{"id":123,"date":"2015-03-10T09:58:04","date_gmt":"2015-03-10T09:58:04","guid":{"rendered":"https:\/\/epa.de\/filter\/en\/?page_id=123"},"modified":"2025-08-08T15:58:38","modified_gmt":"2025-08-08T13:58:38","slug":"sinusoidal-filters","status":"publish","type":"page","link":"https:\/\/epa.de\/en\/emc\/products\/sinusoidal-filters\/","title":{"rendered":"Sinusoidal Filters"},"content":{"rendered":"\n

Output filters \u2013 also called motor filters because they are installed upstream of the motor \u2013 are critical components in electrical engineering. They serve to minimize unwanted noise and harmonic distortion in electrical systems. They help improve the efficiency and service life of motors and other electrical devices. By filtering out this noise, motor filters ensure stable operation, reduce energy loss, and protect sensitive components from damage.<\/p>\n\n\n\n

For proper and trouble-free operation!<\/p>\n\n\n\n

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SFAF2-400<\/h3>\n

High performance sinusoidal output filters<\/p><\/p>\n

  • Current ratings from 2.5 A up to 600 A<\/li>
  • Rated voltage 400 V (also 500 V \/ 690 V available)<\/li>
  • Recommended for frequency inverter operation with long motor cables<\/li>
  • Generates sinusoidal output voltage<\/li>
  • VFD-operation with unshielded motor cable is possible<\/li>
  • Reduction of the motor noise and eddy current losses<\/li>
  • Protects motor windings and bearings<\/li>
  • Reduction of the dV\/dt values (spikes)<\/li>
  • Reduction of high-frequency leakage currents<\/li>
  • Improves the EMC (reduced emissions of interference)<\/li>
  • UL approved insulation material<\/li>
  • Also available as 4-line sinusoidal filter<\/li><\/ul> <\/div>\n\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n \n
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    \n Request for SFAF2-400 <\/h3>\n