Three‑Phase Asynchronous Motor 225M4B (45 kW)

The 225M4B is a three‑phase asynchronous motor manufactured by Motogen Co. with a rated power of 45 kW (60 HP) at 50 Hz. The motor features a cast iron frame, IP55 protection, and insulation class B/F. It has a rated speed of 1471 rpm, torque of 292 N·m, and power factor 0.87. Starting current ratio (Is/In) is 6.6 and starting torque ratio (Ts/Tn) is 2.9. The motor has a moment of inertia of 0.4195 kg·m². Bearings are 6314-Z on both ends. Stator winding is copper, rotor winding is aluminium. Mounting type is IMB35. This heavy‑duty motor is suitable for demanding industrial applications including pumps, fans, compressors, conveyors, and crushers.