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Table 11: Type GMSG vacuum circuit breaker weight in lbs (kg)
Circuit breaker type
5-GMSG-40
5-GMSG-250
5-GMSG-50
5-GMSG-350
5-GMSG-63
7-GMSG-40
7-GMSG-500
15-GMSG-25
15-GMSG-500
15-GMSG-40
15-GMSG-750
15-GMSG-50
15-GMSG-1000
15-GMSG-63
5-GMSG-GCB-40
15-GMSG-GCB-40
5-GMSG-GCB-50
15-GMSG-GCB-50
5-GMSG-GCB-63
15-GMSG-GCB-63
Table 12: Circuit breaker operating times (type 3AH3 operator)
Spring charging time
Close time from energizing close coil at rated control voltage to contact touch (last pole)
Opening time from energization trip coil at rated control voltage to
contact part (last pole), not including arcing time
1, 2, 3
Continuous current (A)
1,200
2,000
440
650
(200)
(295)
455
665
(206)
(302)
809
819
(368)
(372)
455
665
(206)
(302)
430
640
(195)
(290)
445
670
(202)
(304)
460
675
(209)
(306)
819
829
(372)
(377)
475
685
(215)
(311)
825
835
(374)
(379)
875
900
(397)
(408)
Footnotes:
Weight estimates are for circuit breaker only. Add
1.
75 lbs (34 kg) if shipped separately packaged.
Weight and dimensions are approximate.
2.
3,000
Approximate circuit breaker dimensions in inches (mm)
3.
(W x D x H):
665
• 32" (813 mm) X 39" (991 mm) X 36" (914 mm).
(302)
If packed for shipment separate from switchgear:
670
• 42" (1067 mm) X 47" (1194 mm) X 43"
(304)
(1,092 mm).
824
(375)
675
(306)
----
675
(306)
680
(308)
834
(379)
715
(324)
865
(392)
930
(427)
5-cycle interrupting time (83 ms)
3.5-cycle interrupting time (58 ms)
3-cycle interrupting time (50 ms)
≤ 10 s
≤ 65 ms
≤ 56 ms
≤ 43 ms
≤ 33 ms
63
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