What is Input Filter?

Definition

A combination of inductors and capacitors on the power input of a drive that suppresses conducted EMI and harmonics. Input filters are required for CE compliance and to protect sensitive equipment sharing the same power supply.

Related Terms

EMC Filter

An electromagnetic compatibility filter that reduces electrical noise emissions ...

Input Choke

An inductor installed on the input power lines of a drive to reduce harmonic cur...

RFI Filter

A radio frequency interference filter that attenuates high-frequency noise gener...

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