Description
1.Description
CKVB**4/G is a solid insulated vacuum circuit breaker with
epoxy resin pole and working in a voltage range maximum up to *4kV.
The CKVB**4/G family includes CKVB**4/GB, CKVB**4/GE.
2. Working Condition
2.1Ambient air temperature: **5℃~**0℃
2.2Ambient humidity:
***-relative average daily humidity: ≤*5%
***-relative average daily water vapor pressure:
≤2.2kPa
***-relative average monthly humidity: ≤*0%
***-relative average monthly water vapor pressure:
≤1.8kPa
2.3Altitude: ≤***0m
2.4 Earthquake intensity: ≤magnitude 8
2.5 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)
3. Standard
***-GB********3
***-IEC*********1
***-GB/T*********7
***-GB/T ********8
***-DL/T*******0
***-JB/T********8