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BExS110-R/BExDS110-R Radial Output Alarm Sounders 1-22-060

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The flameproof BExS110-R alarm sounder is suitable for Zone 1 & Zone 2 applications and the BExDS110-R sounder also for Zone 21 & 22.
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Radial Output Alarm Sounders


Sound level ouputs are up to 117dB(A) at 1 metre with a choice of 32 alarm tones and 3 remotely selectable stages. The BEx range features enclosures manufactured from corrosion proof, marine grade copper free LM6 aluminium which is phosphated and powder coated. The radial horn on the compact BExS110-R distributes the warning signal omni-directionally. The radial horn is manufactured from high impact, fire retardant ABS.

All models have two M20 cable entries, large termination areas containing in & out terminals (Ex de version only) and an ingress protection of IP66/67 (Ex d) and IP66 (Ex de).


Datasheet Datasheet.pdf
Ex d Gas installation IS2421-P-F__BExS120_110D_Gas_Multilingual_.pdf
Ex d & Ex tD Gas & Dust installation IS2451-P-E__BExDS120_110D_Gas-Dust_Multilingual_.pdf
Ex de Gas installation IS2422-P-F__BExS120_110E_Gas_Multilingual_.pdf
Ex de & Ex tD Gas & Dust installation IS2452-P-E__BExDS120_110E_Gas-Dust_.pdf
IECEx certificate IECEx_KEM_10.0003_Issue_1.pdf
ATEX certificate KEMA_99ATEX6312_Issue_3.pdf
INMETRO certificate 10-IEx-0009_Rev_1_BExS.pdf
Russian Ex certificate EAC_EU_C-GB.AA71.B.00273_20.pdf
RTN permit RTN_permit_PPC_00-29227.pdf
Russian Fire certificate Russian_Fire_Certificate_-GB.25..01082.PDF
Russian Maritime register 19.00195.278.pdf
Hong Kong Fire Dept. cert. HK_FSD_BEx.pdf
Declaration of Conformity DC-001_Issue_H_BExS__BExL.pdf
Declaration of Conformity DC-068_Issue_B_BExS_Ex_de.pdf
2D drawing (PDF) SK0257_Issue_A.pdf
2D drawing (PDF) SK0258_Issue_A.pdf
Hi-res product image 1 (TIFF) 1-22-060_BExS110D-R.tif
Hi-res product image 2 (TIFF) 1-22-060_BExDS110-R.tif
Lo-res product image 1 (JPG) 1-22-060_BExS110D-R.jpg
Lo-res product image 2 (JPG) 1-22-060_BExDS110-R.jpg
2D drawing (DWG) SK0257_Issue_A.dwg
2D drawing (DWG) SK0258_Issue_A.dwg


  • Omni-directional sound output.
  • Automatic synchronisation on multi-sounder system.
  • Very large termination area.
  • Ratchet adjustable stainless steel ‘U’ bracket.
  • IN & OUT terminals (Ex de version only).
  • ‘Programmable’ version available:

    - 45 alarm tones

    - 4 remotely selectable stages

    - Any tone can be assigned to any stage

    - User configurable continuous frequency tone


Maximum output: 117dB(A) @ 1 metre [108dB(A) @ 10ft/3m]
Nominal output: 110dB(A) @ 1m +/- 3dB – Tone 2 [101dB(A) @ 10ft/3m]
No. of tones: 32 (UKOOA / PFEER compliant)
No. of stages: 3
|Volume control:
Max. 110dB(A);
Min. 72dB(A) – Tone 2
Effective range: 100m/328ft @ 1KHz
Voltages DC: 12vdc; 24vdc; 48vdc
Voltages AC: 115vac; 230vac

