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Appendix - Siemens GMSG-GCB Instruction Manual

5 kv to 15 kv vacuum circuit breakers

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Appendix

Table 9: Circuit breaker control data
Control voltages,
ANSI/IEEE C37.06
Range
Nominal
Close
24 Vdc
19 - 28
14 - 28
48 Vdc
36 - 56
28 - 56
125 Vdc
100 - 140
70 - 140
250 Vdc
200 - 280
140 - 280
120 Vac
104 - 127
240 Vac
208 - 254
Table 10: Interrupting capacity auxiliary switch contacts
Type switch
Continuous current
Non-inductive
Circuit breaker
10
TOC
15
MOC
20
Inductive
Circuit breaker
10
TOC
15
MOC
20
62
Close
Trip coil
coil
Trip
A
A
1
1
5.7
15/----
4
11.4
11.4/30
3
2.1
4.8/7.4
3
2.1
4.2/9.6
3
----
2.0
----
4
2, 4
----
2.0
----
4
2,4
2
A
120 Vac
240 Vac
10
5
15
10
15
10
6
3
15
10
15
10
Spring charging motor
Run
Inrush
Charging
(Average)
(Peak)
1
A
A
----
----
4
4
8
25
4
18
2
10
6
----
4
3
----
4
Control circuit voltage
48 Vdc
125 Vdc
10/30
9.6
1
0.5
0.5
10
10
10
6
0.5
0.5
10
10
Footnotes:
Current at nominal voltage
1.
Capacitor trip
2.
Value preceding slash (/) is the current
3.
for the standard trip coil with standard
rating interrupting time. Value
Seconds
following (/) is current for optional trip
coil with three-cycle interrupting time.
----
4
---- means this selection is not available.
4.
10
10
10
10
10
Footnotes:
Two contacts in series
1.
All switch contacts are non-convertible.
2.
250 Vdc
4.8
0.2
5
3
0.2
5

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