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Trip Circuit Monitoring for One Breaker: Auxiliary Contacts (52a Only) in Trip Circuit.
Relay Control Voltage
COM1
DI1
W1-52a
W1-52b
V+
V-
Breaker 1 (Bkr[1]) Control Voltage
X1
1
PE
TC
2
V+
3
V-
4
5
6
7
8
9
10
11
12
13
14
15
16
17
52a only in Trip Circuit
18
X1
6
5
EMR-4000
- DC
52a
52b
Trip
+DC
DI-Threshold
Bkr.Pos CLOSE
www.eaton.com
t-TCM
t
AND
0
IM02602009E
TCM.Pickup
778
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