SensoIRIS VAD RST is EN54-23 approved base with with built-in red LED flash beacons.

The base is specially designed for use with analogue-addressable  sounders SensoIRIS CSOU and SensoIRIS CSOU IS, as expands their application in fire alarm installations providing additional visual indication in case of fire alarm events.

The activation of LED flashers in case of fire alarm event is automatic and there is no need of any additional connections between the base and sounder.
SensoIRIS VAD RST is equipped with a special info plate for placing an analogue-addressable  or write down specific information for the device.



  • Compatible with SensoIRIS CSOU / CSOU IS sounders
  • Protection Degree – IP21C (with mounted sounder)
  • Wire gauge for terminals – 0.4 – 1.5mm²
  • Loop powered
  • Does not require a separate loop address
  • Special info plate (size 45x15mm) for placing a sticker with device address / name
Operating Voltage Range 20-32V DC (Nom. 27V DC)
Nominal Consumption (stand-by) < 650μA@27V DC
Coverage volume: C-3-5
Maximal Consumption < 19mA
Installation method Ceiling mount
Frequency of the flash beacons 0.5Hz
Color of the LEDs Red
Material, color ABS plastic, white (RAL 9016)
Dimensions 122x139x27 mm

Product Documents


SensoIRIS VAD - EN 54 Certificate EVPU
Updated at 12.01.2024 Size 1.39MB
SensoIRIS VAD - Declaration of Conformity
Updated at 12.01.2024 Size 0.22MB
SensoIRIS VAD - Declaration of Performance
Updated at 12.01.2024 Size 0.44MB

Marketing Documentation

SensoIRIS VAD RST - Datasheet
Updated at 25.07.2023 Size 0.17MB
SensoIRIS VAD RST - Brochure
Updated at 19.04.2023 Size 0.62MB

Technical Documentation

SensoIRIS VAD RST - Manual
Updated at 19.07.2023 Size 0.38MB

Product pictures