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BExS110 Explosion Proof Alarm Horn Sounder 1-22-040

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The flameproof BExS110 alarm sounders are suitable for Zone 1, 2, 21 & 22 applications. Approved to IECEx, ATEX, Ex EAC and INMETRO standards. Available as SIL 1 and SIL 2 compliant.
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Explosion Proof Alarm Horn Sounder


Sound level outputs of up to 117dB(A) at 1 metre with a choice of 32 alarm tones and 3 remotely selectable stages. The BEx explosion proof Ex d range features enclosures manufactured from corrosion proof, marine grade copper free LM6 aluminium with chromate and powder coat finish. SIL1 & SIL2 Route 2H compliant to IEC61508 (2010) as standard, with optional diagnostic module for Route 1H SIL2 compliance. For fire applications the BExS110D 24V dc siren is MED compliant and CPD EN89/106/EEC compliant (EN54-3 tested).


Datasheet Datasheet.pdf
Installation Manual D210-01-001-IS_Issue_1_BExS110.pdf
Install manual: Product version [S] D210-01-651-IS_Issue_1__BExS110D-SIL_.pdf
Installation Manual - Russia D210-00-001-IS-RUS_Issue_6__BExS110DF_BExS110DR_.pdf
Mode d'emploi - Francais D210-00-001-IS-FRA_Issue_7_BExS110D.pdf
INMETRO Installation Manual IS2421-P-IEx_Issue_B.pdf
IECEx certificate IECEx_KEM_10.0003X_Issue_4_BExS__BExL.pdf
ATEX certificate KEMA_99ATEX6312X_Issue_6_BExS__BExL.pdf
VdS certificate VdS_G206011_BExS110D_2020-09-04.pdf
UKCA Certificate UL22UKEX2638X_Rev_0_BExS__BExL.pdf
EC CPR Certificate 0708-CPD-20225_BExS110D__BExS120D.pdf
INMETRO certificate IEx10.0009X_R4_BExS_BExL.pdf
Ex EAC TR CU 012/2011 Certificate RU_-GB.65..01252_21.pdf
Russian Fire certificate EAC043-RU_C-GB.68.B.00881-22__GNExS_BExS110_.pdf
Russian Maritime register 19.00195.278.pdf
CCOE PESO COOE_P493434-1_BExS.pdf
MED certificate MEDB00001BU.pdf
DNV MED Module D cert MEDD00000GV-R5.pdf
ECAS Ex Approval ECAS_23-07-78391_E23-07-080282_NB0007_BExS-L.pdf
Hong Kong Fire Dept. cert. HK_FSD_BEx.pdf
Declaration of Conformity DC-001_Issue_P_BExS__BExL.pdf
Declaration of Conformity SIL2 DC-064_Issue_G_BExS_SIL2.pdf
Declaration of Conformity UKCA DC-104_Issue_A_BExS__BExL_UKCA.pdf
SIL Certificate: Product version [A] T901-124_2_SIL2_SIL1_2H__BExS_.pdf
SIL Certificate: Product version [S] T746_1.1_-040.1_SIL2_1H__BExS_.pdf
Declaration of Performance DP_-_0786-CPD-20225-Issue_A_BExS110D__BExS120D.pdf
2D drawing (PDF) D210-05-001_Issue_2.pdf
2D drawing (DWG) D210-05-001_Issue_2.dwg
3D drawing (STEP) D210-05-001-3D_Issue_A.STEP
EOL Monitoring Drawing SK0444_Issue_A.pdf
Wiring Schematic DC voltage D210-06-001_Issue_1_BExS110_S120D_DC.pdf
Wiring Schematic AC voltage D210-06-005_Issue_1_BExS110_S120D_AC.pdf
Nameplate Drawing D210-09-001_Issue_1_BExS110D.pdf
Equipment Tag Drawing D254-00-101_Issue_1.pdf
Duty Label Drawing D254-00-001_Issue_1.pdf
Pole Mount & Sun Shade Drawing D217-05-001_Issue_2__BExS110_L15F_.pdf
Lo-res product image 1 (JPG) 1-22-040_BExS110D.jpg


  • Marine grade, corrosion proof, LM6 aluminium enclosure.
  • Ingress protection IP66/67
  • Stainless steel fixings
  • Dual M20 cable entries – adaptors available.
  • Stopping plug included.
  • Reverse polarity diode fitted.
  • Automatic synchronisation on multi-sounder system.
  • Very large termination area.
  • Ratchet adjustable stainless steel ‘U’ bracket.
  • ‘Stage Programmable’ version available with 45 tones & 4 remotely selectable stages.


