ZW7-40.5 OUTDOOR HIGH-VOLTAGE VACUUM CIRCUIT BREAKER

ZW7-40.5 Outdoor high-voltage vacuum circuit breaker is for alternating current of rated voltage of 40.5kV for outdoor installation, and for service frequency of 50 Hz. It is mainly used for control and protection of outdoor power transmission systems of rated voltage of 35kV, as well as used for normal operation and short-circuit protection.