professional use such as in
industrial control, office, communication, and instrumentation equipment.
Do not use this power supply in equipment, where malfunction may cause severe personal injury or threaten human
life.
2. INSTALLATION REQUIREMENTS
WARNING
Risk of electrical shock, fire, personal injury or death.
- Do not use the power supply without proper grounding (Protective Earth). Use the terminal on the input block for
earth connection and not one of the screws on the housing.
- Turn power off before working on the device. Protect against inadvertent re-powering.
- Make sure that the wiring is correct by following all local and national codes.
- Do not modify or repair the unit.
- Do not open the unit as high voltages are present inside.
- Use caution to prevent any foreign objects from entering the housing.
- Do not use in wet locations or in areas where moisture or condensation can be expected.
- Do not touch during power-on, and immediately after power-off. Hot surfaces may cause burns.
Obey the following installation requirements:
- This device may only be installed and put into operation by qualified personnel.
- Install the device in an enclosure providing protection against electrical, mechanical and fire hazards.
- The device is designed for use in pollution degree 2 areas in controlled environments.
- The enclosure of the device provides a degree of protection of IP20 according to IEC 60529.
- Mount the unit on a DIN-rail so that the input terminals are located on the bottom of the unit. For other mounting
orientations see de-rating requirements in this document.
- The device is designed for convection cooling and does not require an external fan. Do not obstruct airflow and do
not cover ventilation grid (e.g. cable conduits) by more than 15%!
- Keep the following installation clearances: 40mm on top, 20mm on the bottom, 5mm on the left and right sides are
recommended when the device is loaded permanently with more than 50% of the rated power. Increase this
clearance to 15mm in case the adjacent device is a heat source (Example: another power supply).
- Make sure that the wiring is correct by following all local and national codes. Use appropriate copper cables that are
designed for a minimum operating temperature of 60°C for ambient temperatures up to +45°C, 75°C for ambient
temperatures up to +60°C and 90°C for ambient temperatures up to +70°C. Ensure that all strands of a stranded wire
enter the terminal connection. Check also local codes and local requirements. In some countries local regulations
might apply.
- This device does not contain serviceable parts. The tripping of an internal fuse is caused by an internal defect. If
damage or malfunction should occur during installation or operation, immediately turn power off and send the
device to the factory for inspection.
- The device is designed, tested and approved for branch circuits up to up to 30A (UL) or 32A (IEC) without additional
protection device. If an external fuse is utilized, do not use circuit breakers smaller than 10A B- or C-Characteristic to
avoid a nuisance tripping of the circuit breaker.
- A disconnecting means shall be provided for the input of the power supply.
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
3/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
Notes for use in hazardous location areas:
The power supply is suitable for use in Class I Division 2 Groups A, B, C, D locations. See chapter 20 for details.
WARNING EXPLOSION HAZARDS!
Substitution of components may impair suitability for this environment. Do not disconnect the unit or operate the
voltage adjustment or S/P jumper unless power has been switched off or the area is known to be non-hazardous.
Wiring must be in accordance with Class I, Division 2 wiring methods of the National Electrical Code, NFPA 70, and in
accordance with other local or national codes.
A suitable enclosure must be provided for the end product which has a minimum protection of IP54 and fulfils the
requirements of the EN 60079-0.
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
4/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
3. AC-INPUT
The device is suitable to be supplied from TN-, TT- and IT mains networks with AC voltage. For suitable DC supply
voltages see chapter 4.
AC input
Nom. AC 100-240V
AC input range
Min.
Min.
Max.
Nom.
Typ.
85-264Vac
264-300Vac
300Vac
Continuous operation
For maximal 500ms (occasional)
Continuous, according to IEC 62477-1
6%
Allowed voltage L or N to earth
Input frequency
50–60Hz
82Vac
72Vac
Turn-on voltage
Shut-down voltage
Steady-state value, see Fig. 3-1
Steady-state value, see Fig. 3-1
Typ.
External input protection
See recommendations in chapter 2.
AC 100V
5.15A
0.996
AC 120V
4.26A
0.996
AC 230V
2.23A
0.980
Input current
Power factor
Crest factor*)
Typ.
Typ.
Typ.
At 24V, 20A, see Fig. 3-3
At 24V, 20A, see Fig. 3-4
At 24V, 20A, The crest factor is the
mathematical ratio of the peak
value to RMS value of the input
current waveform.
1.65
1.63
1.63
Start-up delay
Rise time
Typ.
Typ.
450ms
145ms
420ms
145ms
440ms
145ms
See Fig. 3-2
At 24V, 20A const. current load,
0mF load capacitance, see Fig. 3-2
Typ.
160ms
200mV
160ms
200mV
160ms
200mV
At 24V, 20A const. current load,
20mF load capacitance, see Fig. 3-2
Turn-on overshoot
Max.
In single use mode, see Fig. 3-2
Fig. 3-1 Input voltage range
Fig. 3-2 Turn-on behavior, definitions
Input
Rated
POUT
input range
max.
Voltage
500ms
- 5%
Output
Voltage
VIN
264V 300Vac
Start-up Rise
delay
Time
85V
Fig. 3-3 Input current vs. output current at
Fig. 3-4 Power factor vs. output current at
24V output voltage
24V output voltage
Power Factor, typ.
Input Current, typ.
6A
a
a, b
1.0
c
b
5
0.95
a) 100Vac
b) 120Vac
c) 230Vac
4
3
2
1
0
0.9
a) 100Vac
b) 120Vac
c) 230Vac
c
0.85
0.8
Output Current
8 10 12 14 16 18 20 22 24A
Output Current
0.75
2
4
6
2
4
6
8
10 12 14 16 18 20 22 24A
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
5/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
4. DC-INPUT
The device is suitable to be supplied from a DC input voltage. Use a battery or a similar DC source. A supply from the
intermediate DC-bus of a frequency converter is not recommended and can cause a malfunction or damage the unit.
Connect +pole to L, –pole to N and the PE terminal to an earth wire or to the machine ground.
DC input
Nom.
DC 110-150V
20%
For CP20.241, CP20.241-C1, CP20.241-S1, CP20.241-
S2, CP20.241-V1
Nom.
Min.
DC 110-300V
88-180Vdc
20%
For CP20.242
DC input range
DC input current
Continuous operation for CP20.241, CP20.241-C1,
CP20.241-S1, CP20.241-S2, CP20.241-V1
Continuous operation for CP20.242
At 110Vdc, at 24V, 20A
88-360Vdc
4.64A
1.66A
Typ.
Typ.
Max.
At 300Vdc, at 24V, 20A
Allowed Voltage (+) or (-) input
to Earth
375Vdc
Continuous according to IEC 62477-1
Turn-on voltage
Shut-down voltage
Typ.
Typ.
