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 10A. For higher currents please see our 20A versions. For lower current applications see our 3A model. 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 filters.
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DIN Rail Version
All specifications are subject to change without notice
"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
Basic Connections and Performance of Servo/VFD Motor Filter SF20101
SF20031, SF20032 and SF20101
Click on drawing to enlarge
DIN Rail Mount Option
This filter is available with DIN rail mount. To the left is shown back of SF20031, SF20032 and SF20101 filters with DIN rail mount.
For DIN rail mount add "-N" to the model number: SF20101-N
Ground Current Reduction with SF Series Motor Filters
Pulse Edge Modification
Filters for Servo Motors and VFD