ZW7-40.5 outdoor high voltage vacuum circuit breaker
zw7-40.5 series high voltage outdoor circuit breaker can be used for 50hz40.5kv outdoor high voltage electrical equipment. | |
vacuum interrupter is installed in upper part of ceramic insulator. it has characteristics of well tightness and high temperature endurance,non-combustion and non-exploration, easy mounting,anti-aging and long service life. |