Sounder Beacons

Sounder beacons are dual function warning devices. They integrate a beacon lamp and an audible sounder to form an audio and visual alarm.

How do Sounder Beacons work?

Sounder beacons come with different tones incorporating high frequencies, low frequencies and industry-standard frequency patterns. They have different lens colours to give an enhanced warning signal, for example, red lens to alert to fires for a fire alarm, that can be synchronised with the sound output tone. Some sounders are equipped with volume control and tuneable features and are available in a wide range of supply voltages. An isolator switch turns the device on and off.

Beacons may be constructed with LEDs or halogen bulbs similar to those used in xenon flashtubes or LED floodlights. The sounder devices have low current consumption and can have a deep base for surface wiring or a shallow base for a more compact design so are suitable for any installation.

What are sounder beacons used for?

Sounder beacons are often used as emergency signalling such as an addressable fire alarm system. Sounder beacons can also be used for communication, such as the status of an airport, by the rotational pattern, strobe or colour of the beacon. Weatherproof and flame retardant options mean these sounders are suitable for all conventional alarm applications such as fire alarm sounders, school bells, and various detector signalling.


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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. 436-1747
Mfr. Part No.RA201-21RS
BrandMoflash
SGD162.59
Each
units
24 V dc Lens Not Included Surface Mount DC Rotating Buzzer 85dB RA201 Incandescent Black - - 1 -
RS Stock No. 489-4966
Mfr. Part No.PSC-0013
BrandKlaxon
SGD143.65
Each
units
17 → 60 V dc Red Surface Mount DC Flashing, Steady Electronic 106dB Sonos LED Red - - 32 -
RS Stock No. 223-1313
Mfr. Part No.AL105NXDC024R/A
Brande2s
SGD350.28
Each
units
24 V dc Amber Surface Mount DC Flashing Electronic 112dB AL105N Xenon Red 96dB 105dB 32 -
RS Stock No. 529-4395
Mfr. Part No.AS/SB/024/R/110/AL
BrandFulleon
SGD375.26
Each
units
18 → 30 V dc Amber Surface Mount DC Flashing Electronic 110dB Asserta Maxi LED Red - 110dB 42 -
RS Stock No. 787-2256
Mfr. Part No.SB1501RL05DCNNNARDN
BrandMoflash
SGD1,772.17
Each
units
12 → 48 V dc Red Bracket DC Flashing, Rotating, Steady Electronic 115dB SB150-1 LED Red - - 63 ATEX
RS Stock No. 859-3030
Mfr. Part No.PL22SFBZR24
SGD64.08
Each
units
24 V ac/dc Red Panel Mount AC, DC Flashing Buzzer 95dB PL LED - - 95dB 1 -
RS Stock No. 755-4043
Mfr. Part No.90012R0
SGD115.45
Each
units
9 → 30 V dc Amber Bayonet Mount DC Strobe Electronic 110dB Banshee Excel Lite Xenon Red 95dB 110dB 32 -
RS Stock No. 539-4710
Mfr. Part No.PNC-0015
BrandKlaxon
SGD299.47
Each
units
10 → 60 V dc Amber Surface Mount DC Flashing Electronic 110dB Nexus Xenon Red - - 64 -
RS Stock No. 534-9681
Mfr. Part No.42012075
BrandWerma
SGD275.12
Each
units
24 V ac/dc Red Surface Mount AC, DC Steady Electronic 105dB 420 LED Black - - 8 -
RS Stock No. 615-7124
Mfr. Part No.AL112NXDC024R/R
Brande2s
SGD444.83
Each
units
24 V dc Red Surface Mount DC Flashing Electronic 119dB AL112N Xenon Red 100dB 112dB 45 -
RS Stock No. 623-6671
Mfr. Part No.VTB32-DB-RB/AL
SGD104.80
Each
units
18 → 35 V dc Amber Surface Mount DC Flashing Electronic 93dB Combi 32 LED Red 87dB 93dB 32 -
RS Stock No. 535-7878
Mfr. Part No.42032075
BrandWerma
SGD275.12
Each
units
24 V ac/dc Yellow Surface Mount AC, DC Steady Electronic 105dB 420 LED Black - - 8 -
RS Stock No. 623-3313
Mfr. Part No.BEXCS11005DPFDC024AB1A1R/A
Brande2s
SGD1,733.98
Each
units
24 V dc Amber Surface Mount DC Flashing Electronic 117dB BExCS110-05 Xenon Red 72dB 110dB 32 ATEX
RS Stock No. 755-4062
Mfr. Part No.90020R0
SGD119.66
Each
units
9 → 30 V dc Red Bayonet Mount DC Strobe Electronic 110dB Banshee Excel Lite LED Red 95dB 110dB 32 -
RS Stock No. 798-3882
Mfr. Part No.43511060
BrandWerma
SGD869.40
Each
units
115 → 230 V ac Red Bracket AC Rotating Horn 108dB 435 LED Grey - - - -
RS Stock No. 623-3329
Mfr. Part No.BEXCS11005DPFAC230AB1A1R/A
Brande2s
SGD1,825.28
Each
units
230 V ac Amber Surface Mount AC Flashing Electronic 117dB BExCS110-05 Xenon Red 72dB 110dB 32 ATEX
RS Stock No. 798-3851
Mfr. Part No.43310060
BrandWerma
SGD682.70
Each
units
115 → 230 V ac Red Bracket AC Flashing Electronic 112dB 433 LED Grey - - 32 -
RS Stock No. 865-1637
Mfr. Part No.LEDA100-01-04
BrandMoflash
SGD86.37
Each
units
8 → 20 V ac/dc Green Surface Mount, Wall Mount AC, DC Flashing Buzzer 80dB LEDA100 LED Black - - - -
RS Stock No. 772-0824
Mfr. Part No.AB105LDAAC230G/A
Brande2s
SGD389.53
Each
units
230 V ac Amber Side Mount AC Strobe Electronic 112dB AB105LDA LED Grey 100dB 112dB 32 -
RS Stock No. 360-0631
Mfr. Part No.58015268
BrandWerma
SGD242.89
Each
units
230 V ac Red Surface Mount AC Steady Horn 92dB 580 Incandescent Grey - 92dB - -