ZW32M permanent magnet outdoor high-voltage alternating-current vacuum circuit breaker is a new permanent magnet outdoor high-voltage alternating-current switchgear of our vacuum circuit breaker series products. Its rated voltage is 12 kV. It applies to places with such voltage level, including overhead lines, industrial and mining enterprises, power stations, substations, etc. Under its normal operating conditions and specified technical parameters, it can satisfy the protection requirements of systems connected with the grid in service. It has good performance in short-circuit making and breaking. It is characterized by automatic re-making, stable operation and long electric life.
Ambient temperature: - 40℃~+40℃
Altitude: ≤2000m Relative humidity: ≤95% (daily average) or ≤90% (monthly average) Wind speed: ≤34m/s (equivalent to a pressure of 700pa on a cylindrical surface) Structure and Function| Description | Unit | Data | ||
| Rated voltage | KV | 12 | ||
| Rated current | A | 630 | ||
| Rated frequency | Hz | 50/60 | ||
| Rated short-circuit brekaing current | kA | 20/25 | ||
| Meachical life | Time | 30000 | ||