ZW43 Vacuum Circuit Breaker

To switch on/off load current, over-loading current and short-circuit current in the electrical system; for protection and control in transformer substation and distribution system in industrial and mine enterprise.State-of-art international insulator sealing technology is adopted to equip the product with outstanding outdoor conditions endurable ability. The contradiction of compact vacuum quenching pot to meet the requirement of insulation is fully solved. And therefore it's in extensive application. The product is light, compact, good-looking and is able to realize intelligent network distribution. Technical Parameter: Rated voltage(kV): 12 ;15 Rated current(A): 630 Power frequency resisting voltage(kV)42 Lighting impulse resisting voltage(kV)75 Rated short-circuit breaking current (Value of the current in amperes)(kA) 2025 Rated short-circuit controlling current (Peak) 5063 Rated machine stabling current(Maximum)(kA): 5063 4S heat-stabling current(Maximum)(kA):2025 Times of rated short-circuit breaking current30 Maching life: 10000 Automatic striking and grinding thickness(mm)2 Current seperated and rated(A)5 Gross weight(kg): 40-50