GeneralThe "(H)GW9-12" outdoor high voltage switch equipment of
single phase AC 50Hz.The product is suitable for power systems with
a rated voltage of 10kV to make or break power supply under
circumstances of voltage and no load. The isolator adopts an
isolated hook rod to operate.Service conditions1. The altitude does
not exceed 1000m.2. The ambient air temperature: Maximum:+40ºC;
Minimum:-30ºC, Paramos:-40ºC3. The wind pressure does not exceed
700Pa. (corresponding to 34m/s wind speed).4. The earthquake
intensity does not exceed 8 degrees.5. The working situation hasn't
frequent violent vibration.6. The installation site of an ordinary
type isolator should be kept away from gas, smoke chemical
deposition,salt-spray fog, dust, and other explosive and corrosive
matters that affect seriously the insulation and conduction
capability of the isolator.7. Pollution-proof type isolator is
applied to severe filthy conduction area; however, it shouldn't be
any explosive matters and matters causing a fire. Technical
parametersNo.ItemUnitData1Rated frequencyHz502Rated
voltagekV123Rated currentA630(1250)4Rated short-time withstand
current and durationkA/s20(25)/45Rated peak withstand
currentkA50(63)6Rated short-time power frequency withstand
voltageInterphase, to earth(dry)kV/min42/1Interphase, to
earth(wet)30/1Break(dry)48/1Break(wet)36/17Rated lightning impulse
withstand voltageInterphase, to earthkV75Break858Circuit
resistanceμΩ≤809Mechanical lifeTimes300010Pollution grade e
class11Creepage distancemm≥372Note: If the altitude is over 1000m,
the rated insulation level should be modified as appropriate./*
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