Stage switching:|Negative or positive|
|Ingress protection:|S110D : IP66/67 S110E : IP66|
|Enclosure matl:|Marine grade copper free LM6
|Enclosure finish:|Chromate & powder coated finish – anti-corrosion.|
|Colour:|RAL3000 Red
(others available on request)|
|BExS110 flare:|High impact UL94 V0
& 5VA FR ABS (Red)|
|BExDS110 flare:|Anti-Static High impact ABS (Black)|
|Cable entries:|Dual M20 ISO (one stopping plug inc)|
|Terminals:|0.5 – 2.5mm² (20-14 AWG)|
|Enclosure volume:|<2 litres|
|Line monitoring:|Blocking diode included
EOL Min. 500 Ohm 2w, or 3k3 Ohm 0.5w resistor
or diode (DC versions) can be fitted|
|Weight:|DC: 3.00kg/6.6Ibs AC: 3.20kg/7.04Ibs|

Current Consumption

Version: Voltage: Current:
12V dc +/-25% 195mA
24V dc +/-25% 265mA
48V dc +/-25% 130mA
115V ac 50/60Hz +10/-10% 110mA
230V ac 50/60Hz +10/-10% 56mA

Part Codes

Part Code: Classification:
II 2G Ex d IIB T4 Ta. -50° to +70°C
II 2G Ex d IIC T4 Ta. -50° to +55°C
1ExdIICT4 Ta. -50° to +55°C
II 2G Ex de IIB T4 Ta. -50° to +70°C
II 2G Ex de IIC T4 Ta. -50° to +55°C
2ExdeIICT4 Ta. -50° to +55°C
II 2G Ex d IIB T4 Ta. -50° to +70°C
II 2G Ex d IIC T4 Ta. -50° to +55°C
II 2D Ex tD A21 IP67 T115
based on a max. Ta. of 70°C
1ExdIICT4 Ta. -50° to +55°C T100°C
DIP A21 Ta T4
II 2G Ex de IIB T4 Ta. -50° to +70°C
II 2G Ex de IIC T4 Ta. -50° to +55°C
II 2D Ex tD A21 IP66 T115
based on a max. Ta. of 70°C
2ExdeIICT4 Ta. -50° to +55°C
DIP A21 Ta T4
** = Voltage reference:
Options: 12DC, 24DC, 48DC, 115AC, 230AC
Add ‘-P’ to part number for Programmable version


  • ATEX certificate: KEMA 99ATEX6312,

    EN 60079-0 : 2006, EN 60079-1 : 2007,

    EN 60079-7 : 2003, EN 61241-0 : 2006,

    EN 61241-1 : 2004
  • IECEx certificate: IECEx KEM 10.0003,

    IEC 60079-0 : 2004 (Ed4), IEC 60079-1 : 2007 (Ed6),

    IEC 60079-7 : 2001 (Ed3), IEC 61241-0 : 2004 (Ed1),

    IEC 61241-1 : 2004 (Ed1)
  • GOST-R certificate: POCC GB.JB05.B03365
  • Safety-integrity suitability: SIL1
  • Inmetro certificate: 10-IEx-0009

