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0903030 [PHOENIX]

Magnetic Circuit Breaker;
0903030
型号： 0903030
厂家： PHOENIX CONTACT    PHOENIX CONTACT
描述：

Magnetic Circuit Breaker

电路保护
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EC-E...  
Electronic miniature circuit-breaker  
CLIPLINE  
Data sheet  
103906_en_01  
© PHOENIX CONTACT - 09/2009  
The miniature circuit-breaker has a design width of 12.5 mm  
1
Description  
and can be snapped onto NS 35 DIN rails using a modular  
approach. It is equipped with screw connections.  
The EC-E... electronic miniature circuit-breaker selectively  
protects all 24 V DC load circuits on power supply units. A  
combination of active electronic current limitation for short  
circuits and an overload shutdown function from 1.1 x IN  
upwards ensures that the miniature circuit-breaker can  
react to overloads faster than the power supply unit. In this  
case, the residual current is constantly restricted to 1.3 -  
1.8 times the nominal current.  
This enables capacitive loads of up to 20,000 µF to be  
switched on; loads are shut down only in the event of an  
overload or short circuit.  
Once an overload or short circuit has been detected in the  
load circuit, the load output of the EC-E... is blocked. The  
current flow in the faulty circuit is interrupted. The EC-E...  
and, therefore, the current circuit can be activated again  
using the electronic reset input or manually on the device  
using the slide switch.  
1.1  
Properties  
–
Selective load protection, electronic shutdown  
characteristic curve  
–
Active current limitation when switching on capacitive  
loads of up to 20,000 µF and in the event of an  
overload/short circuit  
–
–
Nominal current can be selected in fixed current  
strengths from 0.5 A ... 12 A  
Safe overload shutdown from 1.1 x IN upwards, even  
with long load lines or small cable cross-sections  
–
–
Manual on/off switch (S1)  
Clear signaling by means of LED, SF status output, or F  
alarm output (signal contact), (can be combined)  
–
–
–
RE electronic reset input (option)  
Integrated fail-safe element, adapted to nominal current  
Straightforward wiring using LINE+ power rail and 0 V,  
as well as signal rails and signal bridges  
Wiring and signaling tasks can be implemented easily using  
power rails and plug-in bridges.  
A multi-color LED and the integrated status output display  
the operating and fault state.  
NOTE: Make sure that you adapt the cable cross-section of the relevant load circuit to the nominal current of the  
EC-E... being used.  
Take special precautions in the system or machine to eliminate the possibility of system parts restarting (in  
accordance with the Machinery Directive 2006/42/EC and EN 60204-1). In the event of a fault (short circuit/  
overload), the EC-E... shuts down the load circuit electronically.  
Make sure you always use the latest documentation.  
It can be downloaded at www.phoenixcontact.net/download.  
This data sheet is valid for all products listed on the following page:  
EC-E...  
2
Ordering data  
Electronic miniature circuit-breakers  
Description  
Type  
Order No.  
Pcs./Pkt.  
Nominal  
current  
Electronic miniature circuit-breaker with signal contact: 1 N/O contact 0.5 A  
Electronic miniature circuit-breaker with signal contact: 1 N/O contact 1 A  
Electronic miniature circuit-breaker with signal contact: 1 N/O contact 2 A  
Electronic miniature circuit-breaker with signal contact: 1 N/O contact 3 A  
Electronic miniature circuit-breaker with signal contact: 1 N/O contact 4 A  
Electronic miniature circuit-breaker with signal contact: 1 N/O contact 6 A  