80Vdc
70Vdc
Steady state value
Steady state value
Fig. 4-1 Wiring for DC Input
Battery
Power Supply
AC
L
+
N
+
Load
PE
-
-
DC
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
6/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
5. INPUT INRUSH CURRENT
An active inrush limitation circuit limits the input inrush current after turn-on of the input voltage.
The charging current into EMI suppression capacitors is disregarded in the first microseconds after switch-on.
AC 100V
15Apeak
12Apeak
1A2s
AC 120V
12Apeak
10Apeak
1A2s
AC 230V
5.5Apeak
4.5Apeak
1A2s
Inrush current
Inrush energy
Max.
Typ.
Max.
Temperature independent
Temperature independent
Temperature independent
Fig. 5-1 Typical turn-on behavior at nominal
load and 25°C ambient
Input Current 5A / DIV
230Vac
Input
24Vdc
100mS/DIV
Output
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
7/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
6. OUTPUT
The output provides a SELV/PELV rated voltage, which is galvanically isolated from the input voltage.
The output is designed to supply any kind of loads, including capacitive and inductive loads. If extreme large
capacitors, such as EDLCs (electric double layer capacitors or “UltraCaps”) with a capacitance > 1F are connected to the
output, the unit might charge the capacitor in the HiccupPLUS mode.
Output voltage
Nom. 24V
Adjustment range
Min.
Max.
24-28V
30V
Guaranteed value
This is the maximum output voltage which can occur
at the clockwise end position of the potentiometer
due to tolerances. It is not a guaranteed value which
can be achieved.
Factory setting output voltage
Typ.
24.1V
In “single use” mode: 0.2%, at full load, cold unit
In “parallel use” mode: 0.2%, at 20A, cold unit
(results to 23.9V 0.2% at 24A and 25.1V 0.2% at no
load)
Line regulation
Load regulation
Max.
Max.
Typ.
10mV
100mV
1000mV
Between 85 and 300Vac input voltage change
Between 0 and 24A in “single use” mode, static value
Between 0 and 24A in “parallel use” mode, static
value, see Fig. 6-2
Ripple and noise voltage
Output current
Max.
50mVpp
Bandwidth 20Hz to 20MHz, 50Ohm
Nom. 24A1)
Nom. 20A
Nom. 15A
Nom. 20.6A1)
Nom. 17.1A
Nom. 13A
At 24V and an ambient temperature below 45°C
At 24V and 60°C ambient temperature
At 24V and 70°C ambient temperature
At 28V and an ambient temperature below 45°C
At 28V and 60°C ambient temperature
At 28V and 70°C ambient temperature
Derate linearely between +45°C and +70°C
60A Up to 12ms once every five seconds, see Fig. 6-4.
The fuse braking current is an enhanced transient current which helps to
start heavy loads or to trip fuses on faulty output branches. The output
voltage stays above 20V. See chapter 24.1 for additional measurements.
Fuse breaking current
Overload protection
Typ.
Included
Electronically protected against overload, no-load
and short-circuits. In case of a protection event,
audible noise may occur.
Overload behavior
Continuous current Output voltage above 13Vdc, see Fig. 6-1
Intermitted current2) Output voltage below 13Vdc, see Fig. 6-1
Overload/ short-circuit current
Min.
Max.
Typ.
26A
29.8A
29A
Continuous current, see Fig. 6-1
Continuous current, see Fig. 6-1
Intermitted current peak value for typ. 2s
Load impedance 10mOhm, see Fig. 6-3
Discharge current of output capacitors is not included.
Max.
Typ.
9.8A
Intermitted current average value (R.M.S.)
Load impedance 10mOhm, see Fig. 6-3
Output capacitance
8 500μF
Included inside the power supply
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
8/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
Back-feeding loads
Max.
35V
The unit is resistant and does not show
malfunctioning when a load feeds back voltage to
the power supply. It does not matter whether the
power supply is on or off. The absorbing energy can
be calculated according to the built-in large sized
output capacitor.
1) This current is also available for temperatures up to +70°C with a duty cycle of 10% and/ or not longer than 1 minute every 10 minutes.
2) HiccupPLUS Mode
At heavy overloads (when output voltage falls below 13V), the power supply delivers continuous output current for 2s. After this, the
output is switched off for approx. 18s before a new start attempt is automatically performed. This cycle is repeated as long as the overload
exists. If the overload has been cleared, the device will operate normally. See Fig. 6-3.
Fig. 6-1 Output voltage vs. output current,
Fig. 6-2 Output voltage in “parallel use”
typ.
mode, typ.
Output Voltage (Single Use, typ.)
Output Voltage (Parallel Use, typ.)
Adjustment
Range
Adjustment
Range
28V
24
29V
28V
27V
26V
25V
20
A
16
12
A: continuous current
Factory
setting
8
4
0
24V
23V
22V
B: intermitted current
B
Output Current
10 15 20 25 30 35 40A
Output Current
16 20 24A
0
5
0
4
8
12
Fig. 6-3 Short-circuit on output, HiccupPLUS® mode, typ.
Fig. 6-4 Dynamic overcurrent capability, typ.
Output Voltage (dynamic behavior, < 12ms)
28V
24
Output
Current
Normal
operation
Normal
operation
Short -circuit
Adjustment
20
Range
16
29A
12
8
t
0
4
2s
2s
18s
2s
18s
18s
Output Current
0
0
10
20
30
40
50
60 70A
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
9/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
7. HOLD-UP TIME
AC 100V
65ms
54ms
32ms
24ms
AC 120V
65ms
54ms
32ms
24ms
AC 230V
65ms
54ms
32ms
24ms
Hold-up Time
Typ.
Min.
Typ.
Min.
At 24V, 10A, see Fig. 7-1
At 24V, 10A, see Fig. 7-1
At 24V, 20A, see Fig. 7-1
At 24V, 20A, see Fig. 7-1
Fig. 7-1 Hold-up time vs. input voltage
Fig. 7-2 Shut-down behavior, definitions
Hold-up Time
Zero Transition
80ms
Input
Voltage
70
60
50
40
30
20
10
0
24V, 10A, typ.
24V, 10A, min.
24V, 20A, typ.
24V, 20A, min.
- 5%
Output
Voltage
Hold-up Time
Input Voltage
155 190 230Vac
85
120
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
10/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
8. DC-OK RELAY CONTACT
This feature monitors the output voltage on the output terminals of a running power supply.
Contact closes
Contact opens
As soon as the output voltage reaches typ. 90% of the adjusted output voltage level.
As soon as the output voltage dips more than 10% below the adjusted output voltage.
Short dips will be extended to a signal length of 100ms. Dips shorter than 1ms will be ignored.
