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Can you use a Meg-Alert on motors powered by a variable frequency drive or solid state soft start?

April 26, 2017drive Frequency meg-alert motors powered soft solid State

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Can you use a Meg-Alert on motors powered by a variable frequency drive or solid state soft start?

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Yes, providing that an isolation contactor is installed to isolate the motor from the VFD of soft start. If there is no contactor in the system one can be provided with the Meg-Alert system. The older type auto transformer soft starters do not affect the Meg-Alert.