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Siemens 38-3AH3 38 kV Instruction Manual page 63

Vacuum circuit breaker
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Table 10: Type 38-3AH3 vacuum circuit breaker weight in lbs (kg)
Continuous current
A
1,200
2,000
3,000
Footnotes:
Weight estimates are for circuit breaker only.
1.
Add 125 lbs (57 kg) for packaging.
2.
Weight and dimensions are approximate..
Approximate circuit breaker dimensions in
3.
inches (mm) (W x D x H):
Net 44" (1,117 mm) x 46" (1,168 mm) x 51"
(1,294 mm)
Packed for shipment separate from switchgear:
48" (1,218 mm) x 48" (1,218 mm) x 60"
(1,522 mm).
Table 11: 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
Appendix
Circuit breaker type
38-3AH3-31
38-3AH3-40
800 (364)
850 (387)
900 (409)
950 (432)
1,000 (455)
1,050 (478)
5-cycle interrupting time (83 ms)
3.5-cycle interrupting time (58 ms)
3-cycle interrupting time (50 ms)
1, 2, 3
38-3AH3-1500
800 (364)
900 (409)
1,000 (455)
≤ 10 s
38 kV
≤ 70 ms
38 kV
≤ 56 ms
38 kV
≤ 43 ms
38 kV
≤ 38 ms
63

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