VSL – EN54-3 Approved Base Sounder & Visual Indicating Device
The VSL base sounder/beacon is designed to work with a variety of detector brands to provide a cost-effective sounder solution with visual indication of alarm status.
As standard the VSL comes with 32 sounder tones with a two-stage alarm override which is activated by a third negative wire from the panel.
Suitable for conventional and two wire (SAV-WIRE) fire alarm systems. Cover plate sold separately.
Sound Output, Typical (dBA)
Max Current Consumption
No. of Tones
Operating Frequency (Hz)
440 – 2900
Specification & Part Numbers
Temp. Range (°C)
-20 to +70
White cover plate that can be used in place of a detector to create a standalone ceiling sounder.