outdoor medium voltage vacuum circuit breaker
VW32 series outdoor vacuum circuit breaker is usually applicated in 3 phases 11KV to 33KV outdoor medium voltage electric power system. It can open and close line load current, overload current and short circuit current. Outdoor medium voltage vcb breaker is widely used in substations, urban and rural power grids and distribution systems of industrial and mining enterprises for line segmentation, protection and control, and is more suitable for rural power grids and frequently operated site.
VW32 outdoor vacuum circuit breaker is applicable for branch lines of backbone network of 10KV, 20(24)KV, 35(40.5)KV and user entries. It isolates the faults by direct opening when there is ground fault or instantaneous opening where there is overcurrent fault, which restricts the fault at minimum, so that try to reduce the power failure time and improve power supply reliability of backbone network and lines.
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Features of VW32 outdoor mv vacuum circuit breaker:
Automatic removal of single-phase ground fault. When the user line comes across single-phase ground fault, the boundaries circuit breaker will open automatically, other branch lines from the transformer substation and feeder line will not be affected by this fault;
Automatic isolation of phase-to-phase short-circuits fault. When user line has phase-to-phase short-circuit fault, the mv vacuum circuit breaker will trip prior to the outlet switch of transformer substation and isolate the faulty line automatically, the power supply of other branch lines at feeder line will not be affected by this fault.