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Can you replace a 480-240V 3-phase motor with a single phase motor as a temporary replacement or will it burn it out?

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Yes, you can, and it won't burn out IF>>> the horsepower rating is the SAME. Pay attention to wiring and motor rotation.
Also check the voltage: the motor voltage must be the same as the voltage between two hots of your 3 phase system. You will only use two hots as this is a single phase motor.
Thanks for the feedback!

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