Cranford Controls

VTB Spatial Sounder/Beacon 24Vdc – EN54-3 Approved

Product Overview

The VTB 24Vdc sounder beacon is part of the VTG family of products designed for use with conventional fire alarm systems including two wire (SAV-WIRE®) and other general 24Vdc applications. The sounder function, like all VTG products, comes as standard with 32 tones. The beacon function has been designed for maximum all-round visibility, coupled with low power consumption utilising an array of energy efficient LEDs. The sounder function features a two-stage alarm override which is activated by a third negative wire from the fire panel. Both the sounder and beacon functions are fully synchronised. The product can also be used as a beacon only which is easily selected by a DIL switch at the time of installation.

Features

  • 32 tones plus a selectable override tone
  • Shallow base IP43 and deep base IP65 versions available
  • Switch selectable beacon only feature
  • Unique twist and lock bayonet mounting system
  • Removable cover on deep base for surface wiring
  • Features base locking system as standard

Technical

Voltage range (Vdc) 21 – 28
Number of tones 32
Operating frequency (Hz) 440 – 2900
Temperature range (C°) -20 to +70
Flash rate c.1Hz
Monitoring Reverse polarity
Protection rating IP21C (shallow) IP33C (deep)
Boxed weight (kg) 0.223 (shallow) 0.258 (deep)
Body colours available Red or White (ABS fire retardant plastic)
Lens colours available Red or Amber

 

Performance

Volume Setting High Med Low
Sound output, typical (dBA) 99.1 95.4 79.7
Sound output, anechoic chamber (dBA) 98 94.3 78.5
Sound output, reverberation chamber (dBA) 113.6 110.2 96
Max. current consumption @ 24Vdc (mA) 34.4 19.9 10.8
Power consumption @ 24Vdc (mW) 826 478 259

 

Part Numbers

511-095L Red body, 32 tone, shallow base, red lens
511-099L Red body, 32 tone, shallow base, amber lens
511-097L Red body, 32 tone, deep base, red lens
511-101L Red body, 32 tone, deep base, amber lens
511-096L White body, 32 tone, shallow base, red lens
511-100L White body, 32 tone, shallow base, amber lens
511-098L White body, 32 tone, deep base, red lens
511-102L White body, 32 tone, deep base, amber lens