Electronic miniature circuit-breaker with signal contact: 1 N/O contact 8 A  
Electronic miniature circuit-breaker with signal contact: 1 N/O contact 10 A  
Electronic miniature circuit-breaker with signal contact: 1 N/O contact 12 A  
Electronic miniature circuit-breaker with signal contact: 1 N/C contact 0.5 A  
Electronic miniature circuit-breaker with signal contact: 1 N/C contact 1 A  
Electronic miniature circuit-breaker with signal contact: 1 N/C contact 2 A  
Electronic miniature circuit-breaker with signal contact: 1 N/C contact 3 A  
Electronic miniature circuit-breaker with signal contact: 1 N/C contact 4 A  
Electronic miniature circuit-breaker with signal contact: 1 N/C contact 6 A  
Electronic miniature circuit-breaker with signal contact: 1 N/C contact 8 A  
Electronic miniature circuit-breaker with signal contact: 1 N/C contact 10 A  
Electronic miniature circuit-breaker with signal contact: 1 N/C contact 12 A  
Electronic miniature circuit-breaker with reset input and status output 0.5 A  
Electronic miniature circuit-breaker with reset input and status output 1 A  
Electronic miniature circuit-breaker with reset input and status output 2 A  
Electronic miniature circuit-breaker with reset input and status output 3 A  
Electronic miniature circuit-breaker with reset input and status output 4 A  
Electronic miniature circuit-breaker with reset input and status output 6 A  
Electronic miniature circuit-breaker with reset input and status output 8 A  
Electronic miniature circuit-breaker with reset input and status output 10 A  
Electronic miniature circuit-breaker with reset input and status output 12 A  
EC-E1 0.5 A  
EC-E1 1.0 A  
EC-E1 2.0 A  
EC-E1 3.0 A  
EC-E1 4.0 A  
EC-E1 6.0 A  
EC-E1 8.0 A  
EC-E1 10 A  
EC-E1 12 A  
EC-E4 0.5 A  
EC-E4 1.0 A  
EC-E4 2.0 A  
EC-E4 3.0 A  
EC-E4 4.0 A  
EC-E4 6.0 A  
EC-E4 8.0 A  
0903022  
0903023  
0903024  
0903025  
0903026  
0903028  
0903029  
0903030  
0903031  
0903040  
0903032  
0903033  
0903034  
0903035  
0903036  
0903037  
0903038  
0903039  
0903041  
0903042  
0903043  
0903044  
0903045  
0903046  
0903047  
0903048  
0903049  
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
EC-E4 10 A  
EC-E4 12 A  
EC-E 0.5 A 24 V DC  
EC-E 1.0 A 24 V DC  
EC-E 2.0 A 24 V DC  
EC-E 3.0 A 24 V DC  
EC-E 4.0 A 24 V DC  
EC-E 6.0 A 24 V DC  
EC-E 8.0 A 24 V DC  
EC-E 10 A 24 V DC  
EC-E 12 A 24 V DC  
Version  
Signal input  
Signal output  
F alarm output (signal contact)  
SF status output  
RE +24 V reset input  
Individual-signal N/O contact  
Individual-signal N/C contact  
(normally closed)  
SF +24 V status output = OK  
(normally open)  
EC-E1  
EC-E4  
EC-E  
–
–
x
x
–
–
–
x
–
–
–
x
Accessories  
Description  
Continuous plug-in bridge for LINE+ and 0 V, insulated with gray  
material, 500 mm long, can be cut to length  
Type  
Order No.  
0901028  
Pcs./Pkt.  
10  
Gray FBST 500 TMC-NGY  
Current carrying capacity with one supply: I  
(recommendation: central input)  
= 50 A,  
max  
Current carrying capacity with two supplies: I  
= 63 A  
max  
Continuous plug-in bridge for signal contacts and reset inputs,  
insulated with gray material, 500 mm long, can be cut to length  
Blue FBST 500-PLC-BU  
Red FBST 500-PLC-RD  
2966692  
2966789  
20  
20  
Current carrying capacity with one supply:  
With signal contacts connected in series: I  
Zack marker strip, flat, 10-section  
Screwdriver  
= 1 A  
= 0.5 A  
max  
max  
UC-TMF12  
SZS 0.6X3.5  
0819233  
1205053  
10  
10  
103906_en_01  
PHOENIX CONTACT  
2
EC-E...  
3
Technical data  
NOTE: Data apply where T = 25°C and U = 24 V DC.  
