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ZW7-40.5 series of outdoor High Voltage Vacuum Circuit Breaker With Central Operating Mechanism are three phase,A.C 50(60) Hz outdoor high voltage distribution equipment with 40.5kV rated voltage,which can be used to open or close loading current ,over-loading current and short-circuit current,it is widely used in rural electrical network and comply with GB1984-2003 standard

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ZN85-40.5/T type indoor high voltage indoor vacuum circuit-breaker is used for switchgear KYN61-40.5(Z), it is most new type of power supply and distribution equipment.This product is accordance with GB1984-2003 stand

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