ZW6-12/t630-20 type indoor high voltage vacuum circuit breaker is appropriate to 50Hz three phase alternating current system, applicable to open and close loading current. The function of this product is protection of overload or short circuit, and auto recloses. It can also assemble surge current delay protector or disconnecting switch with function of lighting protection.

Operation structure of this circuit breaker is CT23 spring energy saving operation structure, which can be dividing into motor and manual.

Ambient condition

1 Ambient temperature: max +40°C min –40°C

2 Altitude: ≤2000m

3.Wind pressure: ≤700Pa(equals to wind speed 34m/s)

3 Relative humidity: daily average relative humidity: ≤95%; monthly average relative humidity≤90%

4 Air contamination degree: III degree, far away from corrosive and combustible gas

5 No frequent violent vibration

6 Silicon rubber which is used as isolate medium should meet the appliance field requirement of GB655386.

Order instruction

Complete model and order quantity of the product

Rated current, rated voltage, rated breaking current

Transform ratio of assembled current mutual inductor

Operation pattern (electrical or manual)

Operation voltage

Application place

Other requirement please contact with us directly