Smoke Alarm Mount Base Wireless Interconnect and Remote Test

Catalogue Number: 755RFB2


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Package 1 Height
145 mm
Package 1 Length
145 mm
Package 1 width
33 mm
Product brand
Product or component type
mounting base
Device application
[Us] rated supply voltage
220...240 V AC 50 Hz
[Ie] rated operational current
60 mA maximum
Backup type
Battery type
sealed rechargable
Battery life
10 year(s)
Transmission frequency
433.42 MHz
Number of devices
  • 40 for wireless alarm
  • 40 for wired alarm wired over <= 150 m
    • Operating distance
    • 30 m indoor use line of sight
    • 100 m in free field
      • Remote control type
        Dry contact momentary switch for test/hush function with max. cable length 20 m
        Time delay range
        2 min (pairing)
        Connections - terminals
      • For line: screw terminal with 2 x 1.5 mm² wiring capacity
      • For neutral: screw terminal with 2 x 1.5 mm² wiring capacity
      • For earth loop: screw terminal with 2 x 1.5 mm² wiring capacity
      • For interconnect: screw terminal with 2 x 1.5 mm² wiring capacity
      • For TEST: screw terminal with 2 x 1.5 mm² wiring capacity
      • For hush: screw terminal with 2 x 1.5 mm² wiring capacity
      • For common: screw terminal with 2 x 1.5 mm² wiring capacity
        • Local signalling
          flashing: 1 LED (red) 10 s for low battery
          Type of installation
          Fixing center
          84 mm
          140 mm
          Ambient air temperature for operation
          0-45 °C
          Relative humidity
          5-95 %
          Product certifications
        • Activfire
        • RCM
          • Standards
          • AS/NZS 60065
          • AS/NZS 60950.1
          • AS/NZS 4268
            • Package 1 Weight
              122 g
              Sustainable offer status
              Green Premium product
              REACh Regulation
              Free of Substances of Very High Concern above the threshold
              REACh free of SVHC
              EU RoHS Directive
              Mercury free
              RoHS exemption information
              China RoHS Regulation
              Environmental Disclosure
              Circularity Profile

              Frequently Asked Questions

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              Can multiple 755PSMA4 smoke detectors in a single wired circuit be controlled via a single relay base 755RFB2?

              Multiple smoke detectors cannot be controlled via one relay base, multiple relay bases are required, one for each 755PSMA4 detector. 755RFB2 relay bases can be connected together in a single control circuit for control from one location.

              Can you use the 755RFB across circuits and phases?

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

              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: https://www.clipsal.com/products/detail?CatNo=755LPSMA4&tab-document-1=1
              Wireless base: https://www.clipsal.com/products/detail?CatNo=755RFB2&tab-document-1=1

              Which smoke alarms will fit on 755RFB2 smoke alarm base with wireless interconnect?

              755RFB2 is an optional accessory for  755PSMA2 or 755RLPSMA2 smoke alarms to offer wireless interlinking capabilities. The wireless base offers both wireless and wired connectivity as well as remote test hush through momentary pushbuttons. 
              For further information please visit https://www.clipsal.com/products/detail?CatNo=755RFB2&tab-document-1=0&itemno=755RFB2
              User-added image

              What is the RF range for 755RFB base?

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

              Will 755RFB relay base work with 755PSMA?

              Unfortunately not, 755RFB is not suitable for use with 755PSMA. It is suitable for use with 755PSMA2 and 755PSMA4. 

              For further information, please visit https://www.clipsal.com/Trade/Products/ProductDetail?catno=755RFB

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