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Mains Relay Controller with SCI
Model CHQ-MRC2(SCI) is a mains relay controller providing a single mains rated relay output for the control of such devices as dampers, extractors or plant and equipment shutdown. The monitored input can be used for local power supply fault monitoring or as a general-purpose input. Also available as a DIN Rail mountable version; both models feature an integral short-circuit isolator.
Estimated Despatch (29/05/19)


  • Loop-powered
  • Single loop address
  • Single mains rated relay contact
  • Relay contact rated at 250 VAC @ 5 A (resistive load only) and 48 VDC @ 2 A (resistive load only)
  • Auxiliary monitored input
  • DIN rail version available
  • Both models feature an integral short-circuit isolator
  • Both models approved by LPCB
  • Other Colours

    Product Reviews

    Alternative Products
    Mains Relay Controller DIN Enclosure with SCI
    Associated Products
    Adaptor for New CHQ Modules
    CHQ Module Box Lid (White)