A
B
Operating data  
Nominal voltage U  
24 V DC (18 V DC ... 32 V DC)  
B
Nominal current I  
Depending on product version selected:  
N
Fixed current strengths: 0.5 A, 1 A, 2 A, 3 A, 4 A, 6 A, 8 A, 10 A, 12 A  
Closed-circuit current I  
When ON: Typically 20 mA ... 30 mA, depending on signal output  
0
Shutdown  
Shutdown times  
Typical behavior  
Refer to the time/current characteristic curve (see page 8)  
3 s where I  
> 1.1 x I  
load  
N
100 ms ... 3 s where I  
> 1.8 x I (or 1.5 x I /1.3 x I )  
N N N  
load  
EC-E4: Pin 11/12  
EC-E1: Pin 13/14  
EC-E: SF 23, RE 22  
Individual signaling (N/C contact)  
Individual signaling (N/O contact)  
RE reset input, SF status output  
Status indicators  
Operating state signaling  
–
–
–
–
Multi-color LED  
SF status output (option)  
Floating signal contact (F alarm output) (option)  
On/off setting for switch S1  
Multi-color LED  
Green = Device switched on (S1 = ON) or load circuit/Power MOSFET forced  
to trip  
Orange = Overload or short circuit leading to electronic shutdown  
Red = Device shut down electronically, load circuit/Power MOSFET switched  
off, undervoltage (U < 8 V) or after switch-on up to end of switch-on delay  
B
time  
OFF: Manually switched off (S1 = OFF) or device voltage is disconnected  
Load circuit  
Load output  
Power MOSFET switching output (positive switching)  
Overload shutdown (OL)  
Typically 1.1 x I (1.05 ... 1.35 x I )  
N N  
Short-circuit current I  
Active current limitation (see page 5)  
K
Temperature shutdown  
Undervoltage monitoring for load output after each switch-on procedure  
Switch-on delay t  
Internal temperature monitoring with electronic shutdown  
With hysteresis, no reset required: Load "OFF" at U < 8 V  
B
Typically 0.5 s after reset and after U applied  
B
Start  
Load circuit shutdown  
Free running circuit  
Parallel connection of multiple load outputs  
Electronic shutdown after overload/short circuit  
External free-wheeling diode recommended for inductive load  
Not permitted  
F alarm output, signal contact (for EC-E1 and EC-E4 only)  
Electrical data  
Floating signal contact  
30 V DC/0.5 A maximum, 10 V/10 mA minimum  
Normal state, LED lights up green  
OFF state, LED off  
U
–
–
is present, switch S1 is set to ON, and no overloads or short circuits occur  
Device switched off (switch S1 set to OFF)  
B
Operating voltage U is not present  
B
103906_en_01  
PHOENIX CONTACT  
3
EC-E...  
F alarm output, signal contact (for EC-E1 and EC-E4 only) (continued)  
Fault state, LED lights up orange  
Fault state, LED lights up red  
Overload condition > 1.1 x I leading to electronic shutdown  
N
–
–
–
–
Electronic shutdown after overload or short circuit  
Device switched off with control signal (switch S1 set to ON)  
EC-E1: Individual signal, N/O contact open, pins 13 and 14  
EC-E4: Individual signal, N/C contact closed, pins 11 and 12  
Fault description  
F alarm output (signal contact) is in a fault state if  
–
–
–
Operating voltage U is not present  
B
ON/OFF switch S1 is set to OFF  
The LED lights up red (electronic shutdown)  
Status output (for EC-E only)  
Electrical data  
Positive-switching signal output,  
switches U to pin 23,  
B
nominal data: 24 V DC/0.2 A maximum (short-circuit-proof)  
The status output is terminated internally to 0 V with a 10-kohm resistance.  
OUT status  
OFF state  
EC-E... (OUT signal status), where U = +24 V  
B
+24 V = S1 is ON, load output forced to trip  
0 V = S1 is ON, load output blocked, and/or switch S1 is OFF.  
LED lights up red  
0 V level at status output in all cases where:  
–
–
–
Switch S1 is set to ON, but the device is still subject to a switch-on delay  
Switch S1 is set to OFF or control signal OFF, device is switched off  
Operating voltage U is not present  
B
Reset input (for EC-E only)  
Electrical data  
Maximum voltage: +32 V DC  
High > 8 V DC ≤ 32 V DC  
Low ≤ 3 V DC > 0 V DC  
Current consumption: Typ. 2.6 mA (+24 V DC)  
Minimum pulse duration: 10 ms  
RE reset signal, pin 22  
When the EC-E is electronically blocked, it can be switched on again remotely  
on the falling edge of a +24 V DC pulse, using an external button. A common  
reset signal can also be applied to several devices at the same time. Devices  
that are switched on remain unaffected by this.  
