Product Name: Moulded Case Circui Breaker of Rdm6n-250 3p Model NO.: RDM6 Certification: ISO9001-2000, CE, CCC Function: Conventional Circuit Breaker Type: Circuit Breaker Poles Number: 3p or 4p Structure: MCCB Installation: Fixed Arc-extinguishing Medium: Air Speed: Normal Type Circuit Breaker Operation: Manual Type Breaking Capacity: Low Voltage Circuit Breakers Frequency: AC 50Hz Rated Insulation Voltage: 690V Rated Operational Voltage: up to 400V Rated Current: up to 400A Operate Mode: Handle Operate, External Rotation Handle Operate Short-Circuit Breaking Capacity: Normal Type and High Type Poles: 3p or 4p Trademark: PEOPLE Transport Package: Carton Specification: CE, CCC, CB Origin: China HS Code: 853620000 Product Description ApplicationRDM6 series Moulded case circuit breaker,mainly applied to the circuit of AC50Hz,rated insulation voltage 690V(control circuit voltage 400V) ,rated operational voltage up to 400V,for power distribution and overload,short-circuit and undervoltage protection.And circuit breaker which frame size rated current below 400A can be used to infrequently stating and stop squirrel cage motor and protect motor overload,short-circuit and undervoltage.This production conforms the standard of IEC60947-2 and 14-48.2-2008.Normal operational conditions and installation conditions3.1 Temperater: no higher than +40ºC,and no lower than -5ºC,and the day average temperature no higher than +35ºC.3.2 Altitude: no higher than 2000m3.3 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,Accessory pollution class is 2Class.3.5 Main circuit breaker installation type:III Class3.6 Installation basic conditon:Vertical installation