Sounder Beacons

A Sounder Beacon is an alarm which has both audio and visual properties and which is usually used in emergency situations, such as fire alarms for evacuations or on emergency vehicles to alert road users. The Sounder emits a loud audible alarm to raise alert to a hazard, while the Beacon provides a clear visual alert - usually by a flashing indicator light through a coloured lens. Conventional Sounder Beacons are often used in commercial and industrial sectors and can be found in public places such as schools, warehouses, offices, construction sites, laboratories and industrial parks.

How do Sounder Beacons work?

The audio and visual alarms in Sounder Beacons are integrated, making it an enhanced warning device. They can come with different tones incorporating high frequencies, low frequencies and industry-standard frequency patterns. They have different coloured lenses to give an improved warning signal. There is a wide range of alarm system equipment options available for both indoor and outdoor use. Some Sounder Beacons are equipped with volume control and tunable features. Beacons may be constructed with halogen bulbs similar to those used in xenon flashtubes or LED floodlights.

What's the coverage area of a sounder beacon?

Typically, the audio range of a sounder beacon will be between 5 and 15 decibels (dB (A)) above the ambient noise level. There are many considerations when working out the coverage of a sounder beacon, for example, you'll need to take into account any noise like the sound of people or machinery.

Why choose Sounder Beacons from Rs Components?

At RS we have a broad range of robust Sounder Beacons to fully suit your needs. We stock combined sounder and beacon products from reliable brands such as Fulleon Flashni, Klaxon, e2s, Werma, Patlite, Schneider Electric and Moflash. We also have our own versatile RS Pro range, specially designed and rigorously tested to high industry standards for maximum longevity, efficiency, protection, and ease-of-installation. With our RS Pro audio visual alarm system solutions you can trust that you will get exceptional quality for great value.


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Description Price Supply Voltage Lens Colour Mounting Style Current Type Light Effect Sounder Type Decibels at 1 Metre Series Bulb Type Housing Colour Minimum Decibel Maximum Decibel Number Of Tones Hazardous Area Certification
RS Stock No. 865-1640
Mfr. Part No.LEDA100-02-02
BrandMoflash
£43.47
Each
Units
20 → 30 V ac/dc Red Surface Mount, Wall Mount AC, DC Flashing Buzzer 80dB LEDA100 LED Black - - - -
RS Stock No. 865-1656
Mfr. Part No.LEDA100-05-02
BrandMoflash
£43.47
Each
Units
40 → 380 V dc, 85 → 285 V ac Red Surface Mount, Wall Mount AC, DC Flashing Buzzer 80dB LEDA100 LED Black - - - -
RS Stock No. 865-1647
Mfr. Part No.LEDA100-05-01
BrandMoflash
£43.47
Each
Units
40 → 380 V dc, 85 → 285 V ac Amber Surface Mount, Wall Mount AC, DC Flashing Buzzer 80dB LEDA100 LED Black - - - -
RS Stock No. 865-1631
Mfr. Part No.LEDA100-02-01
BrandMoflash
£43.47
Each
Units
20 → 30 V ac/dc Amber Surface Mount, Wall Mount AC, DC Flashing Buzzer 80dB LEDA100 LED Black - - - -
RS Stock No. 436-1747
Mfr. Part No.RA201-21RS
BrandMoflash
£78.28
Each
Units
24 V dc Lens Not Included Surface Mount DC Rotating Buzzer 85dB RA201 Incandescent Black - - 1 -
RS Stock No. 865-1634
Mfr. Part No.LEDA100-01-02
BrandMoflash
£43.47
Each
Units
8 → 20 V ac/dc Red Surface Mount, Wall Mount AC, DC Flashing Buzzer 80dB LEDA100 LED Black - - - -
RS Stock No. 755-9596
Mfr. Part No.XA125-63
BrandMoflash
£67.73
Each
Units
230 V ac None Surface Mount, Wall Mount AC Flashing Buzzer 90dB XA125 Xenon Black - 90dB 2 -
RS Stock No. 755-9616
Mfr. Part No.LEDA125-02-03
BrandMoflash
£98.18
Each
Units
24 V dc Blue Base Mount DC Flashing, Steady Buzzer 90dB LEDA125 LED Black - 90dB 2 -
RS Stock No. 721-6476
Mfr. Part No.LEDA125-04-04
BrandMoflash
£120.22
Each
Units
230 V ac Green Wall Mounting AC Flashing, Steady Electronic 90dB LEDA125 LED Black - 90dB - -
RS Stock No. 721-6463
Mfr. Part No.LEDA125-02-04
BrandMoflash
£107.59
Each
Units
24 V dc Green Wall Mounting DC Flashing, Steady Electronic 90dB LEDA125 LED Black - 90dB - -
RS Stock No. 674-2016
Mfr. Part No.LEDA125-04-01
BrandMoflash
£120.22
Each
Units
230 V ac Yellow Wall Mounting AC Flashing, Steady Buzzer 90dB LEDA125 LED Black - - 1 -
RS Stock No. 674-2025
Mfr. Part No.LEDA125-02-02
BrandMoflash
£107.59
Each
Units
24 V dc Red Wall Mounting DC Flashing, Steady Buzzer 90dB LEDA125 LED Black - - 1 -
RS Stock No. 787-2256
Mfr. Part No.SB1501RL05DCNNNARDN
BrandMoflash
£995.10
Each
Units
12 → 48 V dc Red Bracket DC Flashing, Rotating, Steady Electronic 115dB SB150-1 LED Red - - 63 ATEX
RS Stock No. 674-2012
Mfr. Part No.LEDA125-04-02
BrandMoflash
£120.22
Each
Units
230 V ac Red Wall Mounting AC Flashing, Steady Buzzer 90dB LEDA125 LED Black - - 1 -
RS Stock No. 674-1984
Mfr. Part No.FFA125-82/83
BrandMoflash
£49.40
Each
Units
230 V ac Lens Not Included Surface Mount AC Flashing Buzzer 90dB FFA125 Incandescent Black - - 1 -
RS Stock No. 721-6479
Mfr. Part No.LEDA125-01
BrandMoflash
£142.66
Each
Units
24 V dc Clear Wall Mounting DC Flashing, Steady Electronic 90dB LEDA125 LED Black - 90dB - -
RS Stock No. 787-2259
Mfr. Part No.SB1501RL05ACNNNARDN
BrandMoflash
£453.45
Each
Units
100 → 240 V ac Red Bracket AC Flashing, Rotating, Steady Electronic 115dB SB150-1 LED Red - - 63 ATEX
RS Stock No. 787-2234
Mfr. Part No.SB1501AX20DCNNNARDN
BrandMoflash
£429.70
Each
Units
12 → 48 V dc Amber Bracket DC Flashing Electronic 115dB SB150-1 Xenon Red - - 63 ATEX
RS Stock No. 132-970
Mfr. Part No.LEDA600-01
BrandMoflash
£173.64
Each
Units
24 V dc Red/Green/Amber Bracket, Foot/Pole, Surface Mount AC, DC Flashing Electronic 90dB Spectrum 600 LED - - 90dB - -
RS Stock No. 755-9584
Mfr. Part No.LEDA125-03-02
BrandMoflash
£109.73
Each
Units
115 V ac Red Base Mount AC Flashing, Steady Buzzer 90dB LEDA125 LED Black - 90dB 2 -