YVF3 series motors can be used in all kinds of transmission devices which need speed regulation. They are widely used in light industry, textile, chemical industry, metallurgy, lifting, machine tools and other industries. Like Geaboxes, Industrial Roller drives. 

Main parameters: 
power range: 250-900kW; seat number: 355-450;
voltage and frequency: 380V/50Hz, 660V/50Hz; cooling mode: IC416; constant torque speed regulation frequency range: 25-50Hz;
constant power speed regulation frequency range: 50-60Hz (for 2-pole motor), 50-75Hz (for 4-pole motor), 50-100Hz (for 6-8-pole motor;
connection method: motor adopts Delta connection;
protection level: IP55 Insulation grade: 155 (F) insulation;
ambient temperature: - 15 C to + 40 C; altitude: altitude not exceeding 1000 meters.

Our Electric Motors included Ordinary Motors , Explosion-proof Motors, Variable Frequency Motors, High Voltage Motors, Wind Power Motors, Marine Motors. Our Motors are widely used as Metallurgy mill roller drive. Plastic Film Roller and Industrial Rollers drive. They are equipped with excellent quality bearings. We supply quality gearboxes as well.