Supply ZW32 permanent magnet vacuum circuit breaker

ZW32-12M permanent magnet high-voltage vacuum circuit breakers, the convergence of the world's newest permanent institutions and the whole cast epoxy insulation solid state technology and other advanced technologies, and the use of vacuum breaking technology, a long life, breaking reliable and long-term completely maintenance-free features. External insulation imported outdoor special epoxy whole cast is made with UV-resistant, anti-flashover, anti-pollution and other advantages. The product is completely free of oil, SF6, maintenance-free, do not pollute the environment. ZW32 permanent magnetic vacuum circuit breaker with permanent magnetic actuator using advanced, reliable mechanical performance; and equipped with manual switching mechanism, if necessary, on-site manual opening and closing operation. The product has a small size, light weight, easy to operate, reliable, non-polluting, maintenance and many other advantages. Key Features ★ products: epoxy resin solid insulation, no oil, no SF6, no harm to the environment breaking vacuum, axial magnetic field interrupter, reliable import outdoor special epoxy resin, UV resistant, anti-flashover, not aging permanent magnet operating mechanism, maintenance-free, long-term reliable operation bistable permanent magnetic actuator, not demagnetization, permanent use mechanical life of at least up to 20,000 times more compact structure, small size, light weight, easy to install and transport the box after special treatment, no rust, can maintain shape lasting appearance (optional stainless steel box) with high intelligent computer controller that provides a variety of features to meet the various requirements of users can be equipped with remote control FTU implement, monitor and implement SCADA functions ★ The main technical parameters: Rated voltage 12kV rated current of 630A rated short-circuit breaking current 20kA rated short-circuit current of 50kA 3S 20kA rated short time withstand current Rated peak withstand current 50kA 1 minute power frequency withstand voltage 42kV Lightning impulse withstand voltage (BIL ) 75kV voltage control loop frequency (1 min) 2000V control circuit power supply voltage AC220 / 110V, DC220V Rated operating sequence points combined points t1 t2 t3 combined points combined points - blocking t1 is 0.5 ~ 5s t2, t3 are 2 ~ 5s antifouling grade IV and above mechanical life 20,000 times to adapt to the temperature range of -40oC ~ + 50oC weight 95kg ★ mechanical properties, the main circuit resistance contact opening distance 10 ± 1mm ??main circuit resistance ≤110μΩ opening year of ≤2ms Closing same period ≤ 3ms opening speed 1.0 ± 0.3m / s closing speed 0.6 ± 0.2m / s