Connection terminal blocks  
LINE+/LOAD+/0 V connection terminal blocks  
Screw connections  
M4  
Connection capacity  
1 conductor  
2 conductors (two conductors with the same cross-section)  
2 stranded conductors with a TWIN ferrule  
Stripping length  
Solid  
0.5 mm ... 10 mm  
0.5 mm ... 4 mm  
Stranded  
With ferrule  
2
2
2
2
2
2
0.5 mm ... 10 mm  
0.5 mm ... 10 mm  
2
2
2
2
2
2
2
0.5 mm ... 4 mm  
0.5 mm ... 2.5 mm  
2
0.5 mm ... 6 mm  
10 mm  
Torque (EN 60934)  
1.5 Nm ... 1.8 Nm  
Signal connections for connection terminal blocks  
Screw connections  
Stranded connection capacity with ferrule  
Stripping length  
M3  
2
2
0.25 mm ... 2.5 mm  
8 mm  
Torque (EN 60934)  
0.5 Nm  
103906_en_01  
PHOENIX CONTACT  
4
EC-E...  
General data  
Fail-safe element  
No backup fuse required for EC-E... as a redundant fail-safe element is  
integrated (fuse element)  
Mounting the housing  
DIN rail in acc. with EN 50022, NS 35 x 7.5  
0°C ... +50°C (without condensation, see EN 60204-1)  
-20°C ... +70°C  
Ambient temperature (operation)  
Ambient temperature (storage)  
Humid heat  
96 h, 95% relative humidity, 40°C  
in acc. with IEC 60068-2-78, Test Cab. Climatic class 3K3 according to  
EN 60721  
Degree of protection (housing, terminals)  
Installation dimensions (W x H x D)  
Weight  
IP20, DIN 40050  
12.5 mm x 80 mm x 83 mm  
Approx. 65 g  
Tests/approvals  
Conformance with EMC Directive 2004/108/EC  
Noise emission: EN 61000-6-3  
Noise immunity: EN 61000-6-2  
Insulation coordination (IEC 60934)  
Dielectric strength  
0.5 kV/pollution degree 2, increased insulation in actuation area  
32 V DC maximum (load circuit)  
Insulation resistance ("off" state)  
Vibration resistance  
Approvals  
None, electronic shutdown only  
3g, tested in acc. with IEC 60068-2-6, test Fc  
UL 2367, File E317172  
Solid State Overcurrent Protectors  
UL 1604, File E324415 (class I, division 2, groups A, B, C, D)  
c
Voltage drop, current limitation, maximum load current  
Nominal current I  
Typical voltage drop U at  
Active current limitation  
(typical)  
Max. load current at 100% OT,  
= 40°C  
Max. load current at 100% OT,  
= 50°C  
N
ON  
I
T
T
A
N
A
0.5 A  
1 A  
2 A  
3 A  
4 A  
6 A  
8 A  
10 A  
12 A  
70 mV  
80 mV  
130 mV  
80 mV  
100 mV  
130 mV  
120 mV  
150 mV  
180 mV  
1.8 x I  
1.8 x I  
1.8 x I  
1.8 x I  
1.8 x I  
1.8 x I  
1.5 x I  
1.5 x I  
0.5 A  
1 A  
2 A  
3 A  
4 A  
6 A  
8 A  
10 A  
12 A  
0.5 A  
1 A  
2 A  
3 A  
4 A  
5 A  
7 A  
9 A  
10.8 A  
N
N
N
N
N
N
N
N
1.3 x I  
N
In cases where a row-mounting configuration is being used without convection cooling, the effect of the heat during continuous operation  
(100% OT) means that the nominal device current may only be run at a maximum of 80% of its strength.  
103906_en_01  
PHOENIX CONTACT  
5
EC-E...  
3.1  
Connection diagrams  
The signal contacts are shown in an off state or  
fault state.  
1
LINE+  
1
1
LINE+  
LINE+  
EC-E1  
EC-E4  
EC-E  
SF 23  
12  
14  
13  
RE 22  
11  
LOAD+  
2
LOAD+  
2
2
LOAD+  
0 V  
3
0 V  
0 V  
3
3
Without signal input, with F alarm output  
(individual signal, N/O contact)  
With RE reset input (+24 V DC0), with SF status  
Without signal input, with F alarm output  
(individual signal, N/C contact)  
output (+24 V = load output ON)  
Normal state: 13 - 14 closed  
Fault state: 13 - 14 open  
Normal state: SF +24 V = OK  
Fault state: SF 0 V  
Normal state: 11 - 12 open  
Fault state: 11 - 12 closed  
Figure 1  
Signal inputs/outputs  
3.2  
Block diagram (using example of EC-E)  
LINE (+)  
24 V DC  
S1  
on/off  
Operating state,  
green/orange/red  
RE Reset input  
SF Status output  
LOAD (+)  
0 V  
load output  
Figure 2  
Block diagram (using example of EC-E)  
103906_en_01  
PHOENIX CONTACT  
6
EC-E...  