Switching hysteresis
Contact ratings
1V
Maximal 60Vdc 0.3A, 30Vdc 1A, 30Vac 0.5A, resistive load
Minimal permissible load: 1mA at 5Vdc
See dielectric strength table in section 18.
Isolation voltage
Fig. 8-1 DC-ok relay contact behavior
VOUT = VADJ
0.9* VADJ
10%
<
>
100ms
1ms
1...4ms
open
closed
open
closed
9. REMOTE ON / OFF FUNCTION (CP20.241-V1 ONLY)
This feature allows to switch-off the power supply output with a signal switch or transistor. A link
between pin 15 and 16 turns the power supply on. Pin 15 is referenced to the (-) output voltage.
16
Remote
ON/OFF
The open-loop voltage between pin 16 and pin 15 can be up to 18V. The maximum current, when in
remote ON mode, can be up to 2.5mA.
15
The threshold level to switch-off the output is typically 5V and the turn-on threshold is typically 9V.
16
15
When multiple power supplies are connected in parallel, pin 15 and pin 16 are also allowed to be
paralleled to control all units with the same switch or transistor.
Remote
ON/OFF
Please note: The remote ON/OFF function has no safety feature included.
Fig. 9-1 The switch-off and the turn-on timing
>1s
Remote
ON/OFF
<1s
15-16 linked
15-16 open
Output
Voltage
A: Turn-on delay acc. Fig. 3-2
B: Rise time acc. Fig. 3-2
C
C
C: No active discharge of the output
B
1s
A
B
A
Time
after switch-off
Pulses shorter than 1s
will be extended to 1s
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
11/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
10. EFFICIENCY AND POWER LOSSES
AC 100V
AC 120V
94.2%
94.1%
AC 230V
95.6%
95.5%
Efficiency
Typ.
Typ.
Typ.
93.6%
93.5%
93.2%
At 24V, 20A
At 24V, 24A (Power Boost)
25% at 5A, 25% at 10A,
25% at 15A. 25% at 20A
Average efficiency*)
Power losses
93.8%
95.0%
typ.
T.B.D.
T.B.D.
T.B.D.
CP20.241-V1 in “Remote OFF”
mode
Typ.
Typ.
Typ.
Typ.
2.5W
16.0W
32.8W
40.0W
2.2W
15.0W
29.6W
36.1W
2.2W
12.5W
22.1W
27.1W
At 24V, 0A
At 24V, 10A
At 24V, 20A
At 24V, 24A (Power Boost)
*) The average efficiency is an assumption for a typical application where the power supply is loaded with 25% of the nominal load for 25%
of the time, 50% of the nominal load for another 25% of the time, 75% of the nominal load for another 25% of the time and with 100%
of the nominal load for the rest of the time.
Fig. 10-1 Efficiency vs. output current at 24V,
Fig. 10-2 Losses vs. output current at 24V,
typ
typ.
Efficiency
Power Losses
96%
95
94
93
92
91
90
88
87
40W
35
(a)
(b)
(c)
(a) 100Vac
(b) 120Vac
(b)
(a)
30
25
20
15
10
5
(c) 230Vac
(c)
(a) 100Vac
(b) 120Vac
(c) 230Vac
Output Current
2 4 6 8 10 12 14 16 18 20 22 24A
Output Current
0
0
4
6
8 10 12 14 16 18 20 22 24A
Fig. 10-3 Efficiency vs. input voltage at 24V,
Fig. 10-4 Losses vs. input voltage at 24V, 20A,
20A, typ.
typ.
Efficiency
Power Losses
96%
40W
95
94
93
92
35
30
25
20
15
91
Input Voltage
Input Voltage
10
90
100 120
180
230 264Vac
100 120
180
230 264Vac
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
12/32
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P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
11. LIFETIME EXPECTANCY
The Lifetime expectancy shown in the table indicates the minimum operating hours (service life) and is determined by
the lifetime expectancy of the built-in electrolytic capacitors. Lifetime expectancy is specified in operational hours and
is calculated according to the capacitor’s manufacturer specification. The manufacturer of the electrolytic capacitors
only guarantees a maximum life of up to 15 years (131 400h). Any number exceeding this value is a calculated
theoretical lifetime which can be used to compare devices.
AC 100V
123 000h
348 000h
48 000h
136 000h
23 000h
64 000h
AC 120V
149 000h
422 000h
60 000h
169 000h
31 000h
88 000h
AC 230V
173 000h
488 000h
94 000h
265 000h
54 000h
Lifetime expectancy
At 24V, 10A and 40°C
At 24V, 10A and 25°C
At 24V, 20A and 40°C
At 24V, 20A and 25°C
At 24V, 24A and 40°C
At 24V, 24A and 25°C
152 000h
12. MTBF
MTBF stands for Mean Time Between Failure, which is calculated according to statistical device failures, and indicates
reliability of a device. It is the statistical representation of the likelihood of a unit to fail and does not necessarily
represent the life of a product.
The MTBF figure is a statistical representation of the likelihood of a device to fail. A MTBF figure of e.g. 1 000 000h
means that statistically one unit will fail every 100 hours if 10 000 units are installed in the field. However, it can not
be determined if the failed unit has been running for 50 000h or only for 100h.
For these types of units the MTTF (Mean Time To Failure) value is the same value as the MTBF value.
AC 100V
422 000h
790 000h
186 000h
AC 120V
445 000h
832 000h
191 000h
AC 230V
590 000h
1 060 000h
226 000h
MTBF SN 29500, IEC 61709
MTBF MIL HDBK 217F
At 24V, 20A and 40°C
At 24V, 20A and 25°C
At 24V, 20A and 40°C;
Ground Benign GB40
256 000h
40 000h
53 000h
263 000h
42 000h
55 000h
313 000h
50 000h
67 000h
At 24V, 20A and 25°C;
Ground Benign GB25
At 24V, 20A and 40°C;
Ground Fixed GF40
At 24V, 20A and 25°C;
Ground Fixed GF25
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
13/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
13. FUNCTIONAL DIAGRAM
Fig. 13-1 Functional diagram CP20.241, CP20.241-C1, CP20,241-S1, CP20.242
+
+
-
-
-
L
N
Input Fuse
Input Filter
Input Rectifier
Active Inrush Limiter
Output
Filter
Power
Converter
PFC
Converter
Link for
Parallel
Use
Output
Voltage
Temper-
Output
Regulator
Output
ature
Shut-
down
Over-
Voltage
VOUT
Power
Manager
Protection
DC-ok
LED
Output
Voltage
Monitor
DC-ok
Relay
DC-ok
Contact
Fig. 13-2 Functional diagram CP20.241-S2
L
N
Input Fuse
Input Filter
Input Rectifier
Active Inrush Limiter
+
-
-
Output
Filter
Power
Converter
PFC
Converter
Link for
Parallel
Use
Output
Voltage
Temper-
ature
Output
Regulator
Output
Power
Over-
Voltage
VOUT
Shut-
Manager
down
Protection
DC-ok
LED
Output
Voltage
Monitor
DC-ok
Relay
DC-ok
Contact
Fig. 13-3 Functional diagram CP20.241-V1
+
+
-
-
-
L
N
Input Fuse
Input Filter
Input Rectifier
Active Inrush Limiter
Output
Filter
Power
Converter
PFC
Converter
Link for
Parallel
Use
Output
Voltage
Temper-
ature
Output
Regulator
Output
Power
Over-
Voltage
VOUT
Shut-
Manager
down
Protection
DC-ok
LED
Output
Voltage
Monitor
DC-ok
Relay
DC-ok
Contact
Remote
ON/OFF
Remote
ON/OFF
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
14/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
14. TERMINALS AND WIRING
The terminals are IP20 Finger safe constructed and suitable for field- and factory wiring.
