Vacuum Circuit Breaker - Solid Insulated Epoxy Resin Design, 12kv Rated Voltage Up To 4000a | High-strength Alumina Ceramic Interrupter, Manual Or Motor Operation

We are engaged in manufacturing, exporting and supplying excellent quality Vacuum Circuit Breaker to our valuable clients.

1. General description:
CKVB-12/24/G is a solid insulated vacuum circuit breaker with epoxy resin pole and working in a voltage range maximum up to 12KV. The CKVB-12/G family includes CKVB-12/GA, CKVB-12/GB, CKVB-12/GC, and CKVB-12/GD.

2. Technique feature:
Conductive part and ceramic vacuum interrupter are sealed inside epoxy resin embedded pole, which makes it superior to the normal breaker.
Vacuum interrupter is made of high-strength alumina ceramic material, what is more, its contact is in cup shape and with longitudinal magnetic field structure. It makes the interrupter to have excellent performance.

Operation method: by manual or motor.

Power for electric operation: DC/AC 220V, DC 110V

Rating: rated voltage maximum up to 12KV, rated current up to 4000A, 50Hz.

Application: suitable for power station, substation or distribution system of 12KV power system.


3. Working Condition:
--Altitude: <=1000M
--Ambient temperature: -25C~+40C
--Relative average daily humidity: <=95%
--Relative average daily water vapor pressure: <=2.2kpa
--Earthquake degree: <=8
--Applicable in the places where ambient air doesn't obviously pollute by dust, smoke, corrosive or combustible gas, vapors or salt spray.
--Exceeding above working condition is available as customized product

4. Technique Data:
Pole centre: 150mm/210mm/275mm/200mm