1. Rated voltage:12KV 2. Rated current:630A 3. 6.3KA, 12.5KA,20KA 4.ZW8-12 Vacuum Circuit Breaker

Application

ZW8-12  outdoor high voltage vacuum circuit breaker is rated voltage 12KV, three-phase AC 50Hz outdoor high voltage switchgear is mainly used to breaking Closing Rural power network , city network and small power system load current, overload current, short-circuit current . The product of the overall structure is box-type three-phase, three-phase vacuum interrupter placed in metal boxes, using SMC insulation material and inter-phase insulation and ground insulation, reliable performance, high dielectric strength.

Rated voltage:12KV

Rated current:200A,400A,630A,1250A

Rated short-circuit breaker current:6.3KA,12.5KA,20KA

Rated little withstand current (heat stabilized current):25KA,31.5KA

Rated operation order:Off-0.3S on and off -180S-on and off

Mechanical life-span:10000times

Features a.  The breaker is adopted the vacuum in terruption and has strong ability of closing and long life time. This mechanical life reaches 10000 times.b.    The structure is simple and maintenance-free. It also has long period of no-overhaulingc.   It has the characters of good insolating ability and strong stain removal ability.d.   Spring and magnetic control mechanism can be configured. Mechanical energy is reliable and can be used frequently. There is no hidden trouble of fire and bombing.e.   Inside, mutual inductor of which measuring accuracy reaches 0.2 is installed. It can realize the protection of triphase differential.f.   There is controller inside, which can protect the breaker operating under the condition of certain temperature and humidity. 

ZW8-12 HIGH VOLTAGE Vacuum Circuit Breaker