CP20.241, CP20.241-C1,
CP20.241-V1, CP20.242
Input
Output
Signal Terminals
Type
Solid wire
Stranded wire
American Wire Gauge
Screw termination
Max. 6mm2
Screw termination
Max. 6mm2
Push-in termination
Max. 1.5mm2
Max. 1.5mm2
AWG 24-16
1.6mm
Max. 4mm2
Max. 4mm2
AWG 20-10
AWG 20-10
Max. wire diameter (including ferrules) 2.8mm
2.8mm
Recommended tightening torque
Wire stripping length
Screwdriver
Max. 1Nm, 9lb-in
7mm / 0.28inch
3.5mm slotted or cross-
head No 2
Max. 1Nm, 9lb-in
7mm / 0.28inch
3.5mm slotted or cross-
head No 2
-
7mm / 0.28inch
3mm slotted to open
the spring
CP20.241-S1
Input
Output
Signal Terminals
Type
Quick-connect spring-
clamp termination
Quick-connect spring-
clamp termination
Push-in termination
Solid wire
Stranded wire
American Wire Gauge
Max. 6mm2
Max. 4mm2
AWG 20-10
Max. 6mm2
Max. 4mm2
AWG 20-10
2.8mm
Max. 1.5mm2
Max. 1.5mm2
AWG 24-16
1.6mm
Max. wire diameter (including ferrules) 2.8mm
Wire stripping length
Screwdriver
10mm / 0.4inch
-
10mm / 0.4inch
-
7mm / 0.28inch
3mm slotted to open
the spring
CP20.241-S2
Type
Solid wire
Stranded wire
Stranded wire with ferrules
American Wire Gauge
Input
Output
Signal Terminals
Push-in termination
Max. 1.5mm2
Max. 1.5mm2
Max. 1.5mm2
AWG 24-16
Push-in termination
Max. 2.5mm2
Max. 2.5mm2
Max. 1.5mm2
AWG 24-12
Push-in termination
Max. 10mm2
Max. 6mm2
Max. 4mm2
AWG 24-8
Max. wire diameter (including ferrules) 2.3mm
3.3mm
1.6mm
Wire stripping length
Screwdriver
10mm / 0.4inch
15mm / 0.6inch
7mm / 0.28inch
3.0mm slotted to open
the spring
3.5mm slotted to open
the spring
3mm slotted to open
the spring
Instructions for wiring:
a) Use appropriate copper cables that are designed for minimum operating temperatures of:
60°C for ambient up to 45°C and
75°C for ambient up to 60°C and
90°C for ambient up to 70°C minimum.
b) Follow national installation codes and installation regulations!
c) Ensure that all strands of a stranded wire enter the terminal connection!
d) Unused terminal compartments should be securely tightened.
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
15/32
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P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
Daisy chaining:
Daisy chaining (jumping from one power supply output to the next) is not allowed. Use a separate distribution
terminal block as shown in Fig. 14-1.
Fig. 14-1 Using distribution terminals
Distribution
Terminals
Power
Supply
Power
Supply
Load
+
+
+
+
- -
- -
Output
Output
+
-
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
16/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
15. FRONT SIDE AND USER ELEMENTS
Fig. 15-1 Front side
CP20.241-S2
CP20.241,
CP20.241-S1
CP20.241-V1
CP10.242
CP20.241-C1
A
B
Input Terminals
N, L
Line input
PE (Protective Earth) input
Output Terminals
CP20.241-S2: one + pole and two identical - poles
All other units: two identical + poles and three identical - poles
+
–
Positive output
Negative (return) output
C
Output Voltage Potentiometer
D DC-OK LED (green) On, when the output voltage is >90% of the adjusted output voltage
E
F
DC-OK Relay Contact The DC-OK relay contact is synchronized with the DC-OK LED. See chapter 8 for details.
“Parallel Use” “Single Use” Link
Link the two terminal poles when power supplies are connected in parallel. In order to achieve a sharing of the
load current between the individual power supplies, the “parallel use” regulates the output voltage in such a
manner that the voltage at no load is approx. 4% higher than at nominal load. See also chapter 24.4.
G Remote ON/OFF Input Pin 15 and 16 must be connected to turn the power supply off. See chapter 9 for details.
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
17/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
16. EMC
The EMC behavior of the device is designed for applications in industrial environment as well as in residential,
commercial and light industry environments.
EMC Immunity
According to the generic standards EN 61000-6-1 and EN 61000-6-2.
Electrostatic discharge
EN 61000-4-2
Contact discharge
Air discharge
8kV
15kV
Criterion A
Criterion A
Electromagnetic RF field
Fast transients (Burst)
EN 61000-4-3
EN 61000-4-4
80MHz-2.7GHz
20V/m
Criterion A
Input lines
Output lines
Signal lines (coupling clamp)
4kV
2kV
2kV
Criterion A
Criterion A
Criterion A
Surge voltage on input
Surge voltage on output
EN 61000-4-5
EN 61000-4-5
L Æ N
L Æ PE, N Æ PE
+ Æ -
+ / - Æ PE
2kV
4kV
1kV
2kV
Criterion A
Criterion A
Criterion A
Criterion A
Surge voltage on DC-OK
Conducted disturbance
Mains voltage dips
EN 61000-4-5
EN 61000-4-6
EN 61000-4-11
Signal lines Æ PE
1kV
20V
0Vac, 20ms
40Vac, 200ms
70Vac, 500ms
0Vac, 20ms
Criterion A
Criterion A
0.15-80MHz
0% of 100Vac
40% of 100Vac
70% of 100Vac
0% of 200Vac
40% of 200Vac
70% of 200Vac
Criterion A
Criterion C
Criterion A
Criterion A
Criterion A
Criterion A
80Vac, 200ms
140Vac, 500ms
Voltage interruptions
Voltage sags
EN 61000-4-11
SEMI F47 0706
0% of 200Vac (=0V)
Dips on the input voltage according to SEMI F47 standard
5000ms
Criterion C
80% of 120Vac (96Vac)
70% of 120Vac (84Vac)
50% of 120Vac (60Vac)
1000ms
500ms
200ms
Criterion A
Criterion A
Criterion A
Powerful transients
VDE 0160
Over entire load range
750V, 0.3ms
Criterion A
Criterions:
A: Power supply shows normal operation behavior within the defined limits.
C: Temporary loss of function is possible. Device may shut-down and restarts by itself. No damage or hazards for the device will occur.
EMC Emission
According to the generic standards EN 61000-6-3 and EN 61000-6-4.
Conducted emission
input lines
EN 55011, EN 55022, FCC Part 15, CISPR 11, CISPR 22
Class B
Conducted emission
output lines
IEC/CISPR 16-1-2, IEC/CISPR 16-2-1
T.B.D. for information only, not
mandatory for EN 61000-6-3
Radiated emission
Harmonic input current
EN 55011, EN 55022
EN 61000-3-2
Class B
Class A equipment: fulfilled
Class C equipment: fulfilled in
the load range from 8 to 24A
Voltage fluctuations, flicker EN 61000-3-3
This device complies with FCC Part 15 rules.
Fulfilled, tested with constant
current loads, non pulsing
Operation is subjected to following two conditions: (1) this device may not cause harmful interference, and (2) this
device must accept any interference received, including interference that may cause undesired operation.
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
18/32
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P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
Switching Frequencies
PFC converter
100kHz
Fixed frequency
Main converter
Auxiliary converter
80kHz to 140kHz
60kHz
Output load dependent
Fixed frequency
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
19/32
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P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
17. ENVIRONMENT
Operational temperature
-25°C to +70°C (-13°F to 158°F)
The operational temperature is the ambient or
surrounding temperature and is defined as the
air temperature 2cm below the device.
Storage temperature
Output de-rating
-40°C to +85°C (-40°F to 185°F)
For storage and transportation
6.4W/°C
12W/°C
30W/1000m or 5°C/1000m
18W/-5kPa or 3°C/-5kPa
Between +45°C and +60°C (113°F to 140°F)
Between +60°C and +70°C (140°F to 158°F)
For altitudes >2000m (6560ft), see Fig. 17-2
For atmospheric pressures <80kPa, see Fig. 17-2
The de-rating is not hardware controlled. The customer has to take care by himself to
stay below the de-rated current limits in order not to overload the unit.
Humidity
5 to 95% r.h.
According to IEC 60068-2-30
Do not energize while condensation is present.
Atmospheric pressure
Altitude
110-47kPa
See Fig. 17-2 for details
See Fig. 17-2 for details
Up to 6000m (20 000ft)
III
Over-voltage category
According to IEC 60664-1 for altitudes up to
2000m
II
According to IEC 60664-1 for altitudes from
2000 to 6000m and atmospheric pressures
from 80 to 47kPa
Degree of pollution
Vibration sinusoidal
2
According to IEC 62477-1, not conductive
According to IEC 60068-2-6
2-17.8Hz: 1.6mm; 17.8-500Hz: 2g
2 hours / axis
Shock
30g 6ms, 20g 11ms
According to IEC 60068-2-27
3 bumps / direction, 18 bumps in total
Shock and vibration is tested in combination with DIN-Rails according to EN 60715 with a
height of 15mm and a thickness of 1.3mm and standard orientation.
LABS compatibility
Corrosive gases
Audible noise
As a rule, only non-silicon precipitating materials are used. The unit conforms to the
LABS criteria and is suitable for use in paint shops.
Tested according to ISA-71.04-1985, Severity Level G3 and IEC 60068-2-60 Test Ke
Method 4 for a service life of minimum 10years in these environments.
Some audible noise may be emitted from the power supply during no load, overload or
short circuit.
Fig. 17-1 Output current vs. ambient temp.
Fig. 17-2 Output current vs. altitude
Allowed Output Current at 24V
Allowed Output Current at 24V
24A
D
24A
B
A
C
B
A
20A
16A
12A
20A
16A
12A
A... Tamb
B... Tamb
< 60°C
< 50°C
8A
4A
A...90 to 264Vac, continuous
B... short term
8A
4A
0
C... Tam
b < 45°C
D...
Short term
Altitude 0m
2000m 4000m
80kPa 62kPa
6000m
47kPa
-25
0
20
40
60 70°C
AP*) 110kPa
Ambient Temperature
*) Atmospheric pressure
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
20/32
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P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
18. SAFETY AND PROTECTION FEATURES
Isolation resistance
Min.
Min.
Min.
Min.
Max.
500MOhm
500MOhm
500MOhm
500MOhm
0.1Ohm
At delivered condition between input and output,
measured with 500Vdc
At delivered condition between input and PE,
measured with 500Vdc
At delivered condition between output and PE,
measured with 500Vdc
At delivered condition between output and DC-OK
contacts, measured with 500Vdc
PE resistance
Resistance between PE terminal and the housing in
the area of the DIN-rail mounting bracket.
Output over-voltage protection
Typ.
Max.
30.5Vdc
32Vdc
In case of an internal defect, a redundant circuit limits the maximum
output voltage. The output shuts down and automatically attempts to
restart.
Class of protection
I
According to IEC 61140
A PE (Protective Earth) connection is required
Degree of protection
IP 20
According to EN/IEC 60529
Over-temperature protection
Included
Output shut-down with automatic restart.
Temperature sensors are installed on critical
components inside the unit and turn the unit off in
safety critical situations, which can happen e.g.
when ambient temperature is too high, ventilation
is obstructed or the de-rating requirements are not
followed. There is no correlation between the
operating temperature and turn-off temperature
since this is dependent on input voltage, load and
installation methods.
Input transient protection
Internal input fuse
MOV (Metal
Oxide Varistor)
For protection values see chapter 16 (EMC).
Included
Not user replaceable slow-blow high-braking
capacity fuse
Touch current (leakage current)
Typ.
Typ.
Typ.
Max.
Max.
Max.
Max.
0.12mA / 0.31mA
0.18mA / 0.45mA
0.30mA / 0.76mA
0.16mA / 0.38mA
0.23mA / 0.55mA
0.39mA / 0.94mA
5mm in diameter
At 100Vac, 50Hz, TN-,TT-mains / IT-mains
At 120Vac, 60Hz, TN-,TT-mains / IT-mains
At 230Vac, 50Hz, TN-,TT-mains / IT-mains
At 110Vac, 50Hz, TN-,TT-mains / IT-mains
At 132Vac, 60Hz, TN-,TT-mains / IT-mains
At 264Vac, 50Hz, TN-,TT-mains / IT-mains
E.g. screws, small parts
Penetration protection
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
21/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
19. DIELECTRIC STRENGTH
The output voltage is floating and has no ohmic connection to the ground. Type and routine tests are conducted by
the manufacturer. Field tests may be conducted in the field using the appropriate test equipment which applies the
voltage with a slow ramp (2s up and 2s down). Connect all input-terminals together as well as all output poles before
conducting the test. When testing, set the cut-off current settings to the value in the table below.
