Hochiki: CHQ-MRC2SCI, Mains Relay Controller, Single Relay Output with Short-Circuit Isolator, 250 VAC, 17-41 VDC
About this product
The Hochiki CHQ-MRC2(SCI) is a mains relay controller providing a single mains rated relay output specifically designed for controlling devices such as dampers and extractors or for shutting down plant and equipment. This unit incorporates an integral short-circuit isolator and can be mounted within an enclosure (not supplied) weighing no more than 5 kg.
- Single relay output for effective control
- Integral short-circuit isolator for enhanced safety
- Monitored input for local power supply fault monitoring
- Compatible with both single input/output module applications
Ideal for use in commercial settings, ensuring reliable operation in fire alarm control systems.
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- Hochiki CHQ-MRC2SCI
Specifications
Specifications
Relay Contact Rating | 250 VAC @ 5 A (resistive), 48 VDC @ 2 A (resistive) |
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Operating Voltage | 17 - 41 VDC |
Quiescent Current | 100 µA |
Current Consumption | 300 µA |
Min. Short Circuit Current | 22 mA ± 20% |
Max. Short Circuit Current | 8 mA |
Storage Temperature Range | -30 °C to +60 °C |
Operating Temperature Range | -10 °C to +50 °C |
Maximum Humidity | 95% RH non-condensing (at 40 °C) |
Weight | Approx. 360 g |
Hochiki CHQ-MRC2(SCI) Controller features

Hochiki: CHQ-MRC2SCI, Mains Relay Controller, Single Relay Output with Short-Circuit Isolator, 250 VAC, 17-41 VDC