Base for 240V Surface Smoke Alarm

Base for 240V Surface Smoke Alarm

Base for 240V Surface Smoke Alarm

Item Number: 755RFB






Product brand



EU RoHS Directive

Under investigation

Environmental Disclosure


Circularity Profile



Unit Type of Package 1


Number of Units in Package 1


Package 1 Weight

185.0 g

Package 1 Height

14.5 cm

Package 1 width

3.3 cm

Package 1 Length

14.5 cm

Unit Type of Package 2


Number of Units in Package 2


Package 2 Weight

10651.0 g

Package 2 Height

49 cm

Package 2 width

17 cm

Package 2 Length

58.5 cm

Unit Type of Package 3


Number of Units in Package 3


Package 3 Weight

177600.0 g

Package 3 Height

113 cm

Package 3 width

100 cm

Package 3 Length

120 cm
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Frequently Asked Questions

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What is the warranty period for the 755 series smoke alarms?

The 755 series smoke alarms have a 5 year warranty period

How do I delete the pairing on a 755RFB2 Smoke Alarm Mounting Base with Wireless Interconnect ?

Follow the steps below to delete the pairing on 755RFB2,
  • Make sure all bases are powered ON in normal mode.
  • Press RF button 3 times in 2 seconds on the unit. RF LED will light on.
  • Press and hold RF button for at least 4 seconds, RF LED will flash 5 times to confirm the success.
Wireless interconnection pairing - 755RFB2.png

What is the RF range for 755RFB base?

RF Range (line of sight) will be: 100m free air, 30m indoors

Can you use the 755RFB across circuits and phases?

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

What is the 755RFB2 ?

The 755RFB2 is an optional accessory for the 755PSMA2/4 or 755RLPSMA2/4 smoke alarms offering wireless interconnection capabilities. The wireless base can be used for both wireless and wired connectivity allowing mixed interconnection flexibility. The 755RFB2 also has a dry contact input providing the option for remote test/hush from a momentary pushbutton/bell press switch.

How do you Interconnect a 755RFB2 smoke alarm bases with a 755LPSMA4 smoke alarm?

See the below "How to video".

The part number for the products seen in this video is a 755RFB2 base and a 755LPSMA4 smoke alarm.

For further information please visit 
Smoke alarm:
Wireless base: