XRCM60-12 [BEL]
Ultra-wide input voltage range;
| 型号： | XRCM60-12 |
| 厂家： | 
BEL FUSE INC. |
| 描述： | Ultra-wide input voltage range |
| 文件： | 总16页 (文件大小：2244K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RCM60 Series
60 W DC-DC Converters
The RCM Series converters are Melcher branded power
supplies for railway and transportation applications.
The input voltage ranges cover all common battery
voltages from 12 to 110 V. The output delivers 60 W at
12, 15 or 24 V. The converters are designed for chassis
mounting in an enclosed housing.
Options available include - output ORing FET for
redundant operation, input fuse and output voltage
monitoring (solid state relay contact).
Features
• Ultra-wide input voltage range
• Single output voltage
• Overtemperature, overvoltage, overcurrent and short-circuit
protection
• 20 ms interruption time (EN50155 Class S3)
• Low inrush current
• Primary shutdown input
• Conformal coated PCB
• Extremely high efficiency and high power density
• Extremely wide ambient temperature range -40 to 70°C
• Dimensions 50 x 32 x 172 mm (1.97 x 1.26 x 6.77 in)
• Compliant to EN50155, EN50121-3-2, EN61373 and AREMA
• Fire & Smoke inspected according EN45545-2 and NFPA 130
• RoHS Compliant
• 5 year warranty
Safety approved to the latest edition of IEC62368-1 and
CSA/UL 62368-1
Table of Contents
Description........................................................................................1
Model Selection................................................................................2
Functional Description......................................................................3
Electrical Input Data .........................................................................4
Electrical Output Data.......................................................................6
Description of Options......................................................................9
Electromagnetic Compatibility (EMC).............................................10
Immunity to Environmental Conditions...........................................12
Mechanical Data.............................................................................13
Safety and Installation Instructions.................................................14
Accessories....................................................................................16
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RCM60 Series
60 W DC-DC Converters
Model Selection
Table 1: Standard models
Input voltage
Output
Power
Efficiency 2
ηmin ηtyp
Model
Options
1
1
Vi min
Vi min
Vi cont
Vi max
Vi max
Vo nom
Io nom
Po nom
[V]
[V]
[V]
[V]
[V]
[V]
[A]
[W]
[%]
12
15
24
12
15
24
5.0
4.0
2.5
5.0
4.0
2.5
60
60
60
60
60
60
87
87
87
87
87
87
88
88
88
88
88
88
12RCM60-12
12RCM60-15
12RCM60-24
XRCM60-12
XRCM60-15
XRCM60-24
7.2
8
36
40
D, Q, F, K
14.4
16.8
137.5
154
1
2
Short time; see table 2 for details
Efficiency at TA = 25 °C, Vi nom, Io nom
Part Number Description
12 RCM 60 -24 D Q F K
Operating input voltage Vi cont (continuously):
8– 36 VDC ................................................................12
16.8 –137.5 VDC ........................................................X
Series .............................................................................RCM
Output power:
60 W .......................................................................60
Nominal output voltage:
12 V ...........................................................................-12
15 V...........................................................................-15
24 V ...........................................................................-24
Auxiliary functions and options:
Output Voltage Monitor................................................. D
ORing FET....................................................................Q
Built-in Fuse ..................................................................F
Pluggable Connectors ................................................. K
Available combinations of options:
RCM60-xx (K)
Note: The sequence of options must follow the order above.
Note: All models are RoHS-compliant for all six substances.
RCM60-xxD (K)
RCM60-xxDF (K)
RCM60-xxDQ (K)
RCM60-xxDQF (K)
Example: XRCM60-24DQFK: DC-DC converter, input voltage range 16.8 to 137.5 V continuously, output providing 24 V / 2.5 A, monitoring
relay, shutdown input, interruption time 20 ms, integrated ORing FET, pluggable connectors, operating ambient temperature
TA= –40 to 70 °C, RoHS-compliant for all six substances.
Product Marking
Type designation, applicable safety approval and recognition marks, CE mark, pin allocation, and product logo.
Input voltage range and input current, nominal output voltage and current, degree of protection, batch no., serial no., and data code
including production site, version (modification status) and date of production.
