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. 536-4214
Mfr. Part No.855PC-B24ME622
£59.90
Each
Units
24 V ac/dc Blue Panel Mount AC, DC Flashing, Steady Electronic 98dB 855PC LED Black 85dB 98dB - -
RS Stock No. 901-2522
Mfr. Part No.XVR3M04S
£165.00
Each
Units
100 → 230 V ac Red Base Mount AC Flashing, Rotating Electronic 90dB Harmony XVR LED Black 70dB 90dB 1 -
RS Stock No. 755-4043
Mfr. Part No.90012R0
£54.41
Each
Units
9 → 30 V dc Amber Bayonet Mount DC Strobe Electronic 110dB Banshee Excel Lite Xenon Red 95dB 110dB 32 -
RS Stock No. 466-8868
Mfr. Part No.15010068
BrandWerma
£73.12
Each
Units
230 V ac Red Panel Mount AC Steady Buzzer 80dB 150 LED - - - - -
RS Stock No. 755-4074
Mfr. Part No.90025R0
£56.38
Each
Units
9 → 30 V dc Red Bayonet Mount DC Strobe Electronic 110dB Banshee Excel Lite LED White 95dB 110dB 32 -
RS Stock No. 787-2237
Mfr. Part No.SB1501AX20ACNNNARDN
BrandMoflash
£878.31
Each
Units
100 → 240 V ac Amber Bracket AC Flashing Electronic 115dB SB150-1 Xenon Red - - 63 ATEX
RS Stock No. 907-6318
Mfr. Part No.PNC-0063
BrandKlaxon
£138.37
Each
Units
24 → 48 V ac Amber Base Mount AC Flashing Electronic 116dB Nexus 110 LED Red - - 64 -
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. 655-8319
Mfr. Part No.42432075
BrandWerma
£132.17
Each
Units
24 V ac/dc Yellow Wall Mounting AC, DC Steady Horn 98dB 424 LED Grey - 98dB - -
RS Stock No. 180-626
Mfr. Part No.AS/M/SB/230/R/AL
BrandFulleon
£118.83
Each
Units
230 V ac Amber Wall Mounting AC Flashing Electronic 110dB Asserta Midi LED Red - 112dB 32 -
RS Stock No. 846-3608
Mfr. Part No.21554815000
£148.57
Each
Units
24 V ac/dc Red Base Mount AC, DC Flashing Electronic 100dB PY X-MA-05 Xenon Red - - 8 -
RS Stock No. 755-4046
Mfr. Part No.90012R5
£57.35
Each
Units
9 → 30 V dc Amber Bayonet Mount DC Strobe Electronic 110dB Banshee Excel Lite Xenon Red 95dB 110dB 32 -
RS Stock No. 824-6134
Mfr. Part No.SYG1/LX-W/RF/R1/WP
BrandFulleon
£77.00
Each
Units
19 → 28 V dc, 9 → 15 V dc Red Wall DC Flashing Electronic 100dB Symphoni WP LX LED Red - 100dB 29 -
RS Stock No. 223-1284
Mfr. Part No.AL105NXAC230R/A
Brande2s
£137.23
Each
Units
230 V ac Amber Wall Mounting AC Flashing Electronic 112dB AL105N Xenon Red 96dB 105dB 32 -
RS Stock No. 623-3313
Mfr. Part No.BEXCS11005DPFDC024AB1A1R/A
Brande2s
£817.23
Each
Units
24 V dc Amber Wall Mounting DC Flashing Electronic 117dB BExCS110-05 Xenon Red 72dB 110dB 32 ATEX
RS Stock No. 678-2900
Mfr. Part No.45010055
BrandWerma
£105.68
Each
Units
24 V dc Red Panel Mount DC Steady Buzzer 80dB 450 LED Black - - - -
RS Stock No. 360-0631
Mfr. Part No.58015268
BrandWerma
£93.70
Each
Units
230 V ac Red Wall Mounting AC Steady Horn 92dB 580 Incandescent Grey - 92dB - -
RS Stock No. 539-4710
Mfr. Part No.PNC-0015
BrandKlaxon
£141.14
Each
Units
10 → 60 V dc Amber Wall Mounting DC Flashing Electronic 110dB Nexus Xenon Red - - 64 -
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. 755-4059
Mfr. Part No.90015R5
£57.35
Each
Units
9 → 30 V dc Red Bayonet Mount DC Strobe Electronic 110dB Banshee Excel Lite Xenon White 95dB 110dB 32 -