Zw7-40.5 Series Outdoor High Voltage Electrical Equipment Vacuum Circuit Breaker Vcb

Customized products can consult online customer service! PRODUCT DETAILSoutdoor high voltage vacuum circuit breakerDescription:        ZW7-40.5 type outdoor high voltage vacuum circuit breaker is the three-phase AC 50Hz outdoor high voltage electrical equipment, suit for control and protection of 20-40.5kV transmission and distribution system; can also be used for sectional circuit breaker and switching capacitor bank occasions; this product can be matched with piecewise controller, reclose device can realize the power system intelligent segmentation, reclose control. And can add the current transformer for measurement and protection. Circuit breaker equipped with spring or electromagnetic actuator, reliable mechanical performance, frequent operation; no fire and explosion danger; circuit breaker conforms to the national standard GB19841989 "AC high voltage circuit breaker" and the International Electrotechnical Commission Standard IEC56, IEC62271-100 "high voltage AC circuit breaker" requirements. The main characteristics of circuit breakerExcellent braking performance, use vacuum arc, high breaking capability, mechanical life of up to 10000 times, has the advantages of simple structure, free maintenance, no maintenance cycle long; good insulation performance, good anti-contamination ability; can be installed current transformer according to customer requirements, the measurement accuracy up to0.2 class, can realize the three-phase interactive protection.The technical parameters of the form are for reference only.Customized products can consult online customer service!  ItemUnitParameterVoltage, current parameters  Rated voltagekV40.5 Rated short time power frequency withstand voltage (Imin)kV95Rated lightning impulse withstand voltage (peak)kV185Rated currentA1250, 1600, 2000Rated short-circuit breaking currentkA25, 31.5Rated operating sequence O-0.3s-CO-180s-CORated short-circuit current breaking timestimes12Rated short-circuit closing current (peak)kA63.80Rated peak withstand currentkA63.80Rated short-time withstand currentkA25, 31.5Rated short-circuit current durationS4Average opening velocityms1.5±0.2Average closing speedms0.7±0.2Contact closing bounce timems