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RCM60 Series
60 W DC-DC Converters
Functional Description
The converters are designed with two stage topology having a booster at input followed by an active clamp forward converter with
a switching frequency of approximately 140 kHz. The built-in high-efficient input filter together with an inrush limiter circuit ensures
very low inrush current of short duration. An antiparallel diode acts as reverse polarity protection together with the external circuit
breaker or fuse.
The circuitry providing the 20 ms ride through time is located after the input filter and booster stage.
The rectification on the secondary side is provided by rectifier diodes. The output voltage control logic is located on the secondary
side and influences the primary logic and PWM control circuit.
An output ORing FET is available (option Q) for use in a redundant power system architecture. If there are no external circuit
breakers, it is possible to order the converter with incorporated fuse (option F). Because this fuse is not accessible, a serial FET
provides reverse polarity protection (only with option F).
Option D encompasses an output voltage monitor by a solid state relay.
OK1
Secondary
Primary
control logic
SD
Vi+
control logic
Opt. D
OK2
Fuse
(option F)
NTC
Boost
conv.
&
Vo+
Vo–
2
Input
filter
Opt. Q
Output
filter
1
Holdup
Vi–
PE
Primary
BIAS
Secondary
BIAS
Cy
Cy
Cy
¹ Serial FET, only fitted with opt. F
² Bipolar suppressor diode with opt. F
Fig. 1
Block diagram
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RCM60 Series
60 W DC-DC Converters
Electrical Input Data
General conditions:
- TA = 25 °C, unless TC is specified.
Table 2: Input data of RCM60 models
Model
12RCM60
XRCM60
Unit
Characteristics
Conditions
min
typ
max
min
typ
max
Io = 0– Io nom
TC min – TC max
Vi cont Operating input voltage continuous
8
36
40
16.8
14.4
137.5
154
Vi 2s
for ≤ 100 ms
without shutdown
7.2
V
Vi nom Nominal input voltage
Vi abs Input voltage limits
12, (24)
(24), (36), (72), (96), 110
2 s without damage
Vi min, Io nom
0
45
10.5
6
0
160
5
Ii
Maximum input current
No-load input power
A
Pi 0
Vi min – Vi max, Io = 0
Vi min – Vi max, VSD = 0 V
6
W
Pi SD Idle input power
1.5
1.5
Ci
Input capacitance 1
520
40
µF
mΩ
A
Ri
Input resistance
100
30
100
15
Iinr p
tinr d
Peak inrush current
Duration of inrush current
Start-up time
Vi = Vi max, Po nom
0.5
0.5
0 → Vi min, Po nom
Vi min, Po nom
1000
1000
ms
ton
Start-up time after removal of shutdown
500
500
VSD = 0 → 5 V
1
Not smoothed by the inrush current limiter at start-up (for inrush current calculation)
Input Transient and Reverse Polarity Protection
A suppressor diode, varistor and a symmetrical input filter form an effective protection against input transients, which typically
occur in many installations, but especially in battery-driven mobile applications.
If the input voltage has the wrong polarity, the incorporated antiparallel diode causes the external input circuit breaker or fuse to
trip. With option F (incorporated fuse), an active reverse-polarity protection circuit prevents from any damage.
Input Under-/Overvoltage Lockout
If the input voltage is out of range, an internally generated inhibit signal disables the converter to avoid any damage.
Inrush Current and Stability with Long Supply Lines
The converter operates with relatively small input capacitance Ci resulting in low inrush current of short duration.
If a converter is connected to the power source through supply lines with reasonable length (<50 m), no additional measures are
necessary to ensure stable operation.
Only in the case of very long supply lines exhibiting a considerable inductance Lext, an additional external capacitor Cext connected
across the input pins improves the stability and prevents oscillations; see fig. 2.
Converter
Lext
Rext
Ri
Vi+
Vi–
Vo+
Vo–
+
ri
Cext
Ci
Fig. 2
Input configuration
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RCM60 Series
60 W DC-DC Converters
Efficiency
The efficiency depends on the model and on the input voltage.
