Servo Motor / VFD Filter SF20201
Servo / VFD EMI filters help to substantially reduce EMI in the equipment and to protect motor's bearing from EDM-caused fluting. These patented filters are complete multiple-mode filters, providing comprehensive noise reduction, not just reactors.
This model of servo motor/VFD filter is most suited for motors consuming up to 20A. For lower current applications see our 3A and 10A models. If you are looking to include an AC input filter for the drive, please see our combo model which combines in one small package both motor and AC EMI filters.
All specifications are subject to change without notice
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"We tested the servo filter on another system, this time with Kollmorgen motors. We saw another significant reduction in noise on our signal" (P.M.,U.K.)
If you are not sure which specific model would work with your drive/motor, send us a legible photo of drive and/or motor label and if you know, the specific models
No mechanical attachments
No changes in software
SF20031, SF20032 and SF20101
Click on drawing to enlarge
SF20201 Dimensions - click to magnify
Basic Connections of Servo / VFD Motor Filter
SF20101 shown - connections for SF20201 are identical
Ground Current Reduction with SF Series Motor Filters
Pulse Edge Modification