Understand your motor’s nameplate

Whether you are looking to replace or repair a motor, when talking to your supplier or service provider, it is important to give them accurate details of the motor you currently have. The most relevant information should be recorded on the motor's nameplate. To help users understand the information on their motor nameplates, Karl Metcalfe, Technical Support at the Association of Electrical and Mechanical Trades (AEMT), explains what key elements mean.

02/09/2024 16:45:54

To specify a replacement motor or understand the requirements of a repair or rewind, several attributes need to be established. These include information such as the size and format of a motor, its power and speed ratings, how and where it has been designed to be used, its efficiency, and a range of other factors.

Most motors will have a nameplate that carries this information in a format that meets standards set out by one of two bodies: the International Electrotechnical Commission (IEC) and the National Electric Manufacturers Association (NEMA).

Once you understand how the information is presented, it should be easy to read the nameplate on most motors and pass this information to your supplier or service partner.

Read the full article in DPA's September issue