Standard Heavy-duty Cast Iron 225S Frame
Dedicated 225S frame for 50hp/37kW high power, integrally cast thickened cast iron with triple reinforced base ribs, resisting deformation and cracking under high-torque loads.
Extra-wide Low-loss Laminated Silicon Steel Core
Widened and lengthened stator & rotor laminates with optimized magnetic circuit, cutting no-load core loss and operating harmonics for lower temperature rise and quieter electromagnetic performance at rated power.
Class F Pulse-resistant High Voltage Insulated Windings
Stator coils with thickened Class F insulation up to 155℃, fully sealed via full vacuum varnish impregnation, resisting VFD pulse surges and maintaining stable insulation in oily & dusty environments.
Extra High Starting Torque for Heavy-duty Equipment
The large core delivers abundant magnetic flux and torque reserve, enabling direct full-load startup of ball mills, heavy extruders and large hoists without stall or overcurrent tripping.
Reliable Heat Dissipation for Round-the-clock Operation
Integrated widened cooling ribs and balanced large-diameter fan keep temperature rise within safe limits during 7×24-hour continuous full-load operation at 37kW.
Universal Compatibility with Full Mounting Types
Integrated widened cooling ribs and balanced large-diameter fan keep temperature rise within safe limits during 7×24-hour continuous full-load operation at 37kW.
Q:What kW rating matches the 225S 50hp motor, and what is the difference between 225S and 225M frame?
A:It is rated at 37kW. 225S is short-core standard model for intermittent heavy loads; 225M features extended core with higher torque for non-stop 24-hour production lines.
Q:What bearing size comes with this 225S high-power motor, and how frequent is maintenance needed?
A:Model 6314 heavy-duty bearings are fitted on both ends. Refill high-temperature grease every 3000 hours under 24-hour continuous operation.
Q:Can the 50Hz 225S motor be customized to 60Hz for overseas markets?
A:Multiple voltage options including 380V/415V/460V are available for both 50Hz and 60Hz, compatible with industrial power grids across Europe, America and the Middle East.
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