Powered by Safety
®
17
Equipment Description
01.4IB.50032C
Figure 8
Typical Control Scemes
TO A
C/DC C
ONTR
OL POWER
5
LS
M
CC
Y
LCS
LS
52
b
7
CS
C
6
Y
Y
LS
G
R
PR
CS
T
13
52
b
14
TC
52
a
52
a
9
10
TO DC C
ONTR
OL POWER
51
52
a
52
57
52
b
58
53
52
b
54
FU/20A
56
FU/35A
52
a
55
51
52
a
52
55
52
a
56
TO DC C
ONTR
OL POWER
5
LS
M
CC
Y
LCS
LS
52
b
7
CS
C
G
6
Y
Y
LS
13
R
PR
CS
T
TC
52
a
52
a
13
10
RES
57
52
b
58
53
52
b
54
52
b
14
FU/35A
FU/20A
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
CC
Bkr. Closing Coil
CS
C
Breaker Control Switch Close Contact
RES
Voltage Dropping Resistor (250VDC Only)
LEGEND
TC
Bkr. Trip Coil
