{"product_id":"aico-ei128rbu-mains-relay-module-with-battery-back-up","title":"Aico Ei128RBU Mains Relay Module with Battery Back-Up","description":"\u003cp\u003eThe 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.\u003c\/p\u003e\n\n\u003ch2\u003eAico Ei128RBU Relay Module — Key Specifications \u0026amp; Applications\u003c\/h2\u003e\n\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eActivates ancillary devices (door closers, extractors, remote sounders, strobes) on alarm trigger\u003c\/li\u003e\n\u003cli\u003eCompatible with Aico 3000, Ei2100E, 160E Series, and 140RC Series\u003c\/li\u003e\n\u003cli\u003e230V mains powered with rechargeable lithium battery back-up (up to 2 months on battery)\u003c\/li\u003e\n\u003cli\u003e10-year lithium battery life\u003c\/li\u003e\n\u003cli\u003eVolt-free contacts with pulse (5-second) or continuous output modes\u003c\/li\u003e\n\u003cli\u003eSupports up to 12 interconnected devices\u003c\/li\u003e\n\u003cli\u003eTrunking knock-outs for clean, professional wiring\u003c\/li\u003e\n\u003cli\u003eMounts under easi-fit base or remotely with supplied cover\u003c\/li\u003e\n\u003cli\u003eHumidity range: 0–99% RH | Dimensions: 141mm H × 21mm W | Material: UL94 V0 flame-retardant plastic\u003c\/li\u003e\n\u003cli\u003e5-year limited warranty | Compliant with BS EN 14604:2005\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBuilt to Aico's exacting standards, the Ei128RBU delivers dependable relay switching performance for professional fire safety installations.\u003c\/p\u003e","brand":"Aico","offers":[{"title":"Default Title","offer_id":58207743803776,"sku":"Ei128RBU","price":44.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5275\/7152\/files\/Aico-Ei128RBU-Mains-Relay-Module-with-Battery-Back-Up-Aico-227585985.webp?v=1780588646","url":"https:\/\/acaselectrical.co.uk\/products\/aico-ei128rbu-mains-relay-module-with-battery-back-up","provider":"ACAS Electrical","version":"1.0","type":"link"}