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relay base for 230v surface smoke alarm

Smoke Alarm Mount Base Integrated, 2A, Relay and Remote Test

Catalogue Number: 755RB
relay base for 230v surface smoke alarm


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Package 1 Weight
165 g
Package 1 Height
35 mm
Package 1 width
150 mm
Package 1 Length
145 mm
EU RoHS Directive
Under investigation

Frequently Asked Questions

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What size relay is in the 755RB?

The 755RB has a 2A relay.

Some of the key features are:
  • Integral 2A Isolated voltage free changeover relay
  • Control/activate third party devices (i.e. lighting, security, or home automation systems)
  • Dry contact input for remote test/hush functions from a momentary switch
  • Suitable for use with 755PSMA2 and 755RLPSMA2 smoke alarms


does the 755RB has voltage free contacts?

Yes it has 2A 250v AC rated NO & NC voltage free segregated contacts.


Which Smoke Alarm can be used with 755RB Relay Base?

The 755RB Relay Base is suitable with the Smoke Alarms 755PSMA4 and 755RLPSMA4.

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Which type of switch should be used for the RemoteTest/Hush feature on the 755PSMA2 Smoke alarm?

Any 240V momentary switch, such as a 30MBP Bell Press Switch can be wired to either of the two new mounting bases 755RB or 755RFB up to 20m away. A relay can also be pulsed on momentarily via a security or home automation panel to activate the test/hush function. 

Can the Clipsal 755PFM have a remote switch fitted for test/Hush function?

Yes, but the optional mounting base 755RB (Mounting Base with Integrated 2A Relay and Remote Test/Hush Function ) or 755RFB (Mounting Base with Wireless Interconnect and Remote Test/Hush Function) must be added. The feature can be wired through any momentary switch. Once activated, normal operation resumes after about 10 minutes.

Can you use the 755RFB across circuits and phases?

Yes you can use the 755RFB across circuits and phases.
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