ZW43-12 model outdoor AC vacuum circuit breaker is used to
make and break load current, overload current and short-circuit
curren t in12kV, 50/60Hz power system. Its applicable for
substations, industry and mining, urban and rural electricity
power networks, especially applicabl e in occasions wi th
f req uent operation and automatic power distribution network.
It accords w ith the standard of IEC62271-100 & GB1984 AC
high voltage circuit breaker, GB/T 11022 HV general technical
requirement of switch and control apparatus.

1. Mini vacuum arc extinguish
High reliability; small volume; long life time; fixed inside the
epoxide resin.
2. Epoxide resin sealing
Anti-ozone, anti-ultraviolet; It is firm, light and convenience for
transport.
3. Permanent magnet mechanism
Small volume, reliable performance, non-maintenance.
4. Manual breaking
Improve the reliability, It can operate under the urgent condition.
5. Direction tester
It mounted on the linkage axial to check the opening and
closing direction.
6. Switch case
Aluminium-alloy material, anti-rust steel and armor plate.