MRO (Maintenance, Repair & Operations)

U.S. MOTORS® brand general purpose and application-specific motors are available in single phase and three phase, off-the-shelf and in special configurations for residential, commercial and industrial applications. From fractional to 4,000 horsepower, we’ve been designing and building quality electric motors for more than a century.

Whether you need to replace a residential furnace blower motor, a medium voltage motor in a power generation facility, or a C-face motors on a factory conveyor, versatility is a hallmark of the U.S. MOTORS product line.

Nidec Motor Corporation offers a complete line of U.S. MOTORS, energy-saving NEMA Premium®† open dripproof and totally enclosed products. By choosing from our line of NEMA Premium®† motors, you will lower energy consumption and subsequently, the total cost of ownership. The NEMA Premium®† line is available in IEEE841 configurations and hazardous location models.

Accessing U.S. MOTORS products is easy. Just visit our eCatalog. Our online catalog enables you to specify a motor by horsepower, enclosure, speed and voltage. If you already have a competitive model installed, use the cross reference tool to find a compatible U.S. MOTORS® brand motor. Need an outline drawing or connection diagram? It’s at your fingertips. And, when you can’t find what you need, contact a distributor in our nationwide network of Authorized Distributors. Or, send us an e-mail at or give us a call at 888-637-7333.


  • Swimming Pool Replacement Motors (Commercial pools, residential pools, spas, hot tubs)
  • HVAC/R replacement Motors (Condenser Fans, Refrigeration, Direct Drive or Belted Blowers)
  • Industrial Cooling Towers (Fans)
  • IEEE841, CORRO-DUTY® & HOSTILE DUTY™ Motors (Industrial replacements)
  • Close Coupled & Vertical Pump Motors (Water pumping, Municipal & Industrial Liquids pumping)

Related Information

Locate an Authorized Distributor

eCatalog search by ID, features or applications

Online motor specifications and technical data within the eCatalog includes:

  • Dimension prints
  • Nameplate data
  • Performance data
  • Wiring diagrams
  • Installation and maintenance manuals

Competitive Cross Reference 
Find Cross References for Various Electric Motor Manufacturers or OEMs

Facility MRO Electric Motor Guide Brochures

† All non-Nidec Motor Corporation marks shown within this document are properties of their respective owners.