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BEDHEAD Alarm Sounder 2-21-230

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The BEDHEAD flush mount alarm sounder is a low current consumption device suitable for close proximity signalling in fire and security applications.
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Alarm Sounder


Datasheet Datasheet.pdf
Installation Manual BEDHEAD_Inst__ISN2301-A_.pdf
Russian EAC Declaration of Conformity D-GB.GA05.B.12595-20-24.03.2025.pdf
Russian Maritime register 19.00193.278.pdf
Declaration of Conformity DC-036_Issue_E_Bedhead.pdf
2D drawing (PDF) SK0162_Issue_B.pdf
2D drawing (DWG) SK0162_Issue_B.dwg
Hi-res product image 1 (TIFF) 2-21-230_BEDHEAD_1.tif
Hi-res product image 2 (TIFF) 2-21-230_BEDHEAD_2.tif
Lo-res product image 1 (JPG) 2-21-230_BEDHEAD_1.jpg
Lo-res product image 2 (JPG) 2-21-230_BEDHEAD_2.jpg


Maximum output: 90dB(A) @ 1 metre [81dB(A) @ 10ft/3m]
Nominal output: 85dB(A) @ 1m +/- 3dB – Tone 1 [76dB(A) @ 10ft/3m]
No. of tones: 10
No. of stages: 3
Stage switching: Via negative supply
Volume control: On board potentiometer
Effective range: 10m/33ft @ 1KHz
Voltages DC: 24V dc (10-30V dc)
Current consumption: 8mA @ 24V dc
Housing material: High impact UL94 V0 & 5VA FR ABS
Colour: Red (RAL3000) & white.
Back box: Compatible with standard back box
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 : 0.06kg/0.13Ibs

Part Codes

Version: Part code:
24V dc BEDHEAD[x]
[x] = Housing colour: R: Red W: White
To order compatible back boxes quote part ref: PLMBBHCTW

Alarm sounder

Version: Voltage: Current:
24V dc 10-30V dc 20-80mA

Tone Table

Stage 1 WAV file Frequency Description. Stg 2 Stg 3
T 1 /system/1/assets/files/000/000/419/419/e353c86c4/original/TF002.WAV 800/1000Hz @ 0.25 sec Alternating T 8 T 5
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 8
T 3 /system/1/assets/files/000/000/386/386/ceb4e488c/original/TF009.WAV 1200/500Hz @ 1Hz – DIN / PFEER P.T.A.P. T 1 T 8
T 4 /system/1/assets/files/000/000/382/382/2c2978b6a/original/TF017.WAV 544Hz (100mS)/440Hz (400mS) – NF S 32-001 554Hz T 2
T 5 /system/1/assets/files/000/000/405/405/214ccf82a/original/TF037.WAV 1000Hz Continuous – PFEER Toxic Gas T 1 T 6
T 6 /system/1/assets/files/000/000/395/395/631e82dc8/original/TF026.WAV Bell T 1 T 8
T 7 /system/1/assets/files/000/000/392/392/68d5d1294/original/TF029.WAV 800/1000Hz @ 7Hz Sweeping T 5 T 1
T 8 /system/1/assets/files/000/000/398/398/7c1bf5e00/original/TF025.WAV 2400/2900Hz @ 50Hz Sweeping T 5 T 1
T 9 /system/1/assets/files/000/000/402/402/9168c8c48/original/TF035.WAV 420Hz @ 0.625 sec Australian Alert T 10 T 5
T 10 /system/1/assets/files/000/000/400/400/aba6c8a51/original/TF036.WAV 500-1200Hz 3.75sec /0.25sec. Australian Evac. T 6 T 5
Country specific or custom tone configurations and alarm frequencies are available upon request.

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