US Motors - Nidec Motor Corporation

VariTough® – a Commercial Condenser Motor with AEGIS® Protection

VariTough® Inverter Duty Motors are designed for commercial condenser units operating on a VFD.  These motors operate in a multi motor environment with one VFD.  Motors are designed to meet NEMA MG1-Part 31 design guidelines.

VariTough® motors offer a more effective solution to protect the bearings where “shaft voltage” may be an issue.  Each motor has an AEGIS® SGR Bearing Protection Ring included/mounted on the motor, providing an alternative path for electrically grounding the shaft.  The ring is included/assembled with the VariTough motors and is sold separately as an accessory kit.  See this brochure for additional information.


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31 Winterbrook Road Mechanic Falls, ME 04256
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