Motor FLA

Tech Tip


Solid State Starter Engineering & Application Notes

Full load ampere ratings of motors vary depending upon a number of factors. The full load currents listed above are "average values" for horsepower rated motors of several manufacturers at the most commonly rated voltages at 1800 RPM. These "average values" along with the similar values listed in the N.E.C. should be used as a guide only for selecting suitable components for the motor branch circuit. The rated full load current shown on the motor name plate may vary considerably from the listed value, depending on the specific motor design.

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These are approximate figures for squirrel cage motors. The motor rated currents are based on standard 1500 RPM motors with normal cooling design. To select the proper sized Soft Start Control or Solid State Starter, check motor the KW rating and voltage rating for motor FLA. Then choose a starter of equal or greater rating.

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