ZRF Sigma Resistors

Salient features

  • Power 180W - 5kW
  • Overload factor [email protected]
  • Working voltage 400 - 850V
  • Dielectric strength 50Hz 1 min. 2500V
  • Protection degree IP20/IP21
  • Natural air¬†cooled


Sigma resistors comply of one or multiple ceramic wirewound resistors fitted with a protection grid and optional connection box and or thermal switch. The ingress protection can be IP00 or IP21. Nominal power ranges from 180W till 5kW.

On request a UL approved version is available.


wirewound coated sigma brake resistor

Contact us:

Maarkaervej 1- 3
2630 Taastrup

+45 3673 2222

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