Addressable Micro Single Channel Input Unit – MCIM

Eaton’s range of micro interfaces enable the connection of addressable fire alarm systems to fire and non-fire applications such as HVAC control circuits, plant shutdown circuits and sprinkler systems.

Included in the range is the micro zone monitor unit, micro single channel output unit and micro single channel input unit. All the units are soft addressed interfaces and incorporate short circuit isolators.

The range supports the installation and integration of Eaton’s range of addressable fire alarm control panels, providing solutions for most design requirements

Additional information
Order Code




Product Type

Addressable Interfaces

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Simple installation


Use with Eaton addressable systems


Small size

Get devices and panels talking


The flexibility of the Micro Interface range means that the units can be used in a range of different applications. The interfaces can be ideal for tall buildings, and act as a connection message to other devices that feedback device status to control panels, and can activate devices. 

They can be ideal for use in tall buildings that have extractor fans to filter out any smoke from fire. The output unit will receive feedback from the control panel and can act as a switch to activate a fan when there’s a fire. The input unit will then feedback to the panel whether the fan is active or if there are any faults. 

Small in size, clever in design

Eaton’s range of fire system micro interfaces combines compact size with easy installation. Featuring no requirement for hard addressing, the units are small enough to connect through a single strand fireproof cable up to 2.5mm².


• Quick and simple to install
• No hard addressing required (Plug and play)
• Compact size
• Programmable by Eaton site installer software as technical input/non fire input


• Soft Addressed
• Integral short circuit isolater
• Single address
• Suitable for monitoring:
– Flow switches
– Non fire inputs
– Auxillary panels
• Up to 200 units per loop


1. Inputs monitored for open and short circuit fault conditions.
2. Suitable for monitoring normally open volt free contacts (flow switches etc).
3. Connections suitable for single strand fireproof cable up to 2.5mm2
4. Loop and input cable screen must be connected to interface earth terminals.
5. The end of line monitoring resistor, must always be fitted at the end of the input wiring, if the input is unused the end of line resistor must be fitted at the interface input terminals.
Note: No addressing of the interface is required (see
control panel operation for details)


Installation Instructions

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TEL: 254-774-211313

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