ZW20 & FDR-115 intelligent vacuum breaker is installed overhead at the head of 10kV distribution grid, the head of large branch, the end of main line and T junction of user line.

With automate functions such as telesignaling, telemetry, remote control, telecom , protection , reclose and multiple feeder automation strategies , breakers can detect short circuit / earthing faults quickly and isolate them locally.

Improve the reliability of power distribution grid effectively .

Suitable for 10kV overhead distribution grid/10kV overhead & cable mixed line use neutral point via small resistance grounding/ungrounded /arc suppression coil grounding system.