RDM10L series earthleakage circuit breaker,is applied to circuit of frequency 50Hz,Rated current up to 400A,rated operate voltage 380V,and whoes power-supply neutural point connects to ground.And it is used to prevent the fire dange which cause by grounding fault becasue of equipment insolation damage.
And it is applied to pretect circuit against overload and short-circuit,and it also works for circuit unfrequently transfering and motor unfrequently starting.
The protect multifunctions are provided,such as gounding fault,overload,short-circuit,overvoltage,undervoltage,and phase-loss,faulted neutral line.
This production conforms to the standard of IEC60947-2 and GB14048.2.
Normal operational conditions and installation conditions
3.1 Temperature: no higher than +40ºC,and no lower than -5ºC,and the day average temperature no higher than +35ºC.
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
3.5 Maximum install inclined angle: 5°,it should be installed at the place without obvious impact and weather-influence. Upper terminal for power-supply side,Lower terminal for loading side.
3.6 Installation type:III
3.7 Installation electromagnetic environment:B type
3.8 External magneticfield of installation location should be exceed than 5 times of earth magnetic field.
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Main Techical data
|Model||Frame size rated current Inm(A)||Rated operate voltage Ue(V)||Rated frequency(Hz)||Pole||Rated current In(A)||Rated residual action current IΔn(mA)|