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Electronic overload relays RFE series


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Electronic overload relays RFE series



RFE series electronic overload relays for currents from 0.4 to 110A. They have a high trip accuracy, a very low heat dissipation and do not need any auxiliary supply.
Four trip classes can be selected using dedicated dip-switches: 5, 10, 20, 30.
Each single relay covers a wide current range.
RFE45 can be installed directly on contactors BF09...38 or on an independent support for mounting on DIN rail.
RFE110 is supplied with the support for independent mounting on DIN rail as standard.
Reset can be selected in automatic or manual mode.

 

Operational characteristics

  • IEC power circuit rated insulation voltage Ui: 1000V
  • IEC auxiliary circuit rated insulation voltage Ui: 690V
  • rated impulse withstand voltage: 8kV
  • rated frequency: 50/60Hz
  • maximum rated current: 32A for RFE45, 110A for RFE110
  • heat dissipation per phase: <1W
  • selectable tripping classes: 5-10-20-30
  • phase failure sensitive
  • mounting position: any
  • sealable current adjuster and dip switches for tripping class selection
  • degree of protection: IP20 on front.

Certifications and compliance
Certifications obtained: cULus.
Compliant with standards: IEC/EN 60947-1; IEC/EN 60947-4-1, UL 60947-1, UL 60947-4-1, CSA C22.2 n° 60947-1, CSA C22.2 n° 60947-4-1.

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