90
88
86
84
82
80
78
76
74
72
70
90
85
80
75
8 Vdc
50%
12 Vdc
60%
24 Vdc
36 Vdc
16.8 Vdc
24 Vdc
110 Vdc
137.5 Vdc
70
65
10%
20%
30%
40%
70%
80%
90%
100%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Load
Load
Fig. 3a
Fig. 3b
Efficiency versus Vi and Po (12RCM60-24)
Efficiency versus Vi and Po (XRCM60-24DQF)
Primary Shutdown (SD)
The output of the converter may be enabled or disabled by a logic signal (e.g. CMOS) applied between the shutdown pin SD and
SD0 (= Vi–). If the shutdown function is not required, pin SD can be left open-circuit. Voltage on pin SD:
Converter operating:
Converter disabled:
12 to 154 V (XRCM), 8 to 40 V (12RCM) or open-circuit
–2 to +2 V
Note: In systems consisting of several converters, this feature may be used to control the activation sequence by logic signals or to enable the
power source to start up, before full load is applied.
tr
tf
Vo/Vo nom
1
td on
0.1
0
ton
toff
SD
1
t
0
Fig. 4a
Typical output response to the SD-signal.
Interruption Time
The interruption time thu is specified in the railway standard EN 50155:2017 clause 5.1.1.4: It is tested at the nominal battery
voltage for interruption and short-circuit of the input. After such an event, the system is ready for another such event after 10 s.
For XRCM60 thu = 20 ms (Class S3)
For 12RCM60 thu = 10 ms (Class S2) - Valid for 24 V input.
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RCM60 Series
60 W DC-DC Converters
Vo /Vo nom
tr
thu
1
td on
0.1
0
ton
Vi
t
0
Fig. 4b
Typical output response to Vi .
Electrical Output Data
General conditions:
- TA = 25 °C, unless TC is specified.
Table 3: Output data of RCM60 models.
Output
12 V
15 V
typ
15
24 V
typ
24
Unit
Characteristics
Conditions
min
typ max
min
max
min
max
Vo
Output voltage
Vi nom, 0.5 Io nom
11.88
12 12.12 14.75
12.36 14.55
15.15 23.76
15.45 23.28
24.24
V
Vi min – Vi max
Vow
Worst case output voltage
11.64
24.72
TC min – TC max, 0 - Io nom
Vo droop Output voltage droop
- 20
14
- 30
17.5
18.8
4
- 40
28
mV/A
V
Vo L
Vo P
Io nom
Io L
Overvoltage shutdown 5
Overvoltage protection 1
Nominal output current
Output current limit
Switching
14.3
5.5
15
5
15.8
6.5
17.8
4.4
19.8
5.2
28.5
2.75
30
31.5
3.25
2.5
A
TC min – TC max
50
50
80
Vi nom, Io nom
frequency
vo
Output noise 2
BW = 20 MHz
mVpp
Total incl. spikes
Voltage deviation
Recovery time
60
700
5
75
800
5
120
1000
5
4
vod
V
Dynamic load
regulation
i nom ,
3
0.1↔ 0.9 Io nom
td
ms
α vo
Temperature coefficient of vo (NTC) 0 - Io nom, TC min – TC max
- 0.02
0
- 0.02
0
- 0.02
0
%/K
1
Breakdown voltage of the incorporated suppressor diode at 1 mA. Exceeding this value might damage the suppressor diode.
Measured according to IEC/EN 61204 with a probe described in annex A
Recovery time until Vo returns to ±1% of Vo; see fig. 5.
No overshoot at switch on.
Output overvoltage protection by an electronic circuitry.
2
3
4
5
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RCM60 Series
60 W DC-DC Converters
Output Voltage Regulation
Line and load regulation of the output is so good that input voltage and output current have virtually no influence to the output voltage.
Vo
Vod
Vo ±1%
Vo ±1%
Vod
td
td
t
Io/Io nom
1
0.5
≥ 10 µs
≥ 10 µs
0
t
05102c
Fig. 5
Typical dynamic load regulation of output voltage
Thermal Considerations and Protection
A temperature protection is incorporated in the secondary control logic. It generates an internal protection, which enters output
voltage hiccup mode in case of overtemperature. The converter automatically recovers, when the temperature drops below the limit.
The relationship between TA and TC depends heavily upon the conditions of operation and integration into a system.
Caution: The installer must ensure that under all operating conditions TC remains within the limits stated in table 7.
Po [W]
Convection
cooling
XRCM60
60
40
TC max
20
0
TA [°C]
50
60
70
80
90
100
Fig. 6
Typical output power derating versus temperature; free convection cooling.
