ZW32-12 AC HV vacuum circuit breaker is a three-phase outdoorswitchgear of 50 Hz frequency and 12kV rated voltage. It is mainlyapplied to urban and rural grid, converting stations, and powerdistribution system in industry and mining. Used to make and breakload current, over-load current and short-circuit, it is especiallysuitable for frequent usage and non-oil transformation applicationfor its particular performance.

Featured by three-phase polars and operational mechanism, ZW32-12is quite easy to be operated. Vacuum Interrupters are directlycasted into the insulating housing to get rid of short circuitcaused by condensation. Designed by outdoor epoxy resin or siliconrubber as its outer insulation material, ZW32-12 is characterizedby its powerful anti-pollution ability, and high temperature,ultraviolet ray, and aging resistance. Moreover, it ischaracterized by its compact structure, small volume and weight, aswell as easy installation. Its current transformers are fixedoutside of the output terminals for easy maintainance andreplacement. It is a enviroment friendly product without any oiland SF6 inside.

Working Environment:
A) Ambient temperature: -45 degree ~ 40 degree; Daily temperaturedifference: 25 degree
B) Ambient Relative Humidity: Daily average ≤ 95%; Monthly average≤ 90%; Saturated Vapor Pressure: Daily average ≤ 2.2 x 10-3 Mpa;Monthly average ≤ 1.8 x 10-3 Mpa
C) Altitude: ≤ 1000m
D) Earthquake intensity: ≤ 8 degree
E) Wind speed: ≤ 35m/s
F) Pollution level: IV
J) No fire, explosion, chemical corrosion and frequent seriousshaking

If more strict working environment is required, please contact withsupplier for confirmation and technical measures.

Standard
GB 1984 HV AC Circuit Breaker
GB/T11022 HV AC Switch General Technical Condition
JB3855 3.6~40.5kV Indoor HV AC Vacuum Circuit Breaker
DL/T402 HV AC Circuit Breaker Ordering Technical Conditions
IEC56 HV AC Circuit Breaker