55
Circuit breaker type Weight in lbs (kg)
1
Maximum voltage
kV
Interrupting
capability kA
(MVA)
symmetrical)
Continuous current
1,200 A 2,000 A 3,000 A
4.76 31.5 (250) 242 (110) 264 (120) ----
4.76 40 246 (112) 268 (122) 390 (177)
4.76 50 (350) 330 (150) 363 (165) 396 (180)
4.76 63 432 (196) 441 (200) 463 (210)
8.25 40 (500) 246 (112) 268 (122) 390 (177)
15.0 20 (500) 165 (75) 257 (117) ----
15.0 25 165 (75) 257 (117) ----
15.0 31.5 (750) 242 (110) 264 (120) ----
15.0 40 246 (112) 268 (122) 390 (177)
15.0 50 (1,000) 330 (150) 363 (165) 396 (180)
15.0 63 436 (198) 445 (202) 467 (212)
15.5 20 262 (119) 278 (126) ----
15.5 25 273 (124) 298 (131) ----
15.5 31.5 298 (135) 313 (142) 385 (175)
15.5 40 309 (140) 324 (147) 390 (177)
27.6 20 276 (125) 291 (132) ----
27.6 25 287 (130) 302 (137) ----
38.0 20 353 (160) 375 (170) 386 (175)
38.0 25 353 (160) 375 (170) 386 (175)
38.0 31.5 363 (165) 385 (175) ----
38.0 40 375 (170) 397 (180) 408 (185)
Table 13: Type 3AH3 vacuum circuit breaker weight in lbs (kg) (circuit breaker operator only)
2
Footnote:
1.
Add 100 lbs (45 kg) for
packaging.
2.
For weights of circuit breakers
with the type 3AHc operator,
refer to the instruction manual
for the circuit breaker.
Spring charging time
≤ 10 s
Close time from energizing close coil at rated
control voltage to contact touch (last pole)
Up to 15.5 kV
≤ 55 ms
Over 15.5 kV up to 27.6 kV
≤ 65 ms
Over 27.6 kV up to 38 kV
≤ 70 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)
Up to 15.5 kV
≤ 56 ms
Over 15.5 kV up to 27.6 kV
≤ 56 ms
Over 27.6 kV up to 38 kV
≤ 56 ms
3.5-cycle interrupting time
(58 ms)
Up to 15.5 kV
≤ 43 ms
Over 15.5 kV up to 27.6 kV
≤ 43 ms
Over 27.6 kV up to 38 kV
≤ 43 ms
3-cycle interrupting time
(50 ms)
Up to 15.5 kV
≤ 38 ms
Over 15.5 kV up to 27.6 kV
≤ 38 ms
Over 27.6 kV up to 38 kV
≤ 38 ms
Table 14: Circuit breaker operating times (type 3AH3 operator)
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