What is RPM?

Definition

Revolutions Per Minute — the unit of rotational speed indicating how many complete shaft turns occur in one minute. Motor nameplate RPM at rated load is the basis for speed control settings in drive programming.

Related Terms

Rated Speed

The shaft speed of a motor at rated voltage, frequency, and full load, typically...

Synchronous Speed

The theoretical speed of the rotating magnetic field in an AC motor, determined ...

Tachometer

An instrument that measures rotational speed, typically displayed in RPM. Tachom...

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