Posted by Steve@Advance on April 25, 2014 at 04:42:39 from (107.203.134.67):
In Reply to: Electric motor ? posted by tomstractorsandtoys on April 24, 2014 at 18:42:25:
For a 5 HP motor, 50 amps is way over the rated full load amps.
Depending on your application, 5 HP on single phase 240v max continous amps is 32A, 3 phase 240v is 15A.
Most single phase motors have internal overload circuitry, a 3 phase should have overload protection in the starter. Either will protect the motor from damage, but will require cool down time.
Sense it has run for short peroids, it will probably continue to do so providing the motor has overload protection, or should I say overheat protection. Running too long, too overloaded will result in overheat, which will trip the heater, or burn up the motor.
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