Siemens 3AH3 Instruction Manual page 55

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