Surface Mount Base with Relay and Battery Back-up

The EIB128RBU Base has an integral relay that is activated when the alarm connected to the EIB128RBU enters alarm mode.


The relay contacts are isolated and are rated at 250VAC, 5A resistive and can be used for signalling, turning on lights and sirens or activating door release devices etc. The EIB128RBU Base is designed to be used with the Brooks 3000, 140RC and 160e Series alarms.

In addition, the EIB128COV is a plastic lid for the EIB128RBU that allows the unit to be sited remotely to the Alarm, and will also allow non Easi-Fit Alarms to be connected to the EIB128RBU.

The EIB128RBU Base is designed so that any of the Brooks 3000, 140RC and 160e Series alarms will fit on top.

The Brooks EIB128RBU base has the following features:

  • For use with 3000, 140RC and 160e Series alarms
  • Facilitates bulky wiring and conduits
  • Built-in 5A Relay with Pulse or Continuous modes of operation
  • Rechargeable lithium battery back-up
Model Number: EIB128RBU
Carbon Monoxide:
Mains Powered:
Battery Back-up:
Battery Powered:
Low Battery Warning Alert:
Test/Reset Button:
Interconnect Capability:

Related Information:

Which home smoke alarm is right for you?

Our easy 3-step selector tool can help you find the right smoke alarm for your home.

Get started

How will the smoke alarm be powered?

Frequently asked questions

Find answers to the most frequent questions our customers are asking about smoke alarms. Check out our frequently asked questions