Fig. 19-1 Dielectric strength
A
B
C
D
Type test
60s
5s
2500Vac 3000Vac 1000Vac
500Vac
500Vac
500Vac
Routine test
Field test
2500Vac 2500Vac
2000Vac 2000Vac
500Vac
500Vac
Input
DC-ok
B *)
L
5s
N
Cut-off current setting
for field test
> 10mA
> 10mA
> 20mA
> 1mA
A
D
We recommend that either the + pole, the – pole or any other part
of the output circuit shall be connected to the protective earth
system. This helps to avoid situations in which a load starts
unexpectedly or can not be switched off when unnoticed earth
faults occur.
Output
Earth, PE
C
+
-
B*) When testing input to DC-OK ensure that the maximal voltage between DC-OK and the output is not exceeded (column D). We
recommend connecting DC-OK pins and the output pins together when performing the test.
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
22/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
20. APPROVALS
EC Declaration of Conformity
The CE mark indicates conformance with the
- EMC directive,
- Low-voltage directive and the
- ATEX directive
IEC 60950-1
CB Scheme,
Information Technology Equipment
2nd Edition
(except for CP20.242)
UL 508
(except for CP20.242)
Listed for use as Industrial Control Equipment;
U.S.A. (UL 508) and Canada (C22.2 No. 107-1-01);
E-File: E198865
IND. CONT. EQ.
UL 60950-1
Recognized for use as Information Technology Equipment,
Level 5; U.S.A. (UL 60950-1) and Canada (C22.2 No. 60950-1);
E-File: E137006
2nd Edition
(except for CP20.242)
Applicable for altitudes up to 2000m.
ANSI / ISA 12.12.01
Class I Div 2
Hazardous Location Class I Div 2 T4 Groups A,B,C,D systems;
U.S.A. (ANSI / ISA 12.12.01) and Canada (C22.2 No. 213)
pending
EN 60079-0, EN 60079-7
ATEX
Approval for use in hazardous locations Zone 2 Category 3G.
Number of ATEX certificate: EPS 17 ATEX 1 089 X
(except for CP20.242)
II 3G Ex ec nC II T4 Gc
IEC 60079-0, IEC 60079-7
(except for CP20.242)
Suitable for use in Class 1 Zone 2 Groups IIa, IIb and IIc
locations.
Number of IECEx certificate: EPS 17.0046X
IECEx
EAC TR Registration
(except for CP20.241-V1 and
CP20.242)
Registration for the Eurasian Customs Union market
(Russia, Kazakhstan, Belarus)
21. OTHER FULFILLED STANDARDS
RoHS Directive
Directive 2011/65/EU of the European Parliament and the
Council of June 8th, 2011 on the restriction of the use of
certain hazardous substances in electrical and electronic
equipment.
REACH Directive
Directive 1907/2006/EU of the European Parliament and the
Council of June 1st, 2007 regarding the Registration,
Evaluation, Authorisation and Restriction of Chemicals
(REACH)
IEC/EN 61558-2-16
(Annex BB)
Safety Isolating
Transformer
Safety Isolating Transformers corresponding to Part 2-6 of the
IEC/EN 61558
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
23/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
22. PHYSICAL DIMENSIONS AND WEIGHT
Width
Height
Depth
48mm 1.89’’
124mm 4.88’’
127mm 5.0’’
The DIN-rail height must be added to the unit depth to calculate the total required
installation depth.
Weight
830g / 1.83lb
DIN-Rail
Use 35mm DIN-rails according to EN 60715 or EN 50022 with a height of 7.5 or 15mm.
Housing material
Body: Aluminium alloy
Cover: zinc-plated steel
Installation clearances
See chapter 2
Fig. 22-1 Front view
CP20.241-S1 CP20.241-S2
Fig. 22-2 Side view
CP20.241
CP10.241-C1
CP10.242
CP20.241-V1
All Dimensions in mm
All Dimensions in mm
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
24/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
23. ACCESSORIES
23.1. UF20.241 BUFFER MODULE
This buffer unit is a supplementary device for DC 24V power supplies. It delivers power
to bridge typical mains failures or extends the
hold-up time after turn-off of the AC power. In
times when the power supply provides
sufficient voltages, the buffer unit stores
energy in integrated electrolytic capacitors. In
case of mains voltage fault, this energy is
Power
Supply
Buffer
Unit(s)
Load
AC
DC
+
-
released again in a regulated process. One buffer module can deliver 20A additional
current.
The buffer unit does not require any control wiring. It can be added in parallel to the
load circuit at any given point. Buffer units can be added in parallel to increase the
output ampacity or the hold-up time.
23.2. YR40.241/242 - REDUNDANCY MODULES
The YR40.241 and YR40.242 redundancy modules are equipped with two input channels
(each 20A), which are individually decoupled by utilizing MOSFET technology. The output
current can be as high as 40A. Using MOSFETs instead of diodes reduces the heat
generation and the voltage drop between input and output. The modules do not require
an additional auxiliary voltage and are self-powered even in case of a short circuit across
the output.
Due to the low power losses, the units are very slender and only require 36mm width on
the DIN-rail.
The YR40.241 can be used in combination with any power supply while the YR40.242 is
optimized for use in combination with power supplies featured with the HiccupPLUS
overload behavior. The terminal arrangement of the YR40.242 is reversed to the YR40.241.
Further information and wiring configurations can be found in chapter 24.5.
23.3. YR40.245 - REDUNDANCY MODULES
The YR40.245 is a 40A single channel redundancy module, which is equipped with a plug
connector on the output. The plug connector allows replacing the power supply or the
redundancy module while the system is running. The plug connector avoids that the
output wires can touch and short the load circuit.
The YR40.245 is very slender and only requires 46mm width on the DIN-rail. It also utilizes
MOSFET technology instead of diodes for low heat generation and a minimal voltage drop
between input and output. It does not require an additional auxiliary voltage and is self-
powered even in case of a short circuit across the output.
Further information and wiring configurations can be found in chapter 24.5.
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
25/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
23.4. ZM5.WALL – WALL/PANEL MOUNT BRACKET
This bracket is used to mount the devices on a wall/panel without utilizing a DIN-Rail. It is suitable for
CP20.241, CP20.241-C1, CP20.241-V1, CP20.241-S1 and CP20.241-S2.
