Application
RDM11 seires Moulded case circuit breaker,mainly applied to the circuit of AC 50Hz,rated insulation voltage 750V,rated operating voltage 690V or below,rated current up to 630A.In the regular situation,this production is used for transiting the circuit and starting the motor unfrequently.And it has the function of overload,short-circuit and under-voltage protection.
This production is applied to insulation.
This production conforms to the standard of IEC 60947-2 and GB14048.2-2000.
Normal operational condition and installation condition
3.1 Temperature :not exceed +40ºC,and the day average value not exceed +35ºC,not below -5ºC
3.2 Altitude:not exceed 2000m,
3.3 Humidity:the relative humidity shall not exceed 50% when it at +40ºC.
And it has the lower temperature,the higher humidity is accepted,like 90% humidity is accepted when the temperature is +20ºC.And teh special measurement should be taken for condensation caused by temperature changes.
3.4Pollution class:3 class
3.5 Installation type:III type.The vertical install and horizontal installation
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