Machine base number: H112~500 Capacity: 1.1~315KW Pole number: 4-12P Protection level: IP55 YGP series roller conveyor variable frequency speed three-phase asynchronous motor, frame number: H112-500, capacity: 1.1-315KW; Reference voltage: 380V, 400V, 660V, 690V, etc., reference frequency: 50Hz or 30Hz, pole count 4-12P. Protection level: IP55, with a wide speed range (up to 1-120Hz), strong overload capacity (up to 2.8-4 times the rated torque), large low-frequency starting torque, especially at 1Hz, the starting torque can reach 1.3-1.8 times the rated torque. Under special usage requirements, the minimum rated frequency can reach 8-15Hz without pulsating impact phenomenon. Suitable for specialized equipment in the roller conveyor of metallurgical steel rolling industry.