ZW32-12 Type Outdoor HV Vacuum Circuit BreakerGeneral
DescriptionZW32-12 type outdoor high voltage vacuum circuit breaker
is three-phase AC,50(60) Hz outdoor power distribution
equipmentwith the rated voltage of 12kV. It is mainly used to break
and close the load current and short circuit current in the
electric power system.It fits to be used to protect and control the
circuit in substation, mining and industrial enterprises. It also
can be used in the frequentlyoperation places such as the rural
power network. The product is accordance with GB1984-2003
standard.The ZW32-12G VCB -Isolating switch combination consists of
Vacuum circuit breaker body and isolating switch.Applying ambient
conditions1.Ambient temperature:-30ºC~+40ºC.2.The height above sea
level:≤1000m(besides the special requirements).3.Relative
humidity:the average humidity of a day should be no more than
95%;the average humidity of a month should be no more than
90%.4.Saturated vapor pressure:the average pressure of a day should
be no more than 2.2kPa;the average pressure of a month should be no
more than 1.8kPa.5.Earthquake intensity:not exceed 8 degrees.6.Wind
pressure should be no more than 700pa(it is equivalent to wind
speed of 34m/s).7.The air filthy should be within III degree.8.It
should be installed in the places without fire, explosion, serious
filth, chemical erosion and violent vibration.Technical Data
S.NNameUnitData1Rated voltagekV122Rated frequencyHz50/603Rated
currentA6304Rated short circuit breaking currentkA205Rated short
circuit making currentkA506Rated peak withstand currentkA507Rated
short time withstand currentkA208Rated short-circuit
durationS4Welcome for enquiry and factory visit!/* January 22, 2024
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