ZW7-40.5 Freien Hochspannung Vakuum-Schaltung zu unterbrechen

ZW7 series outdoor high- voltage vacuum circuit breaker is available for AC 50Hz, 40.5kV outdoor high-voltage electrical equipment. Attached spring mechanism or electromagnetic bodies to remote control electric opening and closing breaker, and also can be manual storage, manually open and close. Design performance meet GB1984 "AC high-voltage circuit breakers," the national standard. And meet the IEC-60056 "exchange of high-voltage circuit breakers," International Electro technical Commission standards. ZW7 series outdoor high-voltage vacuum circuit breaker is mainly used for outdoor 35kV power transmission system control and protection, are also applicable of short circuit protection in urban & rural power, in the normal operation of industrial & mining enterprises. The overall structure of the insulator is porcelain insulator; the upper is vacuum interrupter, support porcelain insulator for the next part. Widely used for frequent operation place. And has good sealing, anti-aging, high pressure, no burning, no explosion, long life and easy installation and maintenance. And with protection box, can achieve full load protection, and intelligent controller to be achieved with distribution automation. Usage environmental Ambient air temperature: up to +40 °C, minimum -30 °C (general area), -40 °C (cold areas)