Appendix
Table 11: Type GMSG vacuum circuit breaker weight in lbs (kg)
1, 2, 3
Footnotes:
1.
Weight estimates are for circuit
breaker only. Add 75 lbs (34 kg) if
shipped separately packaged.
2.
Weight and dimensions are
approximate.
3.
Approximate circuit breaker
dimensions in inches (mm) (W x
D x H):
32" (813 mm) X 39” (991 mm)
X 36” (914 mm).
If packed for shipment separate
from switchgear:
42” (1067 mm) X 47” (1194
mm) X 43” (1092 mm).
Spring charging time
≤ 10 s
Close time from energizing close coil at rated
control voltage to contact touch (last pole)
≤ 55 ms
Opening time from energization trip coil
at rated control voltage to contact part
(last pole), not including arcing time
5-cycle interrupting time (83 ms)
≤ 56 ms
3.5-cycle interrupting time (58 ms)
≤ 43 ms
3-cycle interrupting time (50 ms)
≤ 33 ms
Table 12: Circuit breaker operating times (type 3AH3 operator)
Circuit breaker
type
Continuous current (A)
1,200 2,000 3,000
5-GMSG-40
5-GMSG-250
440
(200)
650
(295)
665
(302)
5-GMSG-50
5-GMSG-350
455
(206)
665
(302)
670
(304)
5-GMSG-63
809
(368)
819
(372)
824
(375)
7-GMSG-40
7-GMSG-500
455
(206)
665
(302)
675
(306)
15-GMSG-25
15-GMSG-500
430
(195)
640
(290)
----
15-GMSG-40
15-GMSG-750
445
(202)
670
(304)
675
(306)
5-GMSG-50
5-GMSG-1000
460
(209)
675
(306)
680
(308)
15-GMSG-63
819
(372)
829
(377)
834
(379)
63