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SONFL1X-HO High Output Alarm Horn & Xenon Strobe 2-31-070

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The SONFL1X-HO features the 105dB(A) SONF1-HO alarm horn sounder combined with the L101X Xenon strobe beacon. The compact, robust housing is ideal for all general signalling applications including fire, security and process control.
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High Output Alarm Horn & Xenon Strobe

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The 5 Joule Xenon strobe generates over 200 candela of light output. DC versions have multile flash rates selectable udring installation. Sounder & beacon may be connected from a single supply for simultaneous operation or from separate supplies for independent operation.


Datasheet Datasheet.pdf
Sounder/horn installation SONF1_HO_Inst__ISN0603-B_.pdf
Beacon/light installation L101X__D185-00-001-IS_Issue_2_.pdf
CPR EN54-23 version installation manual SONFL1X-HO_D176-00-551-IS-SC-CPR_Iss_B.PDF
VdS certificate VdS_G214028_SONFL1X_2019-06-10.pdf
EC Certificate of Conformity 0786-CPR-21348_SONFL1X.pdf
Russian EAC Declaration of Conformity D-GB.GA05.B.12595-20-24.03.2025.pdf
Russian Fire certificate Russian_Fire_Certificate_-GB.25..01082.PDF
Russian Maritime register 19.00193.278.pdf
Declaration of Conformity DC-057_Issue_G_SONFL1X__SONFL1H.pdf
Declaration of Performance DP_-_0786-CPR-21348-Issue_A_SONFL1X__SONFL1X-HO.pdf
Hi-res product image 1 (TIFF) 2-31-070_SONFL1X-H-R-C.tif
Hi-res product image 2 (TIFF) 2-31-070_SONFL1X-H-G-R.tif
Hi-res product image 3 (TIFF) 2-31-070_SONFL1X-H-R-R.tif
Lo-res product image 1 (JPG) 2-31-070_SONFL1X-H-R-C.jpg
Lo-res product image 2 (JPG) 2-31-070_SONFL1X-H-G-R.jpg
Lo-res product image 3 (JPG) 2-31-070_SONFL1X-H-R-R.jpg
2D drawing (PDF) SK0142_Issue_B.pdf
2D drawing (DWG) SK0142_Issue_B.dwg


  • Automatic synchronisation on multi-sounder system.
  • High output Xenon beacon
  • DC voltage units feature multiple flash rates.
  • Continuously rated.
  • Stainless steel fixings.
  • Mounting via internal BESA compatible fixing positions or via external mounting lugs.
  • Duplicate cable terminations (in & out for daisy-chain installations).
  • Tropicalisation available on request.
  • Available with custom tone configurations and frequencies.


Maximum output: 105dB(A) @ 1 metre [96dB(A) @ 10ft/3m]
Nominal output: 103dB(A) @ 1m +/- 3dB – Tone 1 [94dB(A) @ 10ft/3m]
No. of tones: 10 (UKOOA / PFEER compliant)
No. of stages: 2
Effective range: 32m/105ft @ 1KHz
Energy: 5 Joules (5Ws)
Flash rate: 1Hz (60 fpm)
Peak Candela: 500,000 cd – calculated from energy (J)
Effective Intensity: 250 cd – calculated from energy (J)
Peak Candela: 86,935 cd* – measured ref. to I.E.S.
Effective Intensity: 200 cd* – measured ref. to I.E.S.
Lens colours: Amber, Blue, Clear, Green, Magenta, Red & Yellow
Tube life: Emissions are reduced to 70% after 5 million flashes
Voltages DC: 12Vdc; 24V dc
Ingress protection: IP66
Housing material: High impact UL94 V0 & 5VA FR ABS
Colour: Red (RAL3000), grey (RAL7038) & white.
Lens material: PC
Cable entries: 4 x M20 clearance gland knockouts in side & back
Terminals: 0.5 to 1.5mm² cables.
Operating temp: -25 to +55°C [-13° to +131°F]
Storage temp: -40 to +70°C [-40° to +158°F]
Relative humidity: 90% at 20°C [68°F]
Weight: 0.50kg/1.1Ibs
*SPL data +/-3dB(A). Measured at optimum voltage.
*Candela measurements representative of performance with clear lens at optimum voltage.

Part Codes

Version: Part code:
12V dc SONFL1XDC012[x]/[y]-H
24V dc SONFL1XDC024[x]/[y]-H
[x] = Enclosure colour: G: Grey (RAL7038)
R: Red (RAL3000)
W: White
y] = Lens colour: A: Amber
B: Blue
C: Clear
G: Green
M: Magenta
R: Red
Y: Yellow
CPR – EN54-3 & EN54-23:
Part code: SONFL1XDC024[x]/C-H
Environmental class: Type B – for outdoor use
Visual range: Category W-2.4-4.8
Signal colour: Clear (1Hz)

Alarm sounder

Version: Voltage: Current :
12V dc 10-18V dc 50mA
24V dc 18-30V dc 80mA


  • VdS approved: EN54-3 & EN54-23 (CPR 305/2011/EU).
  • GOST-R approved. Cert: POCC GB-JB05-H00144.

xenon beacon

Version: Voltage: Current :
12V dc 10-14V dc 500mA
24V dc 20-28V dc 250mA

Tone Table

Stage 1 WAV file Frequency Description Stage 2
T 1 /system/1/assets/files/000/000/419/419/e353c86c4/original/TF002.WAV 800/1000Hz @ 0.25 sec Alternating T 8
T 2 /system/1/assets/files/000/000/417/417/abf396de0/original/TF003.WAV 500/1200Hz @ 0.3Hz 0.5 sec Slow Whoop T 1
T 3 /system/1/assets/files/000/000/386/386/ceb4e488c/original/TF009.WAV 1200/500Hz @ 1Hz – DIN / PFEER P.T.A.P. T 8
T 4 /system/1/assets/files/000/000/382/382/2c2978b6a/original/TF017.WAV 544Hz (100mS)/440Hz (400mS) – NF S 32-001 T 9
T 5 /system/1/assets/files/000/000/395/395/631e82dc8/original/TF026.WAV Bell T 1
T 6 /system/1/assets/files/000/000/392/392/68d5d1294/original/TF029.WAV 800/1000Hz @ 7Hz Sweeping T 8
T 7 /system/1/assets/files/000/000/400/400/aba6c8a51/original/TF036.WAV 500-1200Hz 3.75sec /0.25sec. Australian Evac. T 10
T 8 /system/1/assets/files/000/000/405/405/214ccf82a/original/TF037.WAV 1000Hz Continuous – PFEER Toxic Gas
T 9 /system/1/assets/files/000/000/390/390/10abe0caa/original/TF027.WAV Continuous 554Hz
T 10 /system/1/assets/files/000/000/402/402/9168c8c48/original/TF035.WAV 420Hz @ 0.625 sec Australian Alert

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