JR series of winding three-phase asynchronous 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 Use Ambient temperature: -15°C--40°C Altitude: not exceed 1000m Rated voltage: 380V/660V ± 5% Rated Power: 50Hz working system: S Protection grade: IP23 Rated temperature: 80 Installation Type:F The basic structure: B3; Installation Type: B3 Electrical performance indicators: (380/660V) FramePower(kW)Rated(A)Speed(r/min)Efficienc%Power factor(cosφ)MaximumtorqueRotorWeight(Kg)RatedtorqueVoltageCurrentSynchronous speed 1000r/minJR91-65510296789.50.842.042483640JR92-67514096990.00.852.353787690JR115-67514296891.060.8822.63130367950JR116-69517897292.130.8792.781703511090JR117-611521292.420.8892.961883831110JR125-6JR126-613015524629297797891.792.150.8720.8751.881.8518721844145314501530JR127-618535098092.50.8701.892544621680JR128-62153949800.8802.813204141770JR136-624042498293.50.9182.304103651970JR137-628049398593.90.9172.584913522030JR138-632057098693.20.9182.72545356