scope:

This Standard applies to hermetic refrigerant motor-compressors (hereinafter referred to as motor-compressors) rated 7200 V or less, for use in air-conditioning and refrigerating equipment that comply with the Standards applicable to such equipment.

This Standard also applies to motor protection systems that may be provided with motor-compressors.

This Standard does not include additional requirements applicable to equipment designed for use in hazardous locations as defined in the National Electrical Code, ANSI/NFPA 70-1996, and the Canadian Electric Code, Part I.

The values given in SI (metric) units are the standard. The values