The bracket can be mounted without detaching the DIN-rail brackets.
Fig. 23-1 Isometric view
(Picture shows the CP20.241)
Fig. 23-2 Isometric view-
(Picture shows the CP20.241)
Fig. 23-3 Isometric view
(Picture shows the CP20.241)
Fig. 23-4 Wall/panel mounting,
front view
(Picture shows the CP20.241)
Fig. 23-5 Hole pattern for wall
mounting
Fig. 23-6 Wall/panel mounting,
side view
(Picture shows the CP20.241)
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
26/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
24. APPLICATION NOTES
24.1. PEAK CURRENT CAPABILITY
The unit can deliver peak currents (up to several milliseconds) which are higher than the specified short term currents.
This helps to start current demanding loads. Solenoids, contactors and pneumatic modules often have a steady state
coil and a pick-up coil. The inrush current demand of the pick-up coil is several times higher than the steady-state
current and usually exceeds the nominal output current (including the PowerBoost). The same situation applies when
starting a capacitive load.
The peak current capability also ensures the safe operation of subsequent circuit breakers of load circuits. The load
branches are often individually protected with circuit breakers or fuses. In case of a short or an overload in one branch
circuit, the fuse or circuit breaker need a certain amount of over-current to open in a timely manner. This avoids
voltage loss in adjacent circuits.
The extra current (peak current) is supplied by the power converter and the built-in large sized output capacitors of
the power supply. The capacitors get discharged during such an event, which causes a voltage dip on the output. The
following three examples show typical voltage dips for resistive loads:
Fig. 24-1 40A peak current for 50ms, typ.
Fig. 24-2 100A peak current for 5ms, typ.
(2x the nominal current)
(5x the nominal current)
Output
Voltage
24V
Output
Voltage
24V
17V
100A
16V
Output
Current
40A
Output
Current
0A
0A
1ms/DIV
10ms/DIV
Fig. 24-3 60A peak current for 12ms, typ.
(3x the nominal current)
24V
20V
60A
Output Voltage
12ms
Output Current
0A
Please note: The DC-OK relay might trigger when the
voltage dips more than 10% for longer than 1ms.
Peak current voltage dips
Typ.
Typ.
Typ.
from 24V to 16V
from 24V to 21V
from 24V to 17V
At 40A for 50ms, resistive load
At 100A for 2ms, resistive load
At 100A for 5ms, resistive load
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
27/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
24.2. OUTPUT CIRCUIT BREAKERS
Standard miniature circuit breakers (MCB’s or UL 1077 circuit breakers) are commonly used for AC-supply systems and
may also be used on 24V branches.
MCB’s are designed to protect wires and circuits. If the ampere value and the characteristics of the MCB are adapted to
the wire size that is used, the wiring is considered as thermally safe regardless of whether the MCB opens or not.
To avoid voltage dips and under-voltage situations in adjacent 24V branches which are supplied by the same source, a
fast (magnetic) tripping of the MCB is desired. A quick shutdown within 10ms is necessary corresponding roughly to
the ride-through time of PLC's. This requires power supplies with high current reserves and large output capacitors.
Furthermore, the impedance of the faulty branch must be sufficiently small in order for the current to actually flow.
The best current reserve in the power supply does not help if Ohm’s law does not permit current flow. The following
table has typical test results showing which B- and C-Characteristic MCBs magnetically trip depending on the wire cross
section and wire length.
Maximal wire length*) for a fast (magnetic) tripping:
Fig. 24-4 Test circuit
0.75mm²
31 m
28 m
18 m
9 m
1.0mm²
37 m
34 m
25 m
11 m
7 m
1.5mm²
63 m
51 m
38 m
18 m
12 m
11 m
4 m
2.5mm²
98 m
78 m
58 m
26 m
14 m
13 m
7 m
C-2A
C-3A
C-4A
C-6A
C-8A
C-10A
C-13A
MCB
Power Supply
Load
6 m
+
+
AC
4 m
6 m
Wire length
2 m
2 m
S1
-
-
DC
B-6A
23 m
11 m
7 m
28 m
14 m
11 m
6 m
46 m
19 m
16 m
8 m
66 m
32 m
29 m
15 m
4 m
S1... Fault simulation switch
B-10A
B-13A
B-16A
B-20A
B-25A
5 m
1 m
1 m
2 m
1 m
*) Don’t forget to consider twice the distance to the load (or cable length) when calculating the total wire length (+ and – wire).
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
28/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
24.3. SERIES OPERATION
Unit A
Power supplies of the same type can be connected in series for higher
output voltages. It is possible to connect as many units in series as needed,
providing the sum of the output voltage does not exceed 150Vdc. Voltages
with a potential above 60Vdc are not SELV any more and can be dangerous.
Such voltages must be installed with a protection against touching.
Input
+
-
Output
+
Load
Unit B
Input
Avoid return voltage (e.g. from a decelerating motor or battery) which is
applied to the output terminals.
+
-
-
Keep an installation clearance of 15mm (left / right) between two power
supplies and avoid installing the power supplies on top of each other. Do
not use power supplies in series in mounting orientations other than the
standard mounting orientation (input terminals on bottom of the unit).
Output
Pay attention that leakage current, EMI, inrush current, harmonics will increase when using multiple power supplies.
24.4. PARALLEL USE TO INCREASE OUTPUT POWER
Power supplies can be paralleled to increase the output power. The output
voltage of all power supplies shall be adjusted to the same value ( 100mV) in
“Single use” mode with the same load conditions on all units, or the units can
Unit A
Input
+
-
be left with the factory settings. After the adjustments, set the unit to “Parallel
use” mode, in order to achieve load sharing. The “Parallel use” mode regulates
the output voltage in such a manner that the voltage at no load is approx. 4%
higher than at nominal load. See also chapter 6.
Output
+
Load
Unit B
Input
If more than three units are connected in parallel, a fuse or circuit breaker
with a rating of 30A or 32A is required on each output. Alternatively, a diode
or redundancy module can also be utilized.
Energize all units at the same time to avoid the overload HiccupPLUS mode. It
+
-
-
Output
also might be necessary to cycle the input power (turn-off for at least five seconds), if the output was in HiccupPLUS
mode due to overload or short circuits and the required output current is higher than the current of one unit.
Keep an installation clearance of 15mm (left / right) between two power supplies and avoid installing the power
supplies on top of each other. Do not use power supplies in parallel in mounting orientations other than the standard
mounting orientation (input terminals on bottom of the unit) or in any other condition where a derating of the
output current is required (e.g. altitude, above 60°C, …).
Pay attention that leakage current, EMI, inrush current, harmonics will increase when using multiple power supplies.
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
29/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
24.5. PARALLEL USE FOR REDUNDANCY
Please note that there are variants with built-in redundancy are available in the CP20 series. Check CP20.241-Rx units.
