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When 120 volts is applied to a rated 240 volt motor can it ruin the motor?
Wiki User
∙ 14y ago
Yes, if you try to continuously run the motor at 120 volts. It may run, but at a slower speed. The slower speed will not provide enough cooling for the windings, and thus it will eventually be destroyed. No, if you incorrectly wired it at 120 volts, and then rewired it correctly, for the HIGHER 240 volts. Keep in mind that there are many different types of motors out there and this answer only applies to this specific application.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoYes, the motor will not run and will likely burn up. If the motor is rated for 240V only, then that's the voltage it requires. Some motors are multivoltage such as 120/240 V where the power is hooked up differently for each voltage. Check your motors nameplate to see if it is multivoltage. If it is, it should also show a schematic for both 120 and 240 V hook up.
Wiki User
∙ 14y agoAbsolutely! 80 volts is far too low to run the motor. It will draw far more amperage than it's designed for, will overheat quickly and burn up before very long. Don't do it.
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