Tone Table

Stage 1 WAV file Frequency Description. Stg 2 Stg 3
T 1 /system/1/assets/files/000/000/405/405/214ccf82a/original/TF037.WAV Continuous 1000Hz Toxic Gas Alarm T 31 T 11
T 2 /system/1/assets/files/000/000/419/419/e353c86c4/original/TF002.WAV Alternating 800/1000Hz at 0.25s intervals T 17 T 5
T 3 /system/1/assets/files/000/000/417/417/abf396de0/original/TF003.WAV Slow Whoop 500/1200Hz at 0.3Hz with 0.5s gap repeated T 2 T 5
T 4 /system/1/assets/files/000/000/420/420/50f9ee7a7/original/TF004.WAV Sweeping 800/1000 at 1Hz T 6 T 5
T 5 /system/1/assets/files/000/000/421/421/b578af8a9/original/TF005.WAV Continuous at 2400Hz T 3 T 27
T 6 /system/1/assets/files/000/000/422/422/42b72dd93/original/TF006.WAV Sweeping 2400/2900Hz at 7Hz T 7 T 5
T 7 /system/1/assets/files/000/000/373/373/a686b0abe/original/TF007.WAV Sweeping 2400/2900Hz at 1Hz T 10 T 5
T 8 /system/1/assets/files/000/000/376/376/00cd26f9e/original/TF008.WAV Siren 500/1200/500Hz at 0.3Hz T 2 T 5
T 9 /system/1/assets/files/000/000/386/386/ceb4e488c/original/TF009.WAV Sawtooth 1200/500Hz at 1Hz T 15 T 2
T 10 /system/1/assets/files/000/000/374/374/021ee6540/original/TF010.WAV Alternating 2400/2900Hz at 2Hz T 7 T 5
T 11 /system/1/assets/files/000/000/377/377/ac5498db0/original/TF011.WAV Intermittent 1000Hz at 0.5Hz General alarm T 31 T 1
T 12 /system/1/assets/files/000/000/375/375/771bd7a3e/original/TF012.WAV Alternating 800/1000Hz at 0.875Hz T 4 T 5
T 13 /system/1/assets/files/000/000/378/378/6380218ec/original/TF013.WAV Intermittent 2400Hz at 1Hz T 15 T 5
T 14 /system/1/assets/files/000/000/379/379/51c1bb5a9/original/TF014.WAV Intermittent 800Hz 0.25s on 1s off T 4 T 5
T 15 /system/1/assets/files/000/000/380/380/06feaa7b3/original/TF015.WAV Continuous at 800Hz T 2 T 5
T 16 /system/1/assets/files/000/000/381/381/93f51c79a/original/TF016.WAV Intermittent 660Hz 150mS on, 150mS off T 18 T 5
T 17 /system/1/assets/files/000/000/382/382/2c2978b6a/original/TF017.WAV Alternating 544Hz (100mS)/440Hz(400mS) T 2 T 27
T 18 /system/1/assets/files/000/000/397/397/d6d84d0c3/original/TF018.WAV Intermittent 660Hz 1.8s on, 1.8s off T 2 T 5
T 19 /system/1/assets/files/000/000/383/383/11797b764/original/TF019.WAV 1400Hz to 1600Hz sweep up over 1s -1600Hz to 1400Hz sweep down over 0.5s T 2 T 5
T 20 /system/1/assets/files/000/000/384/384/5c30f9f4d/original/TF020.WAV Continuous 660Hz T 2 T 5
T 21 /system/1/assets/files/000/000/385/385/a85a0a356/original/TF021.WAV Alternating 554/440Hz at 1Hz T 2 T 5
T 22 /system/1/assets/files/000/000/387/387/d33e565a9/original/TF022.WAV Intermittent 554Hz at 0.875Hz T 2 T 5
T 23 /system/1/assets/files/000/000/388/388/b4cf9203e/original/TF023.WAV 800Hz pulsing at 2Hz T 6 T 5
T 24 /system/1/assets/files/000/000/389/389/68683d240/original/TF024.WAV Sweeping 800/1000Hz at 50Hz T 29 T 5
T 25 /system/1/assets/files/000/000/398/398/7c1bf5e00/original/TF025.WAV Sweeping 2400/2900Hz at 50Hz T 29 T 5
T 26 /system/1/assets/files/000/000/395/395/631e82dc8/original/TF026.WAV Simulated bell sound T 2 T 1
T 27 /system/1/assets/files/000/000/390/390/10abe0caa/original/TF027.WAV Continuous 554Hz T 26 T 5
T 28 /system/1/assets/files/000/000/391/391/5f7a58b54/original/TF028.WAV Continuous 440Hz T 2 T 5
T 29 /system/1/assets/files/000/000/392/392/68d5d1294/original/TF029.WAV Sweeping 800/1000Hz at 7Hz T 7 T 5
T 30 /system/1/assets/files/000/000/402/402/9168c8c48/original/TF035.WAV 420Hz repeating 0.625s on, 0.625s off Australian alert signal T 32 T 5
T 31 /system/1/assets/files/000/000/386/386/ceb4e488c/original/TF009.WAV 1200/500Hz at 1 Hz Prepare to Abandon Platform T 11 T 1
T 32 /system/1/assets/files/000/000/400/400/aba6c8a51/original/TF036.WAV Sweeping 500/1200Hz 3.75s on, 0.25s off 15Hz T 26 T 1
Country specific or custom tone configurations and alarm frequencies are available upon request.

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