{"id":118,"date":"2015-03-10T09:56:49","date_gmt":"2015-03-10T09:56:49","guid":{"rendered":"https:\/\/epa.de\/filter\/en\/?page_id=118"},"modified":"2026-02-18T16:19:28","modified_gmt":"2026-02-18T15:19:28","slug":"motor-chokes","status":"publish","type":"page","link":"https:\/\/epa.de\/en\/emc\/products\/motor-chokes\/","title":{"rendered":"Motor Chokes"},"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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dV\/dt chokes<\/h3>\n

Three-phase output chokes<\/p><\/p>\n

  • Current ratings from 2\u2009A up to 2300\u2009A<\/li>
  • Rated voltage 400 V (also bis 690 V available)<\/li>
  • Connection via copper busbars from 400 A<\/li>
  • Recommended for frequency inverters with short motor cables<\/li>
  • Limitation of dV\/dt-values (voltage peaks)<\/li>
  • Emissions to other cables is reduced<\/li>
  • Increases the life time of motors driven by inverters<\/li>
  • UL approval for USA and Kanada from 2 A up to 10 A and from 24 A up to 90 A<\/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 dV\/dt chokes <\/h3>\n