HH3 series sealed type load switch, is applied to AC circuit of rated operate voltage 380V,rated operate current up to 600A,frequency 50Hz,as unfrequently making and breaking the load circuit manual to protect the circuit against faults of overload and short-circuit .
This product conforms to standard of GB14048.3-2002 and IEC60947-3.
Normal operational conditions and installation conditions
3.1 Temperater: no higher than +40ºC,and no lower than -5ºC
3.2 Altitude: no higher than 2000m
3.3 The relative humidity: no more than 50%,when temperature is +40ºC.The product can withstand higher humidity under lower temperature,for instance,when it at +20ºC,the production can withstand 90% relative humidity.
The condensation that happened because of temperature changes should be taken care.
And Installation location should have no exploresion danger, and no gas and conductive dust which can cause corrosion and insulation damage.
3.4 Class of pollution: 3 Calss
3.6 Installation type:III, IV.
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Main technical parameter
|Model No.||rated operate votlage(V)||rated operate current(A)||rated ultimate short-circuit current(kA)||rated insulation votlage(V)||conventional heating current(A)||rated impulse withstand voltage(kV)||Use type|