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One Breaker Application Examples
Trip Circuit Monitoring for one Breaker: Auxiliary Contacts (52a and 52b) in trip circuit.
Relay Control Voltage
COM1
DI1
COM2
DI2
W1-52a
W1-52b
V+
V-
Breaker 1 (Bkr[1]) Control Voltage
- DC
X1
1
PE
TC
2
V+
3
V-
52a
4
5
Trip
6
+DC
7
8
9
10
11
12
13
14
15
16
17
18
52a and 52b in Trip Circuit
X1
6
5
X1
8
7
EMR-4000
52b
DI-Threshold
AND
DI-Threshold
AND
www.eaton.com
t-TCM
t
OR
0
IM02602009E
TCM.Pickup
777
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