The ZW7A-40.5f high voltage vacuum ciecult breaker adopts a uniquely designed spltpole and a highy relable aperating mechaniom. This device is mainly wsed for mediumvoltage avertead power lines, as a combination of breaking and closing load currents,averioad currents, and short-circult cuments.
Extremely relable
Completaly maintenance free throughout the antire Hespan
Has high mechanical and electrical lfespan
The whole machine has a large volume, Ight weight, and is easy to install
Structureand workingprinciple
The ZWTA-40.SF Indoor high-voltage vacuum circult breaker mainly consists ofintegrated pole, current transformer, operating mechanism, and box, This modet ofcircult breaker is designed with a U-shaped design, and the cuter shell Is made ofhigh-qualty steel casing, Current transformers can be selected according to userneeds.