Technical information

Hoyer IE3 electric motors are manufactured according to the efficiency class system specified under IEC 60034-30. They have a proven high quality, reliability and performance.
The motors are asynchronous low voltage three-phase TEFC squirrel-cage motors. Type HMA3 (aluminum) size 80-132 and HMC3 (cast iron) size 160-400. All cast iron and aluminium motors are provided with SKF or similar premium quality bearings and 3xPTC in windings. Motors in size 80-180 have closed bearings greased for life. As standard all Hoyer IE3 motors have fixed bearing in drive end.

All IE3 motors are provided with blind caps in all supply connections and are as standard IP55, prepared for drain holes and painted RAL 9005 low gloss.

400V Y – Hoyer IE3 Motors ≤ 3 kW
400V D – Hoyer IE3 Motors ≥ 3 kW

Other voltages are supplied on request.