FZW28-12 630A Demarcation Type 11KV 12KV 3 Phase Vacuum Load Switch BreakerFZW28-12 series outdoor boundary vacuum load switch is suitable for outdoor three-phase AC power distribution system with rat
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FZW28-12 630A Demarcation Type 11KV 12KV 3 Phase Vacuum Load Switch Breaker
FZW28-12 series outdoor boundary vacuum load switch is suitable for outdoor three-phase AC power distribution system with rated voltage of 12kV and rated frequency of 50Hz. It is used for opening and closing load current and closing short-circuit current.
It is suitable for substations, industrial and mining enterprises, urban and rural power grids as protection for them and frequently operated places.
This boundary load switch is composed of FZW28-12 vacuum load switch and controller, which are electrically connected through aviation socket and outdoor sealed control cable. It can reliably judge the zero-sequence current and short-circuit current between phases inside and outside the detection range, and it is suitable for power distribution systems with different methods of neutral point grounding.
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