M Series Motor Product Introduction
The protection levels of M series three-phase asynchronous motors are IP23, IP24(W), IP55(W), IP65(W)
The rotor is a squirrel cage rotor or a slip ring (winding) rotor - fixed brush or automatic brush
The bearings are oil-lubricated sliding bearings, grease-lubricated anti-friction bearings (with labyrinth seals), and oil-lubricated anti-friction bearings.
Under IEC standards, motor housings with frame sizes from 280 to 500 can only be made of welded steel plates.