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Cranford Controls VTG 24V Spatial Wall Sounder


SKU: d774dd50bf90 Category: Brand:


The VTG family of sounders has been designed to cover a wide spectrum of applications. The 24 volt EN54-3 approved version is for use with conventional fire alarm systems including two wire (SAV-WIRE®) and as standard comes with 32 tones. The sounder is supplied with a two stage alarm override which is activated by a third negative wire from the fire panel.

All tones have been selected to comply with the latest sound patterns and frequencies used throughout the world. All tone options are fully synchronised. The sounder function has been fully approved to EN54-3 by the LPCB and VdS on tones 1, 8, 11, 25 and 27.


  • Fully approved to EN54-3 by LPCB and VdS.
  • 32 tones plus a selectable override tone.
  • Shallow base IP21C and deep base IP33C versions available.
  • Designed to work with both conventional and two-wire (SAV-WIRE ) systems.
  • Unique twist and lock bayonet mounting system.
  • Removable cover on deep base for surface wiring.
  • Features base locking system as standard.


  • Voltage range (Vdc) : 21.6 – 28
  • Number Of Tones : 32
  • Operating Frequency (Hz) : 440 – 2900
  • Temperature Range (°C) : -20 to +70
  • Monitoring : Reverse Polarity
  • Protection Rating :
    • Shallow Base : IP21C
    • Deep Base : IP33C
  • Boxed Weight (kg) :
    • Shallow Base : 0.22
    • Deep Base : 0.25
  • Body Colours Available : Red or white (ABS fire retardant plastic)


Additional information

Weight 0.3 kg

Red, White




Shallow (IP21), Deep (IP33)

Device Type


Hazardous Applications

Marine Applications

Maximum Sound Level

System Type