Product overview
ZW8-12 series vacuum circuit breaker is rated voltage 12kV, three phase AC 50Hz high voltage outdoor switching equipment, mainly used to switch the load current, overload current, short circuit current of guan farm network, city network and small power systems. ZW8-12 series vacuum circuit breaker is rated voltage 12kV, three phase AC 50Hz high voltage outdoor switching equipment, mainly used to switch the load current, overload current, short circuit current of guan farm network, city network and small power Kä ye kek looi aye kä ye kek looi yiic, kä ye kek looi yiic, kä ye kek looi yiic, kä ye kek looi yiic, kä ye kek looi yiic, kä ye kek looi yiic, kä ye kek looi yiic, kä ye kek looi yiic, kä ye kek looi yiic, kä ye kek looi yiic, kä ye kek looi yiic.
ZW8A-12 ye looi në ZW8-12 circuit breaker ku separator knife, ye cɔl combination circuit breaker, a lëu bï ya luui ke ye segment switch.
Kä ye kek looi aye CT23 ye kek looi, man ye kek looi, man ye kek looi, man ye kek looi, man ye kek looi, man ye kek looi, man ye kek looi, man ye kek looi, man ye kek looi, man ye kek looi.
Parameters teknis
Serial Number Name Unit Data
6.3kA 12.5kA 20kA
1 Voltage nominal kV 12
2 Nominal Current A 630
3 Nominal short circuit load off current kA 6.3 12.5 20
4 Nominal short circuit shutdown current (peak) kA 16 31.5 50
5 Nominal peak tolerance current kA 16 31.5 50
6 wɛ̈t koor 1min wɛ̈t koor kA 63 12.5 20
7 Kuen ye cɔl insulation ye cɔl working frequency resistance (dry type) kV 42
Lɔ̈ɔ̈i ye cɔl lightning impact pressure (peak) 75
8 Rated operation order Min-0.3S-Composite-180 S-Composite
9 Mechanical Life 10000
10 Nominal short circuit switching current switching times 30
11 Ajuiɛɛr de luɔɔi ye cɔl V 110,220
12 Operating Mechanism Rated Split Gate Current A 110,220
13 Lɔ̈ɔ̈m ye kɔɔr mm 11±1
14 Super stroke (tɛ̈ɛ̈r ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye kɔɔr ye) mm 3-0.3+1.0
15 Three phase division, closure different period ms ≤2
16 Touch Lock Jump Time ms ≤2
17 Ajuiɛɛr ye kɔc cɔl m/s 1.0±0.2
18 Ajuiɛɛr ye cɔl m/s 0.7±0.15
19 Minutes Gate Time S 0.015-0.05
0.03-0.06 tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n
20 Wakat ye looi s 0.025-0.05
21 Resistance de circuit principal μΩ ≤120
22 Dynamic contact lets friction accumulated thickness mm