Parameters ZW20-12 ZW51-12 outdoor hv vacuum circuit breaker
Three pole operation,50Hz, outdoor pole mounted vacuum circuit breaker is designed for pole-mounted or substation applications up to 12kV,630A,25 kA. These pole mounted vacuum circuit breakers are used for control and protection of overhead distribution lines, cables, transformers,motors, generators,and etc.They are able to be operated at ambient temperatures from -40℃~+40℃.They are also flexible to receive various relays and voltage inputs besides a wide auxiliary and control voltage range -24V,48V,110V,220V.Currently,spring mechanism and permanent magnetic mechanism are available upon user needs.
Rated Voltage 12kv
Rated Current 630A 630,1250A
Rated Short-circuit Breaking Current 20,25KA
Rated Power Frequency Withstand Voltage 42,49KV
Lightning Impulse Withstand Voltage 75,85KV
Leistung Energie is a professional outdoor vacuum circuit breaker manufacturer.