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RCM60 Series
60 W DC-DC Converters
Output Current Limitation
The output is continuously protected against open-circuit (no load), overload and short-circuit by an electronic current limitation
with rectangular characteristic; see fig. 7.
Vo
Vo nom
0.98
0.5
JM219
Io
Io nom
0
IoL
0.5
1.0
Fig. 7
Rectangular current limitation
Series and Parallel Connection
The outputs of several RCM Series converters may be connected in series.
Note: If the sum of the output voltages is greater than 60 V, it cannot be considered as ES1 (Safety Extra Low Voltage) according to the safety
standard IEC/UL 62368-1.
Several RCM models of the same type can be operated in parallel connection. To ensures proper current sharing, the load lines
should have equal length and section. The output voltage exhibits a slight droop characteristic, which facilitates current sharing.
In addition, the output voltage tends to be lowered with increasing temperature.
Redundant Systems
For redundant systems, we recommend the options Q and D, see Options.
LED Indicator
The converters exhibit a green LED “Out OK”, signalling that the output voltage is within the specified range.
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RCM60 Series
60 W DC-DC Converters
Description of Options
General conditions:
- TA = 25 °C, unless TC is specified.
Option D: Output Voltage Monitor
Option D encompasses an output voltage monitor by a solid state relay. When Vo is in range, a solid state relay is activated
(connecting OK1 with OK2). Max. data of relay contacts: 0.2 A /120 VDC
Note: The trigger levels are typ. ±5 % of Vo.
Option Q: ORing FET for Redundant Systems
The outputs of 2 parallel connected converters are separated with ORing diodes (built by FETs). If one converter fails, the
remaining one must be capable to still deliver the full power to the load. If more power is needed, the system may be extended to
more parallel converters (n+1 redundancy).
Current sharing must be ensured by load lines of equal section and length. In addition, a slight droop characteristic of the output
voltage and a negative temperature coefficient improve the load sharing as well.
To keep the losses as small as possible, the ORing diode is replaced by a FET. The voltage drop is approx. 22 mV (not dependent of Io).
Note: In the case of a failing converter, the output voltage is maintained by the redundant converters. However, the failing item should be
identified and replaced. We recommend the Out OK function (option D).
Option F: Incorporated Fuse
The railway standard EN 50155 disadvises fuses in the converters. Consequently, the installer must preview an external fuse or
circuit breaker. However, when this is not possible, an incorporated fuse is available (option F). This fuse is not accessible and will
not trip, except if the converter is defect.
Note: Converters with option F are protected against input reverse polarity by a series FET.
Table 4: Recommended external fuses (same as incorporated with option F)
Converter
12RCM60
XRCM60
Specification
15 A fast acting
8 A fast acting
Option K: Pluggable Connectors
This option allows the use of pre-assembled pluggable connectors; for details see Accessories.
Note: Female connectors must be ordered separately.
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RCM60 Series
60 W DC-DC Converters
Electromagnetic Compatibility (EMC)
Electromagnetic Immunity
Table 5: Electromagnetic immunity (type tests). Corresponds or Exceeds EN50121-3-2:2016 and AREMA
Phenomenon
Standard Level Coupling mode 1 Value
applied
Waveform
Source Test procedure
imped.
In
Perf.
oper. crit.2
Electrostatic
discharge (to case) 61000-4-2
IEC/EN
contact discharge 6000 Vp
10 pos. & 10
neg. discharges
330 Ω
150 pF
4
x
1/50 ns
yes
yes
A
A
air discharge
antenna
8000 Vp
20 V/m
20 V/m
20 V/m
5 V/m
Electromagnetic
field
IEC/EN
61000-4-3
AM 80% / 1 kHz
N/A
80 – 800 MHz
800 – 1000 MHz
1400 – 2000 MHz
2000 – 2700 MHz
5100 – 6000 MHz
antenna
AM 80% / 1 kHz
N/A
yes
A
3 V/m
Electrical fast
transients/burst
IEC/EN
61000-4-4
capacitive, o/c
60 s positive
60 s negative
transients per
coupling mode
3
3
burstsof 5/50ns;
2.5/5 kHz over 15 ms;
burst period: 300 ms
±2000 Vp
50 Ω
yes
yes
A
A
i/c, +i/–i
direct coupling
Surges
Surges
IEC/EN
61000-4-5
±2000 Vp
±1000 Vp
i/c
5 pos. & 5 neg.
