Technical buyer guide
Industrial Electric Motor Identification
How to identify a replacement motor from nameplate, mechanical, electrical, and duty information.
Record electrical ratings
Power, voltage, current, frequency, phase, speed, efficiency, and connection are required.
Confirm frame and mounting
Frame size, flange, feet, shaft, key, orientation, and terminal position affect installation.
Preserve duty and protection
Duty, insulation, temperature rise, enclosure, cooling, brake, and hazardous approval matter.
Check driven equipment
Starting torque, load profile, inverter operation, and application constraints must be considered.
Last technical editorial review: 2026-08-09. Guidance supports identification and RFQ preparation; final application compatibility remains the responsibility of the qualified technical authority.