3.3  
Information on UL approval  
3.4  
Dimensions  
12.5  
83  
a UL1604  
File E324415  
Operating Temperature Code T5  
–
This equipment is suitable for use in Class I, Division 2,  
Groups A, B, C and D or non-hazardous locations only  
1
WARNING:  
–
Exposure to some chemicals may degrade the sealing  
properties of materials used in the following device:  
Relay  
2
Sealant material:  
–
Generic name: Modified diglycidyl ether of  
bisphenol A  
80  
–
–
Supplier: Fine Polymers Corporation  
Type: Epi Fine 4616L-160PK  
Figure 4  
Dimensions in mm  
Casing material:  
–
–
–
Generic name: Liquid crystal polymer  
1
2
UC-TMF 12 marking label  
Supplier: Sumitomo Chemical  
Type: E4008, E4009, or E6008  
Snap-on socket for DIN rail in acc. with EN 50022,  
NS 35 x 7.5  
RECOMMENDATION:  
–
Periodically inspect the device named above for any  
degradation of properties and replace if degradation is  
found  
3.5  
Structure  
WARNING – EXPLOSION HAZARD:  
–
Do not disconnect equipment unless power has been  
removed or the area is known to be non-hazardous  
–
Substitution of any components may impair suitability  
for Class I, Division 2  
a UL2367  
Non-hazardous use - UL File E317172  
Class 2  
Meets requirement for Class 2 current limitation  
(EC-E...-0.5 A/1 A/2 A/3 A)  
Figure 5  
Structure (using example of EC-E1)  
1
2
3
4
Line+ power rail  
0-V power rail  
Signal rail or signal bridge  
Shock protection slides (molded below the housing and  
can be easily removed)  
Figure 3  
UL approval package slip  
103906_en_01  
PHOENIX CONTACT  
7
EC-E...  
3.6  
Time/current characteristic curve (TA = 25°C)  
Stop point  
1.8 x lN  
typ. 1.1 x lN  
10000  
1000  
100  
10  
5
1
0.1  
0.01  
IK  
0
1
2
3
min. 10x lN max125 x N  
Multiples of the nominal current  
Figure 6  
Time/current characteristic curve  
–
–
In the 1.1 ... 1.8 x IN* range, the shutdown time is  
typically 3 s.  
The electronic current limitation function is typically  
used from 1.8 x IN* upwards.  
This means that, typically, 1.8 times the nominal  
current* is flowing in the case of all overload conditions  
that lead to a shutdown (regardless of the power supply  
and load circuit resistance). The shutdown time ranges  
from 100 ms to 3 s depending on the multiple of the  
nominal current, or in the event of a short circuit (IK).  
–
*
Without the current limitation function used at, typically,  
1.8 x IN*, a considerably higher overcurrent would flow  
in the event of an overload or a short circuit.  
Current limitation typically 1.8 x IN where IN  
=
0.5 A ... 6 A  
Current limitation typically 1.5 x IN where IN = 8 A or 10 A  
Current limitation typically 1.3 x IN where IN = 12 A  
103906_en_01  
PHOENIX CONTACT  
8
EC-E...  
3.7  
Safe shutdown  
Safe shutdown of the EC-E... with different supply line lengths and cable cross-sections  
Specific electrical resistance for electrolytic copper: ρ0 = 0.0178 (Ω x mm²)/m  
UB = 19.2 V DC (80% of 24 V DC)  
The voltage drop on the EC-E... and the tolerance of the shutdown point  
(typically 1.1 x IN = 1.05 ... 1.35 x IN) have already been taken into account.  