surges per
coupling mode
42 Ω
0.5 μF
3
1.2 / 50 µs
+i/–i
Arema
11.5.2
12 Ω
9 μF
5 pos. & 5 neg.
surges per
coupling mode
i/c, +i/–i
±2000 Vp
1.2 / 50 µs
yes
yes
B
A
2 Ω
18 μF 3
Conducted
disturbances
IEC/EN
61000-4-6
10 VAC
(140 dBµV)
0.15 – 80 MHz
3
i, o, signal wires
AM 80% / 1 kHz
150 Ω
1
i = input, o = output, c = case
2
3
A = normal operation, no deviation from specs.; B = normal operation, temporary loss of function or deviation from specs possible
Test is applicable for 12RCM models, only.
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RCM60 Series
60 W DC-DC Converters
Electromagnetic Emissions
All conducted emissions (fig. 8) have been tested as per EN 55011, group 1, class A. These limits are much stronger than
requested in EN 50121-3-2:2016, table 2.1, and coincide with EN 50121-4:2016, table 1.1. The values in fig. 8 are quasipeak values,
which are always lower then peak values.
The average values must respect a margin of 10 dBµV below the limits for quasipeak.
Radiated emissions have been tested according to EN 55011, group 1, class A. These limits are similar to the requirements of
EN 50121-3-2:2016 and EN 50121-4:2016, both calling up EN 61000-6-4+A1:2011, table 1. The tests were executed with horizontal
and vertical polarization. The worse result is shown in Fig. 9.
Note: The highest frequency of the internal sources of EUT is less than 108 MHz. Hence, Radiated Measurement was made up to 1 GHz.
Non-accredited measurement up to 6 GHz are available on request.
Fig. 8a
Fig. 8b
XRCM60-24: Typ. disturbance voltage at the input
(Vi = 16.8 V, Ii nom, resistive load, quasi peak and average)
XRCM60-24: Typ. disturbance voltage at the input
(Vi = 137.5 V, Ii nom, resistive load, quasi peak and average)
60
60
50
50
QP LIMIT EN 61000-6-4
QP LIMIT EN 61000-6-4
40
40
< 30 dB (uV/m)
< 30 dB (uV/m)
30
30
20
10
0
20
10
0
Fig. 9a
Fig. 9b
XRCM60-24: Typ. radiated disturbances in 10 m
distance (Vi = 16.8 V, Ii nom, resistive load, quasi peak).
XRCM60-24: Typ. radiated disturbances in 10 m
distance (Vi = 137.5 V, Ii nom, resistive load, quasi peak).
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RCM60 Series
60 W DC-DC Converters
Immunity to Environmental Conditions
Table 6: Mechanical and climatic stress. Air pressure 700 – 1200 hPa
Test method
Standard
Test Conditions
Temperature, duration:
Performance test:
Temperature:
Status
Ad
Low temperature
EN 50155:2017, clause 13.4.4
IEC/EN 60068-2-1
- 40°C, 2 h
+25°C
70 °C
Operating
perf. crit. A
start-up test
Be
Dry heat test,
cycle A
EN 50155:2017, clause 13.4.5
IEC/EN 60068-2-2
Operating
perf. crit. A
Duration:
6 h
Db 2 Cyclic damp heat
test
EN 50155:2017, clause 13.4.7
IEC/EN 60068-2-30
Temperature:
55°C and 25°C
2
Cycles (respiration effect):
Duration:
Not operating
2x 24 h
35 ±2 °C
48 h
Ka
-
Salt mist test
sodium chloride
(NaCl) solution
EN 50155:2017, clause 13.4.10
IEC/EN 60068-2-11
Temperature:
Converter not
operating
Duration:
Functional random EN 50155:2017 clause 13.4.11.4
Acceleration amplitude:
Frequency band:
0.1 gn = 1.01 m/s2
5 – 150 Hz
Operating
perf. crit. A
vibration test
EN 61373:2010 clause 8,
class B, body mounted 1
Test duration:
30 min (10 min in each axis)
0.58 gn = 5.72 m/s2
5 – 150 Hz
-
-
-
Simulated long life
testing
EN 50155:2017 clause 13.4.11.2
