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“Service factor” is an interesting motor rating that you will view on many motor data tags. That simply way how much extr “work” a motor have the right to do or how much “load” it might be put under for quick periods of time without failure or overload.

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For example, the FLA or complete load amps the the motor over is 10.8 amps in ~ 115 volts.

The company factor or S.F. Is 1.5, make the service factor amps 16.2 (rounded down to 16 ~ above the engine tag) at 115v because 10.8 x 1.5 = 16.2.

Don"t confuse SFA with LRA (locked rotor amps). LRA is the present the motor will draw when the rotor is stationary, together as during startup. Organization factor is simply a momentary “fudge factor” that the motor has actually for short periods of greater than typical load.

When a motor is running over its full load amps and in the company factor range, it might function, however its to work life will be shorter. It will additionally generally operation at lower efficiency and power factor.

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In various other words, only enter the “service factor” variety when necessary, no as a issue of regular operation.