Zhuhai Comking Electric Co.,Ltd.
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1. Description
CKVB-12/T is an indoor medium voltage circuit-breaker with vacuum interrupter for arc extinguishing and working in a voltage range maximum up to 12kV.
2. Working Condition
2.1Ambient humidity:
----maximum temperature +40℃
----minimum temperature -15℃
2.2Humidity
----maximum relative average daily humidity 95%
----maximum relative average monthly humidity 90%
2.3 Altitude: max. up to 1000m
3. Standard
----GB/T1984-2003
----IEC62271-100
----GB/T16927-1997
----GB/T4473-2008
----DL/T403-2000
----JB/T3855-2008