JR138-8 Ball Mill Motor

In the demanding worlds of mining, cement production, and mineral processing, ball mills are indispensable for size reduction and material grinding. The performance of these industrial workhorses hinges entirely on the reliability and power of their drive motor.

The JR138-8 280kW, 380V motor（Three-phase asynchronous motor） is a specialized industrial electric motor designed specifically to meet the rigorous demands of driving ball mills and other heavy-duty equipment. This robust, high-torque motor ensures your grinding operations start smoothly, run continuously under heavy load, and deliver optimal productivity.

Technical parameters of the JR138-8 motor:

Power: 280 kW

Rated Frequency: 50 Hz

Rated Speed: 736 r/min

Stator: 380V 518A

Rotor: 452V 365A

Weight: 2600 Kg

Efficiency: 93.6%

Applications

The JR138-8 280kW motor is ideally suited for driving various heavy industrial equipment, including:

Ball Mills & Rod Mills: Its primary application, providing reliable power for grinding ore, cement clinker, raw materials, and other minerals in both wet and dry processing plants.

Crushers & Pulverizers: Where high starting torque is needed to break down large, hard materials.

Large Fans & Blowers: Especially those requiring controlled starting.

Conveyors & Other Material Handling Equipment: For heavy-duty, long-distance systems.

Compressors: Especially larger piston-type machines.