EN 61373:2010 clause 9,
class B, body mounted 1
Acceleration amplitude:
Frequency band:
Not operating
Test duration:
15 h (5 h in each axis)
5.1 gn
Shock test
EN 50155:2017 clause 13.4.11.3
EN 61373:2010 clause 10,
class B, body mounted 1
Acceleration amplitude:
Bump duration:
Operating
perf. crit. A
30 ms
Number of bumps:
Displacement amplitude:
18 (3 in each direction)
Vibration
AREMA Part. 11.5.1
class C, D, E, I, J
0.3” (5 – 10 Hz)
0.07” (5 – 20 Hz)
sinusoidal
Operating
perf. crit. A
Acceleration amplitude:
Frequency:
1.5 gn = 14.7 m/s2 (10 – 200 Hz)
5 – 200 Hz
Test duration:
12 h (4 h in each axis)
10 gn = 98 m/s2
-
Mechanical shock
AREMA Part. 11.5.1
class C, D, E, I, J
Acceleration amplitude:
Bump duration:
Operating
perf. crit. A
11 ms
Number of bumps:
18 (3 in each direction)
1
Body mounted = chassis of a railway coach
Temperatures
Table 7: Temperature specifications, valid for an air pressure of 700 – 1200 hPa (700 – 1200 mbar)
Temperature
EN 50155:2017 Class OT4
Unit
Characteristics
Conditions
min
- 40
- 40
- 55
max
70
10 minutes
TA
TC
TS
Ambient temperature
Converter operating
85
° C
Case temperature1
90
Storage temperature
Not operational
85
1
Measured at the measurement point TC ; see Mechanical Data.
Reliability
Table 8: MTBF and device hours
Ratings at specified case temperature between failures
Model
MTBF
According to IEC 61709 / SN 29500
XRCM60-24DQF
1.24 million hours
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RCM60 Series
60 W DC-DC Converters
Mechanical Data
14.6
Wago 236-404
172
160
Output connector
Input connector
No Paint Zone
for ground screw
ø 10 mm
Ø
Tc measurement point
Vo+
Vo-
Vi+
Vi-
OK1
OK2
SD
37.05
Fig. 10
Case of RCM60 with standard cage clamp terminals, Aluminum, EP-powder coated
Weight approx. 350 g
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RCM60 Series
60 W DC-DC Converters
Safety and Installation Instruction
Connectors and Pin Allocation
RCM60 (standard version)
- Input connector:
4 pins: Wago 236-404: Vi+, Vi–, SD, PE
wire section: 0.08 – 2.5 mm2, 28 – 12 AWG
-
Output connector:
4 pins: Wago 236-404: Vo+, Vo–, OK1/n.c., OK2/n.c.
wire section: 0.08 – 2.5 mm2, 28 –12 AWG
Fig. 11
Pin allocation of RCM60 (standard version)
Table 9a: Input connector (standard version)
Table 9b: Output connector (standard version)
Pin no.
Pin description
Function
Pin no.
Pin description
Vo+
Function
1
2
3
Vi+
Vi-
Input positive
1
2
3
Output positive
Input negative
Primary shutdown
Protective earth PE
Vo-
Output negative
SD
OK1/n.c.
OK2/n.c.
Relay contact 1 / Not connected1
Relay contact 2 / Not connected1
4
4
1
Not connected if option D is not fitted
RCM60 (K option)
- Input connector:
4 pins: Phoenix 1923995: Vi+, Vi–, SD, PE
- Output connector:
5 pins: Phoenix 1827897: Vo+, Vo–; n.c., OK1/n.c., OK2/n.c.
Phoenix contact
Phoenix contact
1851261
1942280
3.7
1.3
Fig. 12a
Fig. 12b
Assembled input and output connector RCM60 (K option)
Pin allocation of RCM60 (K option)
Table 10a: Input connector (K option)
Table 10b: Output connector (K option)
Pin no.
Pin description
Function
Pin no.
Pin description
Vo+
Function
1
2
3
Vi+
Vi-
Input positive
1
Output positive
Input negative
Primary shutdown
Protective earth PE
2
Vo-
Output negative
SD
3
n.c.
Not connected
4
OK1/n.c.
