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Aico Hard Wired Relay Module, Rechargeable Lithium Battery Back Up

The Aico Ei128RBU is a mains powered relay module with a 10 year rechargeable lithium back up battery, to ensure a constant power supply even in the event of a mains power failure. It can trigger a range of ancillary devices when the connected alarm system sounds, for example strobe lights, door closers, extractors or telecare devices. This product may be used with the Aico Ei2110e, 160e Series & 140RC Series, as well as the 260RC Series carbon monoxide alarms when used with the EI128COV cover.

£64.24 incl. VAT

  • Fits underneath select Aico alarms
  • 10 year rechargeable lithium back up battery
  • Triggers ancillary devices when alarm is activated
  • Volt-free relay contacts
  • Pulse or continuous output
  • CE marked
  • 5 year warranty
Manufacturer: Aico
Product Code: Ei128RBU
Dimensions: H: 141mm W: 141mm D: 21mm
Product Weight: 160g
Power Supply: 230V AC
Battery Back Up: Rechargeable lithium cells
Relay Output: Volt free contacts, 240V AC/5 Amps
Operating Temperature Range: 0°C to +40°C
Storage Temperature Range: 0°C to +35°C (in dry area)
Humidity Range: 0-90% RH
Approvals: CE Marked
Manufacturer's Warranty Period: 5 years


Designed to fit underneath easi-fit or RadioLINK bases, it may be connected via hard wiring, and is straightforward to install with additional trunking knock outs. Depending on your preferred application, it can be manually switched to give a pulse or continuous output, and when in pulse mode the relay contacts will automatically return to their original state after 5 seconds. The volt free contacts (normally open or normally closed) are rated up to 240V AC/5 Amps, making this product suitable for use with a range of AC or DC voltages. It is possible to configure the relay module to give either a 230V or 24V output.

It is CE marked and has a manufacturer’s warranty period of 5 years.


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Aico Hard Wired Relay Module, Rechargeable Lithium Battery Back Up