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 @ 1KHz
Voltages DC: 12Vdc; 24Vdc; 48Vdc
Voltages AC: 115Vac; 230Vac
Stage switching: Negative or positive
Ingress protection: IP66/67
Enclosure matl: Marine grade copper free LM6 Aluminium
Enclosure finish: Chromate & powder coated finish – anti-corrosion.
Colour: Red or Special – available on request
BExS110 horn: High impact UL94 V0 & 5VA FR ABS (Red)
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
Grounding stud: M5
Temp. range: -50° to +70°C (-58°F to +158°F)
Relative humidity: 95% – Additional tropicalisation is recommended for applications where both high relative humidity and high ambient temperatures exist
MTBF DC: 192.02 years / 1,682,086 hours – MIL 217
MTBF AC: 186.68 years / 1,635,323 hours – MIL 217
Weight: DC: 3.00kg AC: 3.20kg
Version A1: SIL1 and SIL2 Route 2H
Version M1: MED (Marine Equipment Directive) approved, 24V dc only
Version P1: Stage programmable – 4 remotely selectable stages
45 alarm tones – any tone can be assigned to any stage. User configurable continuous frequency tone
Version S1/J1: SIL2 Route 1H with diagnostics SFF: >99%
See install manual for reliability & functional safety data
Version T1: Tropicalised SIL1 and SIL2 Route 2H
*SPL data +/-3dB(A). Measured at optimum voltage.

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: Identifier: Description:
Product type: BExS110 Explosion proof alarm horn sounder
Type: DF Ex d, Flare re-entrant horn
Voltage: DC012
12V dc
24V dc
48V dc
115V ac
240V ac
Cable entries:[e] A
2 x M20x1.5mm
2 × 1/2" NPT – adaptors
2 × 3/4" NPT – adaptors
2 x M25x1.5mm – adaptors
1 × 1/2" NPT – adaptor
1 × 3/4" NPT – adaptor
1 x M25x1.5mm – adaptor
Stopping plug/
adaptor material: [m]
Nickel Plated
Stainless Steel
Bracket matl & tag: [s] 1
A2 304 Stainless Steel
A4 316 Stainless Steel
A2 304 St/St with Equip. Tag
A4 316 St/St with Equip. Tag
Product version: [v] A1




Default – IECEx, ATEX, Ex EAC & INMETRO– SIL1 & SIL2 Route 2H
IECEx, ATEX, Ex EAC & INMETRO, MED (24Vdc only)– SIL1 & SIL2 Route 2H
Stage programmable – IECEx, ATEX, Ex EAC & INMETRO – SIL 1
IECEx, ATEX, Ex EAC & INMETRO – SIL2 Route 1H with diagnostics SFF: >99%
Tropicalised – IECEx, ATEX, Ex EAC & INMETRO – SIL1 & SIL2 Route 2H
Enclosure colour: [x] R
Special – contact E2S
Pole Mount Bracket Kit St/St A4 (316)
Sunshade – St/St A4 (316)


  • IECEx Certificate: KEM 10.0003X
  • ATEX Certificate: KEMA 99ATEX6312X
  • TR-CU Ex EAC certificate: RU C-GB.HA65.B.01252_21
  • VdS certificate: G206011
  • UKCA certificate: UL22UKEX2638X
  • CPD certificate: 0786-CPD-20225
  • SIL1 & SIL2 compliant to IEC61508 (2010)
  • INMETRO certificate: 10-IEx-0009
  • Marine Equipment Directive (MED) Certificate: MEDB00001BU


  • II 2G Ex db IIB T4 Ta -50°C to +70°C
  • II 2G Ex db IIC T4 Ta -50°C to +55°C
  • II 2D Ex tb IIIC T100°C Db Ta -50°C to +55°C
  • II 2D Ex tb IIIC T115°C Db Ta -50°C to +70°C

Tone Table

Stage 1 WAV file Frequency Description. Stage 2 Stage 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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