1. Description
CKWZ is a three-phase AC outdoor vacuum circuit breaker maximum up
to 24kV rated voltage and 50Hz rated frequency.
2. Working Condition
2.1 Ambient air temperature: -45℃～+40℃,daily range of temperature:
diurnal variation 25℃
2.2 Relative humidity: daily average data ≤95%, monthly average
data ≤90%
2.3 Seismic capacity: ≤magnitude 8, horizontal acceleration ≤ 0.4g,
vertical acceleration ≤ 0.2g
2.4 Altitude: ≤1000m
2.5 Pollution classification: IV.
2.6 Wind speed: ≤35m/s
2.7 Applicable in the places without fire, without explosion risk,
and without violent vibration
(Exceeding above working condition is available as customized
product)
3. Standard
---- GB1984-2003
---- GB/T11022-2011
---- GB/T11023-1989
---- GB311.1-1997
---- DL/T593-1996
---- DL/T402-1999
---- GB/T3309-1989
---- DL403-1999
---- IEC62271-100
