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Pole Circuit Breaker

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Pole Circuit Breaker

ZW32-12 series outdoor high-voltage AC vacuum circuit breakers are used in AC 50HZ/rated voltage 12KV three-phase power system, as the function of dividing and closing load current, overload current and short-circuit current. The circuit breaker can be equipped with a reclosing controller that can identify current characteristics and realize multiple automatic reclosing or permanent fault isolation; self-provided PT as a power source, becomes a smart circuit breaker with voltage and current signal output and control; electronic PT provides power It can also complete the three-stage compound protection of overcurrent delay, inrush current delay, and short-circuit quick-break.

Features

  • Rated Voltage:12 kV

  • Rated Frequency:50kV

  • Rated Current:630Hz

  • Rated Short-circuit Breaking Current:20A

  • Rated Peak Withstand Current:50kA

  • Rated Short-time Withstand Current:20kA

  • Rated Short-circuit Making Current:50kA

  • Mechanical Life:10000kA

Application scenario