Outline

ZW32-12 type outdoor vacuum circuit breaker (hereinafter referred to as breaker) for the rated voltage 12kV, three-phase AC 50Hz outdoor distribution equipment. Mainly used for breaking, closing power system load current, overload current and short circuit current. For substation and industrial and mining enterprises distribution system protection and control of workplace use, and frequent operation of rural power grids.

The circuit breaker has small size, light weight, anti-condensation, maintenance-free characteristics, can adapt to poor weather conditions and dirty environments.

Type Meaning

Standards compliant

GB1984 "AC high voltage circuit breakers"

GB11022 "high-voltage switchgear and control equipment standards common technical requirements"

GB311.1-6 "insulated high voltage transmission and distribution equipment."

GB763 "AC high voltage electrical work in long-term fever"

GB2706 "AC high voltage electrical dynamic and thermal stability test methods"

GB3309 "high voltage switchgear at room temperature mechanical test"

DL / T593 "common ordering technology high voltage switchgear"