Motor Engine

JR slip-ring motor for the old series of motors, electromagnetic calculating the insurance coefficient, strong overload capacity.JR series motor using total pressure rotor resistor string starts with a startup current, starting torque, and efficiency, low noise, little vibration, ventilation performance, reliable operation and easy installation and maintenance advantages.JR Series motors widely used to drive a variety of general machinery such as re-rolling mill, cement mill, steel mill ,compressors, pumps, brake, lifting machine and other mechanical transmission equipment, ball mill, blowers, pumps and wire drawing machines and other machinery and equipment..Conditions of UseAmbient temperature: -15°C--40°C    Altitude: not exceed 1000m     Rated voltage: 380V/660VRated Power: 50Hz     working system: S    Protection grade: IP23    Rated temperature: 80Installation Type:FThe basic structure: B3;    Installation Type: B3