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System Sensor DSS-PC-N00 & I00 Addressable Base Sounder & VAD with Optional Isolator


SKU: f24f78c3df74 Category: Brand:


EN54-23 Detector Base Sounder Strobe is a high-quality loop powered device intended to alert building occupants of a potential fire. Approved to meet EN54-23, the European standard for Visual Alarm Devices, it utilizes the System Sensor B501AP base for enhanced installation flexibility and integrates seamlessly with System Sensor intelligent detectors. When triggered by the fire panel, its powerful sounder and intense strobe give a visible and audible warning. A choice of sound output levels and tones make the device suitable for a wide variety of applications.


  • High output LED technology ensures optimum light output and low power requirements.
  • High efficiency piezo disk and horn profile generate powerful sound output.
  • Features Advanced protocol controllable sound output, tone selection, group polling, independent sound or strobe function
  • Automatic synchronization of sounder and strobe
  • Large cable access
  • Rear or surface cable entry
  • Loop continuity spring
  • Simple twist fit onto universal B501AP base (positive “poke yoke” engagement)
  • Anti-tamper feature
  • In-built isolation options
  • Address tag for clear indication
  • Single point of installation – saves time, cost & inventory
  • Low current draw enables more devices on loop
  • Adjustable volume control (on device or from panel)
  • Rotary wheels for clear address indication
  • Clear lens with red flash


  • Supply Voltage: 15 to 32VDC (Non Isolation) / 15 to 29 VDC (Isolation)
  • Standby Current: 450μA maximum
  • Current Consumption Sounder and Strobe: 10mA (High Volume Tone 13 @ 24V)
  • Sound Output:: 96dB (A) ±3dB @ 1metre (High Volume, Tone 13 @ 24V)
  • Strobe Flash Rate: 1Hz
  • Alarm Level 6 : ClassA1R
  • Operating Temp: -25oC to 70oC
  • Relative Humidity: 93% ± 3% non-condensing
  • Ingress Protection: IP21C (with low profile B501AP base)*
  • Approved To: EN54-23 Open Category, EN54-3, EN54-17 Short circuit Isolator
  • Colour: Pure white
  • Lens Colour: Clear
  • Flash Colour: Red
  • Weight net/gross: 199g / 229g
  • Cable Terminal Size: 1.5 – 2.5mm2 max
  • Number of Tones: 32
  • Volume Setting: High, Medium, Low
  • Mounting Options: Low profile*


Additional information

Weight 1 kg
Loop Isolator

No, Yes


Device Type


Hazardous Applications

Marine Applications

Maximum Sound Level


Short Circuit Isolator


System Type