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15
Equipment Description
IB-60201
Figure 7
Typical AC Control Scheme
TO A
C/DC C
ONTR
OL POWER
9
LS
M
CC
Y
LCS
LS
52
b
11
CS
C
W
LS
10
Y
Y
LS
G
R
PR
CS
T
15
52
b
16
TC
52
a
52
a
13
14
TO DC C
ONTR
OL POWER
52
a
5
1
52
a
2
7
52
b
8
3
52
b
4
1
52
a
2
5
52
a
6
Pull Apart Fuse Block
LS
Spring Charge Limit Switch. Shown with
Breaker Closing Springs Discharged
M
Bkr. Closing Springs Charging Motor
52
b
Normally Closed Bkr. Auxiliary Switch Contact
52
a
Normally Open Bkr. Auxiliary Switch Contact
Y
Y
Anti-Pump Relay
LCS
Latch Check Switch
PR
Protective Relaying
CS
T
Bkr. Control Switch Trip Contact
TC
Bkr. Trip Coil
CC
Bkr. Closing Coil
CS
C
Breaker Control Switch Close Contact
RES
Voltage Dropping Resistor (250VDC Only)
TO DC C
ONTR
OL POWER
9
LS
M
CC
Y
LCS
LS
52
b
11
CS
C
W
LS
10
Y
Y
LS
12
G
R
PR
CS
T
15
52
b
16
TC
52
a
52
a
13
14
RES
LEGEND
7
52
b
8
3
52
b
4
Figure 8
Typical DC Control Scheme
