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Description
The Aico Ei128RBU mains relay module with battery back-up is a hard-wired ancillary device designed for use within Aico interconnected fire alarm systems. Ideal for commercial and residential installations, it activates external devices — such as door closers, remote sounders, strobes, and extractor fans — the moment an alarm is triggered, ensuring a fast and reliable response to fire or smoke detection.
Aico Ei128RBU Relay Module — Key Specifications & Applications
The Ei128RBU relay module operates on 230V mains power with a rechargeable lithium battery back-up providing up to 2 months of operation in the event of mains failure. Volt-free contacts and selectable pulse or continuous output modes give installers full flexibility when integrating with ancillary devices. The module mounts neatly beneath an easi-fit base alarm or can be remotely fixed using the supplied cover, making it suitable for a wide range of installation scenarios. Compatible with Aico 3000, Ei2100E Multi-Sensor, 160E, and 140RC Series alarms, the Ei128RBU can be used within a set of up to 12 interconnected devices.
- Activates ancillary devices (door closers, extractors, remote sounders, strobes) on alarm trigger
- Compatible with Aico 3000, Ei2100E, 160E Series, and 140RC Series
- 230V mains powered with rechargeable lithium battery back-up (up to 2 months on battery)
- 10-year lithium battery life
- Volt-free contacts with pulse (5-second) or continuous output modes
- Supports up to 12 interconnected devices
- Trunking knock-outs for clean, professional wiring
- Mounts under easi-fit base or remotely with supplied cover
- Humidity range: 0–99% RH | Dimensions: 141mm H × 21mm W | Material: UL94 V0 flame-retardant plastic
- 5-year limited warranty | Compliant with BS EN 14604:2005
Built to Aico's exacting standards, the Ei128RBU delivers dependable relay switching performance for professional fire safety installations.
Frequently Asked Questions
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We offer standard delivery (2-5 working days) and express delivery (1-2 working days). Free standard delivery on orders over £85. All orders are tracked, and you'll receive updates via email.
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