NEC - Overload protection by VFD
- Thread starter t-rhea
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- Illinois
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- retired electrician
Re: NEC - Overload protection by VFD
The NEC doesn't. It just requires that the motor have overload protection, but does not spell out the types of devices that are permitted to be used to provide this protection. If the VFD has an interal overload protective device, that is listed for that purpose you can use it.
Don
The NEC doesn't. It just requires that the motor have overload protection, but does not spell out the types of devices that are permitted to be used to provide this protection. If the VFD has an interal overload protective device, that is listed for that purpose you can use it.
Don
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