Products

World Efficiency Motors

Hoyer World Efficiency Motors are designed to meet various efficiency requirements across markets. The range offers great opportunities for global OEM's in pursuit of supply chain optimisations as well as energy savings.

Technical Information

The design is based on our successful IE3 and IE4 motor ranges, offering proven high quality, reliability and performance across a wide range of applications.

The motors are asynchronous, low voltage three-phase TEFC squirrel-cage motors, available in three configurations to match different market and efficiency requirements.

 

Motor type
HMA3 (aluminium), HMC3 (cast iron), HMC4 (cast iron)
Frame sizes
80-132 (HMA3) · 160-355 (HMC3) · 280-355 (HMC4)
Efficiency
NEMA Premium / IE3 / CEL grade 2 (HMA3, HMC3) · NEMA Super Premium / IE4 / CEL grade 2 (HMC4)
Output
0.75-315 kW (HMA3, HMC3) · 75-315 kW (HMC4)
Approvals
CE, UL, CSA, NEMA Premium, CEL (HMA3, HMC3) · CE, UL, CSA, NEMA Super Premium, CEL (HMC4)
Protection
IP55, blind caps, drain hole prepared, C3L corrosion protection per ISO 12944-5:2018 (RAL 9005 low gloss)

All cast iron and aluminium motors are fitted with SKF or similar premium quality bearings and 3×PTC in windings. Motors size 80-180 have closed bearings greased for life, with fixed drive-end bearings as standard on all Hoyer World Efficiency motors. All models comply with IEC standard frame dimensions and carry UL/CSA approval, supporting deployment across global markets.

Ningbo Warehouse 52

Hoyer World Efficiency Motors – Built for Global Markets

World Efficiency Motors are designed according to IEC standard sizes as standard and are UL/CSA approved.

The motors serve industries requiring energy-efficient solutions, particularly in fans and HVAC systems, hydraulics systems, pumps, and wind turbine applications.

All motors include dual nameplates as standard, with additional sets supplied for flexible installation depending on your application requirements.