EC-E... nominal current setting IN (in A) →  
3 A  
6 A  
E.g., shutdown current Ishut = 1.25 A x IN (in A) → 3.75 A  
7.5 A  
2.51Ω  
→ EC-E... typically shuts down after 3 s  
Rmax in ohms = (UB/Ishut) - 0.050 Ω* → 5.07 Ω  
EC-E... trips safely from 0 Ω up to max. circuit resistance Rmax  
Cable cross-section A in mm² → 0.14 mm² 0.25 mm² 0.34 mm² 0.5 mm² 0.75 mm² 1 mm²  
1.5 mm²  
Length L in meters  
(= single length)  
Total cable resistance in ohms = (R0 x 2 x L)/A  
0
0
0
0
0
0
0
0
5 m 1.27 Ω  
10 m 2.54 Ω  
15 m 3.81 Ω  
20 m 5.09 Ω  
25 m 6.36 Ω  
30 m 7.63 Ω  
35 m 8.90 Ω  
40 m 10.17 Ω  
45 m 11.44 Ω  
50 m 12.71 Ω  
0.71 Ω  
1.42 Ω  
2.14 Ω  
2.85 Ω  
3.56 Ω  
4.27 Ω  
4.98 Ω  
5.70 Ω  
6.41 Ω  
7.12 Ω  
0.52 Ω  
1.05 Ω  
1.57 Ω  
2.09 Ω  
2.62 Ω  
3.14 Ω  
3.66 Ω  
4.19 Ω  
4.71 Ω  
5.24 Ω  
7.85 Ω  
0.36 Ω  
0.71 Ω  
1.07 Ω  
1.42 Ω  
1.78 Ω  
2.14 Ω  
2.49 Ω  
2.85 Ω  
3.20Ω  
3.56 Ω  
5.34 Ω  
7.12 Ω  
8.90 Ω  
0.24 Ω  
0.47 Ω  
0.71 Ω  
0.95 Ω  
1.19 Ω  
1.42 Ω  
1.66 Ω  
1.90 Ω  
2.14 Ω  
2.37 Ω  
3.56 Ω  
4.75 Ω  
5.93 Ω  
7.12 Ω  
8.31 Ω  
9.49 Ω  
0.18 Ω  
0.36 Ω  
0.53 Ω  
0.71 Ω  
0.89 Ω  
1.07 Ω  
1.25 Ω  
1.42 Ω  
1.60 Ω  
1.78 Ω  
2.67 Ω  
3.56 Ω  
4.45 Ω  
5.34 Ω  
6.23 Ω  
7.12 Ω  
8.01 Ω  
8.90 Ω  
0.12 Ω  
0.24 Ω  
0.36 Ω  
0.47 Ω  
0.59 Ω  
0.71 Ω  
0.83 Ω  
0.95 Ω  
1.07 Ω  
1.19 Ω  
1.78 Ω  
2.37 Ω  
2.97 Ω  
3.56 Ω  
4.15 Ω  
4.75 Ω  
5.34 Ω  
5.93 Ω  
75 m 19.07 Ω 10.68 Ω  
100 m 25.34 Ω 14.24 Ω 10.47 Ω  
125 m 31.79 Ω 17.80 Ω 13.09 Ω  
150 m 38.14 Ω 21.36 Ω 15.71 Ω 10.68 Ω  
175 m 44.50 Ω 24.92 Ω 18.32 Ω 12.46 Ω  
200 m 50.86 Ω 28.48 Ω 20.94 Ω 14.24 Ω  
225 m 57.21 Ω 32.04 Ω 23.56 Ω 16.02 Ω 10.68 Ω  
250 m 63.57 Ω 35.60 Ω 26.18 Ω 17.80 Ω 11.87 Ω  
Example 1: Max. permissible length at 1.5 mm² and 3 A →  
Example 2: Max. permissible length at 1.5 mm² and 6 A →  
Approx. 200 m†  
Approx. 100 m  
Example 3: Mixed wiring:  
R1 = 40 m in 1.5 mm² and R2 = 5 m in 0.25 mm²  
(control cabinet--- sensor/actuator level)  
R1 = 0.95 ohms, R2 = 0.71 ohms  
Total (R1 + R2) = 1.66 ohms  
*
Internal resistance of miniature circuit-breakers  
†
Shutdown current I  
= 3 A x 1.25 A = 3.75 A  
shut  
Max. current resistance R  
= U /I  
- 0.050 Ω (internal resistance of miniature circuit-breakers)  
shut  
max  
B
R
= (19.2 V/3.75 A) - 0.050 Ω = 5.07 Ω  
max  
The value calculated, 5.07 Ω, falls between 200 m and 225 m in the table (4.75 Ω and 5.34 Ω).  
This means that you can bridge 200 m comfortably.  
103906_en_01  
PHOENIX CONTACT  
9
EC-E...  
