A). Standard NEMA Motor Nameplate Information
1). Essential (Required) Information
The following details are typically mandatory on all NEMA motor nameplates:
- Manufacturer name
- Frame size
- Rated voltage
- Rated full-load current (FLA)
- Rated full-load speed (RPM)
- Frequency (Hz)
- Service factor
- Efficiency
- Rated horsepower (HP)
- Power factor
- Ambient temperature rating and duty/time rating
- Amps at stated voltage
- Insulation class
- Number of phases
- Design letter
- Enclosure type
- Serial number
2). Additional / Optional Information
The following parameters may be included depending on motor application, standards (or) manufacturer:
- Hazardous location class and group
- Bearings (Drive End – DE / Opposite Drive End – ODE)
- Certification or compliance number
- Alternate ratings or application-specific data
- International Protection (IP) rating
- Rotor inertia
- T-code (temperature classification)
- Safety and/or efficiency certification marks
B). Manufacturer-Specific (Baldor-Reliance) Nameplate Details
For Baldor-Reliance NEMA motors, additional information may be provided:
- Catalog number
- Specification (Spec) number
- Magnetizing current
- Inverter type and variable speed range(s)
Required data ensures safe operation, proper selection and compliance with standards.
Optional data provides deeper insights for specialized applications such as hazardous environments, VFD operation and performance analysis.
Manufacturer-specific details enhance traceability and advanced configuration.
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