Alarm Isolator Switch 230-volt

Smoke Alarms are designed to detect smoke particles in the air. However other airborne particles, i.e. steam, cooking fumes, dust etc, can also cause smoke alarms to generate  false alarms.


The Brooks Alarm Isolator provides a means of silencing nuisance alarms. When activated, the Alarm Isolator removes, for a period of approximately 5 minutes, both primary and secondary power supplies to the smoke/heat alarms, disabling all connected alarms.

During this 5-minute period, the occupant can remove the source of the nuisance alarm, the smoke/heat alarm will reset once the source of the alarm clears. The Alarm Isolator automatically resets after the 5-minute period.

The BAAISO is designed to be used in conjunction with the 3000*, 140RC*, 160e* Series alarms.

*Requires EIBPLATE for 3000, 140RC and 160e Series alarms.

The Brooks Alarm Isolator Switch has the following features:

  • Standard wall mount plate


Model Number: BAAISO
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