Aico Ei129 Hard Wired Switched Input Module

The Aico Ei129 Hard Wired Switched Input Module provides a reliable way to trigger interconnected smoke, heat, and carbon monoxide alarms when an external device is activated such as a sprinkler system, alarm panel, or flow switch.

Designed for safety-critical environments, the Ei129 ensures all connected alarms sound instantly when activated, offering full system-wide notification and peace of mind.

Powered directly from the 230V AC mains supply and backed up by tamper-proof rechargeable lithium cells, this module continues to operate even during a power outage maintaining protection when it matters most.

The Aico Ei129 can be installed remotely or mounted directly beneath an alarm for a compact, integrated setup. Easy to wire, compliant with BS EN60065:2002/A1:2006, and compatible with Aico’s leading alarm ranges, it’s an essential component for building robust fire safety systems.

Features

• Triggers Alarm System Automatically: Activates all interconnected smoke, heat, and CO alarms when an external device (e.g., sprinkler system) is triggered.
• Mains Powered with Lithium Backup: Runs on 230V AC with built-in rechargeable lithium cells for up to 2 months of backup power.
• Wide Compatibility: Works with Aico 3000 Series, Ei2110e Multi-Sensor, 160e, and 140e Series alarms.
• Automatic Reset: System resets automatically once the triggering device resets.
• Easy Installation: Can be mounted remotely or directly beneath an alarm.
• 20-Unit Interconnection: Supports up to 20 interconnected devices per system (each Ei129 counts as one unit).
• Surface or Recessed Wiring Options: Includes 3 x 25mm trunking knockouts and a central knockout for recess fitting.
• Compact Design: Low-profile build for discreet installations.
• Made in Ireland: Designed and manufactured to the highest quality standards.
• 5-Year Guarantee: Backed by Aico’s trusted warranty.

• Brand: Aico
• Model: Ei129
• Power Supply: 230V AC mains
• Battery Backup: Rechargeable lithium cells (10-year design life)
• Standard Compliance: BS EN60065:2002/A1:2006
• Operation: Activates all interconnected alarms when external volt-free contacts close
• Interconnection Capacity: Up to 20 units
• Temperature Range: 0°C to +40°C
• Humidity Range: 0% to 95% RH (non-condensing)
• Dimensions: 141mm diameter x 25mm depth
• Weight (with packaging): 200g
• Connection Type: Hard-wired with 3-way connector block
• Knockouts: 3 x 25mm trunking knockouts + 1 centre knockout
• Warranty: 5 Years
• Country of Manufacture: Ireland

Ideal For

• Sprinkler system integration
• Alarm system control panels
• Multi-alarm residential or commercial setups
• Housing associations, landlords, and safety system installers

Compliance & Safety

The Aico Ei129 Switched Input Module is approved to BS EN60065:2002/A1:2006 and CE certified, ensuring full compliance with UK and EU safety regulations. Its rechargeable lithium backup ensures reliable operation during mains failure, protecting your property 24/7.