OK2/n.c.
Relay contact 1 / Not connected1
Relay contact 2 / Not connected1
4
5
1
Not connected if option D is not fitted
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RCM60 Series
60 W DC-DC Converters
Installation Instruction
These converters are components, intended exclusively for inclusion by an industrial assembly process or by a professionally
competent person. Installation must strictly follow the national safety regulations in respect of the enclosure, mounting, creepage
distances, clearances, markings and segregation requirements of the end-use application.
Connection to the system is allowed only with cables having suitable wire section, (see section “Connectors and Pin Allocation”).
Other installation methods may not meet the safety requirements. Check that PE is safely connected to protective earth.
No fuse is incorporated in the converter (except for option F). An external circuit breaker or a fuse in the wiring to one or both
input pins.
Do not open the converters, or the warranty will be invalidated. Make sure that there is sufficient airflow available for convection
cooling and that the temperature of the bottom plate is within the specified range. This should be verified by measuring the case
temperature at the specified measuring point, when the converter is operated in the end-use application. TC max should not be
exceeded. Ensure that a failure of the converter does not result in a hazardous condition.
Standards and Approvals
The RCM Series converters are approved according to the last edition of IEC/EN 62368-1 and UL/CSA 62368-1. They have been
evaluated for:
•
•
•
•
•
•
Class I equipment
Building in
Reinforced insulation between input and output
Basic insulation between input and chassis, input and relay contacts (OK1, OK2) and output to relay contacts (OK1, OK2)
Pollution degree 2 environment
Altitude 3000 m
The converters are subject to manufacturing surveillance in accordance with the above mentioned safety standards and with ISO 9001:2015,
IRIS ISO/TS 22163:2017 certified quality and business management system.
Cleaning Liquids and Protection Degree
The converters are not hermetically sealed. In order to avoid possible damage, any penetration of liquids shall be avoided.
The converters correspond to protection degree IP 30.
Railway Applications
The RCM Series converters have been designed observing the railway standards EN 50155:2017, EN 50121-3-2:2016,
EN 50124-1:2017 and AREMA. All boards are coated with a protective lacquer.
The converters comply with the fire & smoke standard EN 45545:2016, HL1 to HL3.
Insulation Test
The electric strength test is performed in the factory as routine test in accordance with EN 62911, EN 50155:2017, and AREMA.
It should not be repeated in the field, and the Company will not honor warranty claims resulting from incorrectly executed electric
strength tests.
Table 11: Isolation
Characteristics
Input to
Output1
Input to Output to
OK contacts to
Case
Unit
Case
Case
Input
Outputs
Voltage withstand levels (tested acc. to IEC 62368-1)
4.2
2.2
1.5
2.2
2.2
2.2
kVDC
kVDC
Voltage withstand levels
(designed to meet AREMA and factory tested)
4.21
2.86
2.86
2.86
2.86
2.86
Insulation resistance2
>300
5.0
>300
2.5
>300
2.5
>300
2.5
>300
2.5
>300
2.5
MΩ
Creepage distances
mm
1
Pretest of subassemblies in accordance with IEC/EN 62368-1
Tested at 500 VDC
2
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© 2021 Bel Power Solutions & Protection
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RCM60 Series
60 W DC-DC Converters
Accessories
Female Connectors
For converters RCM60 with option K, use (see Fig.13):
• Input plug: Phoenix Contact P/N: 1942280 (HZZ00151-G)
Wire section: 0.2 – 2.5 mm2, 24 – 12 AWG
• Output plug: Phoenix Contact P/N: 1851261 (HZZ00152-G)
Wire section: 0.14 - 1.5mm2, 26 - 16 AWG
Fig. 13a
Fig.13b
Input plug for RCM60 with option K
Output plug for RCM60 with option K
DIN-Rail Mounting Bracket DMB
A suitable DIN-Rail mounting bracket HZZ00625-G is available; see Fig. 14.
Fig. 14
DIN-Rail mounting bracket for RCM series HZZ00625-G
NUCLEAR AND MEDICAL APPLICATIONS - These products are not designed or intended for use as critical components in life support systems,
equipment used in hazardous environments, or nuclear control systems.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the
date manufactured. Specifications are subject to change without notice.
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© 2021 Bel Power Solutions & Protection
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