4
Mounting the potenial distribution system  
(12.5 mm x n) – 3 mm = length of rails +/- 0.5 mm  
E.g. (12.5 mm x 5) – 3 = 59.5 mm +/- 0.5 mm  
LINE+power rail continuous  
plug-in bridge, gray  
Continuous plug-in bridges  
500 mm length, shorten  
FB ST 500 TMC-NGY  
Signal rail or signal bridge  
continuous plug-in bridge  
FBST 500-PLC-BU  
FBST 500-PLC-RD  
BU = blue  
RD = red  
Simply remove shock  
protection slides from  
underside of device  
Attach shock protection  
slides to sides of device  
0-V power rail  
continuous plug-in bridge, gray  
FB ST 500 TMC-NGY  
12.5 mm x n = width of device block  
E.g. 12.5 mm x 5 = 62.5 mm  
Press in bridges and  
shock protection slides  
so that they are flush  
with the sides of the housing  
Press in bridges  
so that they are flush  
with the housing and  
place in a central  
position above  
the contacts  
Figure 7  
Mounting  
NOTE: The EC-E... electronic miniature circuit-  
breakers require a 0-V connection.  
A potential distribution system is integrated into the EC-E...  
Various continuous plug-in bridges can be used to create  
the following wiring configurations:  
–
–
–
–
LINE +(24 V DC)  
0 V  
Signal contacts  
Reset inputs  
103906_en_01  
PHOENIX CONTACT 10  
EC-E...  
5
Application examples  
The signal contacts are shown in an off state or  
fault state.  
5.1  
EC-E1– group signaling (series connection)  
+ Supply for the SI  
+ Supply  
LINE + Power Rail  
Continuous Plug-in Bridges, Gray  
1
1
LINE+  
1
+24 V  
LINE+  
LINE+  
14  
14  
13  
14  
13  
13  
Group Signaling Using  
a Signal Lamp  
Power Supply Unit  
24 V DC  
Signal Bridges Plugged in Offset  
In Relation to Each Other  
EC-E1  
EC-E1  
EC-E1  
Continuous Plug-in Bridges, Blue or Red  
2 LOAD+  
3 0 V  
2 LOAD+  
3 0 V  
2 LOAD+  
3 0 V  
0 V  
0 V-Power Rail  
Continuous Plug-in Bridges, Gray  
- Supply  
+
-
+
Load  
-
+
-
Load  
Load  
Figure 8  
EC-E1– group signaling (series connection)  
5.2  
EC-E4 – individual signaling with common supply  
Individual Signaling for  
Each channel using a  
Signal Lamp  
+ Supply for the SI  
+ Supply  
LINE+ Power Rail  
Continuous Plug-in Bridges, Gray  
1
LINE+  
1
LINE+  
1
LINE+  
+24 V  
12  
12  
12  
11  
11  
11  
Power Supply Unit  
24 V DC  
Signal Rail for Common  
Suppy  
EC-E4  
EC-E4  
EC-E4  
Continuous Plug-In Bridges, Blue or Red  
2 LOAD+  
3 0 V  
2 LOAD+  
3 0 V  
2 LOAD+  
3 0 V  
0 V  
0 V-Power Rail  
Continuous Plug-in Bridges, Gray  
- Supply  
+
+
Load  
+
Load  
-
-
-
Load  
Figure 9  
EC-E4 – individual signaling with common supply  
103906_en_01  
PHOENIX CONTACT 11  
EC-E...  
5.3  
EC-E – individual signaling with common reset  
Reset  
button  
Individual signaling for each  
channel using a signal lamp  
+ supply  
LINE+ power rail  
continuous plug-in bridge, gray  
1
1
1
+24 V  
LINE+  
LINE+  
LINE+  
23  
23  
23  
22  
22  
22  
SF  
SF  
SF  
RE  
RE  
RE  
24 V DC  
power supply unit  
Signal rail for common  
supply  
EC-E  
EC-E  
EC-E  
Continuous plug-in bridges, blue or red  
2 LOAD+  
3 0 V  
2 LOAD+  
3 0 V  
2 LOAD+  
3 0 V  
0 V  
0-V power rail  
continuous plug-in bridge, gray  
- supply  
+
Load  
+
Load  
+
Load  
-
-
-
Figure 10  
EC-E – individual signaling with common reset  
PHOENIX CONTACT GmbH & Co. KG • 32823 Blomberg • Germany • Phone: +49-(0) 5235-3-00  
PHOENIX CONTACT • P.O.Box 4100 • Harrisburg • PA 17111-0100 • USA • Phone: +1 (0) 717-944-1300  
www.phoenixcontact.com  
103906_en_01  
12  

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