1+1 Redundancy:
Power supplies can be paralleled for redundancy to gain higher system availability. Redundant systems require a
certain amount of extra power to support the load in case one power supply unit fails. The simplest way is to put two
power supplies in parallel. This is called a 1+1 redundancy. In case one power supply unit fails, the other one is
automatically able to support the load current without any interruption. It is essential to use a redundancy module to
decouple power supplies from each other. This prevents that the defective unit becomes a load for the other power
supplies and the output voltage cannot be maintained any more.
Recommendations for building redundant power systems:
- Use separate input fuses for each power supply.
- Use separate mains systems for each power supply whenever it is possible.
- Monitor the individual power supply units. Therefore, use the DC-OK signal of the power supply.
- It is desirable to set the output voltages of all units to the same value ( 100mV) or leave it at the factory setting.
- Set the power supply into “Parallel use” mode.
Pay attention that leakage current, EMI, inrush current, harmonics will increase when using multiple power supplies.
N+1 Redundancy:
Redundant systems for a higher power demand are usually built in a N+1 method. E.g. four power supplies, each rated
for 20A are paralleled to build a 60A redundant system.
Pay attention that leakage current, EMI, inrush current, harmonics will increase when using multiple power supplies.
Keep an installation clearance of 15mm (left / right) between two power supplies and avoid installing the power
supplies on top of each other.
Do not use power supplies in parallel in mounting orientations other than the standard mounting orientation or in
any other condition, where a de-rating of the output current is required.
Wiring examples for 1+1 and n+1 redundancy:
Fig. 24-6 N+1 Redundant configuration for 60A load current with multiple power
Fig. 24-5 1+1 Redundant configuration for 20A
load current with a dual redundancy module
supplies and redundancy modules
Failure
Failure
Monitor
Monitor
+
+
+
Input
1
+
Input
+
+
+
+
+
Input
1
+
Input
+
+
+
+
+
Input
1
+
Input
+ +
- -
- -
-
-
- -
- -
-
-
- -
- -
-
-
Output
24V,20A
Output
24V,20A
Output
24V,20A
Output
24V,20A
Output
24V,20A
Output
24V,20A
2
2
2
o
o
o
o
o
o
o
o
o
o
o
o
DC-
OK
DC-
OK
DC-
OK
DC-
OK
DC-
OK
DC-
OK
YR40.241
Redundancy
Module
YR40.241
Redundancy
Module
YR40.241
Redundancy
Module
Power
Supply
Power
Supply
Power
Supply
Power
Supply
Power
Supply
Power
Supply
Output
Output
Output
Input
Input
Input
Input
Input
Input
+
+
+
L
N
PE
-
L
N
PE
L
N PE
-
L
N PE
L
N PE
-
L N PE
20A
60A
Load
Load
I
I
I
I
I
I
L
N
L
N
PE
PE
Alternatively, the YR40.242 redundancy module can be Alternatively, the YR40.242 redundancy module can be used but has the input and output
used but has the input and output terminals reversed.
terminals reversed.
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
30/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
24.6. CHARGING OF BATTERIES
The power supply can be used to charge lead-acid or maintenance free batteries. Two 12V SLA or VRLA batteries are
needed in series connection.
Instructions for charging batteries:
a) Set output voltage (measured at no load and at the battery end of the cable) very precisely to the end-of-charge
voltage.
End-of-charge voltage
Battery temperature
27.8V
10°C
27.5V
20°C
27.15V
30°C
26.8V
40°C
b) Use a 30A or 32A circuit breaker (or blocking diode) between the power supply and the battery.
c) Ensure that the output current of the power supply is below the allowed charging current of the battery.
d) Ensure that the ambient temperature of the power supply stays below 40°C.
e) Use only matched batteries when putting 12V types in series.
f)
The return current to the power supply (battery discharge current) is typ. 3.5mA when the power supply is
switched off (except in case a blocking diode is utilized).
24.7. OPERATION ON TWO PHASES
Power Supply
AC
L1
L2
The power supply can also be used on two-phases of a three-phase-
system. Such a phase-to-phase connection is allowed as long as the
supplying voltage is below 240V+10%
.
L
N
L3
PE
DC
24.8. USE IN A TIGHTLY SEALED ENCLOSURE
When the power supply is installed in a tightly sealed enclosure, the temperature inside the enclosure will be higher
than outside. In such situations, the inside temperature defines the ambient temperature for the power supply.
The following measurement results can be used as a reference to estimate the temperature rise inside the enclosure.
The power supply is placed in the middle of the box, no other heat producing items are inside the box
Enclosure:
Load:
Input:
Rittal Typ IP66 Box PK 9519 100, plastic, 180x180x165mm
24V, 16A; (=80%) load is placed outside the box
230Vac
Temperature inside enclosure:
51.7°C (in the middle of the right side of the power supply with a distance of 2cm)
Temperature outside enclosure: 25.9°C
Temperature rise: 25.8K
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
31/32
www.pulspower.com Phone +49 89 9278 0 Germany
P R E L I M I N A R Y
CP20.241, CP20.241-C1, CP20.241-S1,
CP20.241-S2, CP20.241-V1, CP20.242
24V, 20A, 480W, SINGLE PHASE
CP-Series
24.9. MOUNTING ORIENTATIONS
Mounting orientations other than all terminals on the bottom require a reduction in continuous output power or a
limitation in the maximum allowed ambient temperature. The amount of reduction influences the lifetime expectancy
of the power supply. Therefore, two different derating curves for continuous operation can be found below:
Curve A1
Curve A2
Recommended output current.
Max allowed output current (results in approximately half the lifetime expectancy of A1).
Fig. 24-7
Output Current
Mounting
Orientation A
(Standard
24A
18
12
6
OUTPUT
A1
orientation)
Power
Supply
Ambient Temperature
20 30 40 50
INPUT
0
10
60°C
60°C
60°C
60°C
60°C
Fig. 24-8
Mounting
Orientation B
(Upside down)
Output Current
T
P U I N
24A
A1
A2
18
12
6
S u p p l y
P o w e r
O U T P U T
Ambient Temperature
20 30 40 50
0
10
Fig. 24-9
Output Current
Mounting
Orientation C
(Table-top
mounting)
24A
A1
A2
18
12
6
Ambient Temperature
20 30 40 50
0
10
Fig. 24-10
Mounting
Orientation D
(Horizontal cw)
Output Current
24A
18
12
6
A1
A2
Ambient Temperature
0
10
20
30
40
50
Fig. 24-11
Mounting
Orientation E
(Horizontal ccw)
Output Current
24A
18
12
6
A2
A1
Ambient Temperature
20 30 40 50
0
10
Jan. 2018 / Rev. 0.5 DS-CP20.241-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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