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ZW32M‑12/ ZW32‑12/ ZW32‑12G Series Outdoor HV Permanent Magnetic Vacuum Breaker
YUANKY
America, Europe, Britain, Australia, Southeast Asia, Philippines, I, Africa, French, Arabic
Yuanky ZW32M‑12, ZW32‑12 and ZW32‑12G series outdoor HV permanent magnetic vacuum breaker is suitable for places with frequent operation, it can be divided into spring operating mechanism type and permanent magnet operating mechanism type according to different structures. This circuit breaker can be matched with controller to form recloser, realizing four remote functions including remote control, remote measurement, remote signalling and remote regulation. It has rated current of 630A and rated short-circuit breaking current options of 12.5kA,16kA and 20kA, its mechanical life reaches 10000 times. It has reliable insulation performance and stable operating parameters, with over-current tripper equipped, and supports DC220V or AC220V operating voltage for control and auxiliary circuit, widely used for outdoor power distribution network protection and control.
Technical Parameters
Item | Unit | Parameters |
|---|---|---|
Rated voltage | kV | 12 |
Rated insulation level 1min power frequency withstand voltage(Dry test / Wet test) Lightning impulse withstand voltage(Peak value) | kV | Phase to earth & phase-phase:42; Break:48 External insulation to ground:34 Phase to earth & phase-phase:75; Break:85 |
Rated frequency | Hz | 50 |
Rated current | A | 630 |
Rated short-circuit breaking current | kA | 12.5/16/20 |
Rated short circuit break and close current(peak) | kA | 50 |
Rated peak withstand current | kA | 50 |
4s Rated short-time withstand current | kA | 20 |
Rated operate sequence | 0-0.3s-CO-180s-O | |
Close time / Break time | ms | 25-50/15-50 |
Break times for rated short break current | times | 30 |
Machine life | times | 10000 |
1min power frequency withstand voltage of control circuit and auxiliary circuit | V | 2000 |
Rated working voltage and auxiliary circuit rated voltage | V | DC220/AC220 |
Over-current tripper Rated current Tripping current veracity | A % | 5 ±10 |
