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Hochiki ESP Mains Relay Controller With SCI With DIN Rail Option



Model CHQ-MRC2(SCI) is a Single Input/Output Module, which provides 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. The unit is also available as a DIN Rail mountable version; with an integral short-circuit isolator. The CHQ-MRC2(SCI) utilises simple DIL switches for reliable addressing.

Key Features

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


  • Operating Voltage : 17-41VDC
  • Current In Short Circuit : 8mA
  • Current Consumption : 22mA +- 20%


Additional information

Weight 0.1 kg
Dimensions N/A

Standard, DIN Rail

Device Type



System Type

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