ZW32-24 outdoor vacuum circuit breaker (hereinafter referred to as circuit breaker) is an outdoor distribution equipment with rated voltage of 24kV and three-phase ac of 50Hz. lt is mainly used for switching on and off load current, overload current and short circuit current in power system. It is suitable for the protection and control in the power distribution system of substations, industrial and mining enterprises, and the places where the rural power grid operates frequently.
This circuit breaker has the characteristics of small size, light weight, anti- condensation, maintenance-free, etc.
GB 1984 "AC high voltage circuit breakers"
GBI 1022 "General technical requirements High voltage switchgear and controlgear"
GB3 I I .1-6 "Insulation coordination of high voltage transmission and distribution equipment"
GB763 "Heating of AC high voltage apparatus under long term working"
GB2706 "Test methods of dynamic, thermal steady current on AC high voltage apparatus"
GB3309 "Mechanics test on AC high voltage apparatus under normal temperature"
DLff593 "Technical conditions for ordering AC high voltage equipment"
Model and meanings
Main technical parameters