450kw Jr Series Wound Rotor Slip Ring Motor Ball Mill Motor

• Application: Industrial
• Operating Speed: Constant Speed
• Number of Stator: Three-Phase
• Species: Jr /Jr2
• Rotor Structure: Winding Type
• Casing Protection: IP23
• Model NO.: Jr1410-8-450kw
• Number of Poles: 8
• Starting Mode: Serial Rotor Resistance Starting
• Certification: ISO9001, CCC, Ce
• Brand: China Mtoor
• Protection: IP23
• Voltage: 380V/415V/660V/3kv/6kv/10kv
• Nsulation Class: F
• Stator Winding: 100%Red Copper
• Driving: Ball Mill,Steel Rolling Mill,Sugar Rolling Mill
• Cooling Method: IC01
• Rotor Winding: 100%Red Copper
• Advantage: Strong Ability for Instantaneous Overload
• Frequency: 50Hz/60Hz
• Transport Package: Plywood Case
• Trademark: ZCL
• Origin: Shijiazhuang, China
• HS Code: 8501530090
• Production Capacity: 300 PCS Per Month

Product Description

The JR ball mill special winding slip ring motor is an improved new product motor that meets the relevant international technical conditions.
JR ball mill motor adopts rotor string resistance full-voltage start-up, which has the advantages of small starting current, large starting torque, high efficiency, low noise, low vibration, good ventilation performance, reliable operation, convenient installation and maintenance.
JR ball mill motors are widely used in mining machinery, such as ball mills, crushers, etc. It can also drive a variety of different machines such as fans, compressors, pumps, cutting machines, transport machinery and other equipment.

Motor power range: 95KW-780KW
Rated voltage: 380V/415V/660V/690V/3000V/33000V/6000V/10000V
Number of poles: 6/8/10/12
Rated frequency: 50Hz/60Hz
Protection level: IP23
Cooling method: IC01
Working system: S1
Insulation class: F
Wiring method: △
Installation method: B3 (horizontal installation)
Ambient temperature: ≥ -15 ° C and ≤ 40 ° C
The deviation of the rated voltage of the JR ball mill motor does not exceed 5%, the allowable deviation of the frequency is 1%, and the sum of the absolute values of the deviations does not exceed 5%.

JR ball mill motor adopts rotor string resistance full-voltage start-up, which has the advantages of small starting current, large starting torque, high efficiency, low noise, low vibration, good ventilation performance, reliable operation and convenient installation and maintenance.


The company has large-scale laboratory, intelligent CNC winding machine, CNC rising machine, automatic wrapping machine, VPI high pressure vacuum immersion system, large-scale dipping paint drying furnace, 60 tons test platform, large vertical car, milling machine, grinding machine, Each type of dynamic balancing machine, double-feedback test and detection system with 6MW (12MW) motor and other motor production professional equipment more than 500 sets, sound mechanical equipment processing capacity, to lay a good foundation for customers to improve good quality motor products.


Our company's motor manufacturing factory adheres to the concept of green, efficient and energy-saving production service, pays attention to the harmonious development of internal and external environment, builds environmentally friendly motor manufacturing enterprises, strictly implements motor standard process, and selects high-quality energy-saving materials to ensure the quality of motor products.


The company insists on providing high-quality motor products and services to users, and has won high praise from many domestic and foreign customers. The company will receive many foreign merchants to visit our factory every year, and establish a good cooperative relationship through on-site inspection of our factory. Our company always welcomes customers to visit our factory.