GE SecoVac Series Manual page 36

SecoVac 3.3kV-27kV Embedded Pole Vacuum Circuit Breaker
Internal Wiring Diagram
Fixed Type
Spring Charge Motor
25
24
26
V1
M
(21) (13) (21)
S3 (14) S3 S1
(22) (22)
35
36 34
11 2 4
43
21 13
81
S5
S5 S5
22 S5 14
82
44
21 22 12 14
S4: Electromagnet for locking's auxiliary switch
S: Auxiliary switch
S1~S3: Energy storing travel switch
V1~V4: Recti¿er
Note:
1. This wiring diagram describes that a breaker is uncharged and is in an open state.
2. The polarity in dashed frame should be consistent when the operation voltage is DC.
32
Closing Circuit Breaker Interlock Circuit Opening Circuit
10
V2
CC
K0
(13)
(14) S2
BC
S4
(53)
(51)
S5
(52) S5
(54)
(5)
(2)
K0
(3)
20
CC: Closing coil
TC: Trip coil
M: Energy storing motor
C: Control
30
52 6
V3
V4
TC
(73)
(11)
91
S5
S5
(12)
92
(74)
50 31 32 16
51
KO: Anti-pumping relay (optional)
BC: Over current release coil (optional)
ZC: Electromagnet for locking (optional)
3 5 7 9 23 27 28 29 8
63 23 33 83 93
31 41 71 61
S5
64 24 34 84 94
32 42 72 62
13 15 17 19 33 37 38 39 18