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ZW43A‑12G Series Outdoor High Voltage Vacuum Breaker
YUANKY
America, Europe, Britain, Australia, Southeast Asia, Philippines, I, Africa, French, Arabic
Yuanky ZW43A‑12G series outdoor high voltage vacuum breaker applies to substations, industrial and mining enterprises, urban and rural power grid protection and control, especially suitable for frequent operation occasions and distribution network automation. It complies with GB/T1984, GB/T11022, D1402 and other relevant standards. This breaker can match with controller to form recloser and realize four remote functions: remote control, remote measurement, remote signalling and remote regulation. It has rated current of 630A, rated short-circuit breaking current of 20kA, and mechanical life up to 30000 times, with stable insulation performance and contact wear thickness limited to 3mm, its net weight is 70kg for convenient outdoor installation.
Technical Parameters
Item | Unit | Parameters |
|---|---|---|
Rated voltage | kV | 12 |
1min power frequency withstand voltage (interpole, to ground / fracture) | kV | Dry:42, Wet:34 |
Lightning impulse withstand voltage (interpole, to ground) | kV | 75 |
Lightning impulse withstand voltage (fracture) | kV | 85 |
Rated frequency | Hz | 50 |
Rated current | A | 630 |
Rated short-time withstand current and duration | kA/4S | 20 |
Rated short-circuit open circuit current | kA | 20 |
Rated short-circuit current close | kA | 50 |
Rated peak tolerance current | kA | 50 |
Rated operating sequence | O-0.3s-CO-180s-CO | |
Rated short-circuit open circuit times | times | 30 |
Mechanical life | times | 30000 |
Contactor accumulative wear thickness | mm | 3 |
Weight | kg | 70 |
