Circuit breaker
type
1
Maximum
design voltage
(V)
2
Voltage range
factor (k)
3
Withstand voltage levels Continuous
current
4
Short-circuit (I)
5,
6
Interrupting
time
7
Permissible
tripping
delay (y)
Max. sym.
interrupting
(I)
% dc
component
Short-time
current (I)
(three
seconds)
Closing and latching
(momentary)
Circuit
breaker
type
1
kV rms Power frequency
kV rms
Lightning impulse
(BIL)
kV crest
A rms kA rms sym ms / cycles Sec kA rms sym % kA rms Asymmetrical
(1.55 x I)
kA rms
Peak
(2.6 x I)
kA peak
5-GMSG-
40-xxxx-104
4.76 1.0 19 60
1,200, 2,000,
3,000, 4,000FC
40 83 / 5 2 40 47 40 62 104
5-GMSG-
40-xxxx-104
5-GMSG-
50-xxxx-130
4.76 1.0 19 60
1,200, 2,000,
3,000, 4,000FC
50 83 / 5 2 50 47 50 78 130
5-GMSG-
50-xxxx-130
5-GMSG-
63-xxxx-164
4.76 1.0 19 60
1,200, 2,000,
3,000, 4,000FC
63 83 / 5 2 63 47 63 98 164
5-GMSG-
63-xxxx-164
7-GMSG-
40-xxxx-104
8.25 1.0 36 95
1,200, 2,000,
3,000, 4,000FC
40 83 / 5 2 40 47 40 62 104
7-GMSG-
40-xxxx-104
15-GMSG-
25-xxxx-65
15.0 1.0 36 95 1,200, 2,000 25 83 / 5 2 25 47 25 39 65
15-GMSG-
25-xxxx-65
15-GMSG-
40-xxxx-104
15.0 1.0 36 95
1,200, 2,000,
3,000, 4,000FC
40 83 / 5 2 40 47 40 62 104
15-GMSG-
40-xxxx-104
15-GMSG-
50-xxxx-130
15.0 1.0 36 95
1,200, 2,000,
3,000, 4,000FC
50 83 / 5 2 50 47 50 78 130
15-GMSG-
50-xxxx-130
15-GMSG-
63-xxxx-164
15.0 1.0 36 95
1200, 2000,
3000, 4000FC
63 83 / 5 2 63 47 63 98 164
15-GMSG-
63-xxxx-164
Appendix
Type GMSG 63 kA circuit breaker
rear view
Type GMSG 63 kA circuit breaker
front view
65
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