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BExCTS110-05/BExDCTS110-05 Combination Horn & Strobe 1-23-011

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The BExCTS110-05D is a flameproof telephone initiated
combined alarm horn sounder and Xenon strobe beacon which is certified to meet the requirements of the ATEX directive 94/9/EC and the IECEx Scheme. The sounder / beacon produces a loud audible signal and a visual signal, when triggered by a telephone ringing signal and can be used in hazardous areas where potentially flammable atmospheres may be present.

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Combination Horn & Strobe


Thirty two different sounds can be selected by internal switches, (see tone table on Page 5). The sounder produces output levels in the 110dB(A) range and the beacon produces an
output level of 5 joules. The unit can be used in Zone 1 and
Zone 2 areas with gases in groups IIA and IIB and with
Temperature Classifications of T1, T2, T3, and T4.


Datasheet Datasheet.pdf
Ex d Gas installation IS2446-75-P_Iss_1__BExCTS110-05D_Electronic_Sounder_Beacon_with_Call_Relay_.pdf
Ex d & Ex tD Gas & Dust installation IS2446-76-P_Iss_1__BExDCTS110-05D_Electronic_Sounder_Beacon_with_Call_Relay_.pdf
IECEx certificate IECEx_KEM_10.0025X_Issue_1_BExCS.pdf
ATEX certificate KEMA_01ATEX2223X_Issue_3_BExCS.PDF
Russian Ex certificate EAC_EU_C-GB.AA71.B.00273_20.pdf
Declaration of Conformity DC-005_Issue_G_BExCS.pdf
2D drawing (PDF) SK0116_Issue_B.pdf
2D drawing (DWG) SK0116_Issue_B.dwg
3D drawing (IGS) SK0116-3D_Issue_A.IGS
3D drawing (STEP) SK0116-3D_Issue_A.STEP
Hi-res product image 1 (TIFF) 1-23-011_BExCTS110-05D.tif
Hi-res product image 2 (TIFF) 1-23-011_BExCTS110-05D_REV.tif
Hi-res product image 3 (TIFF) 1-23-011_BExDCTS110-05D_REV.tif
Lo-res product image 1 (JPG) 1-23-011_BExCTS110-05D.jpg
Lo-res product image 2 (JPG) 1-23-011_BExCTS110-05D_REV.jpg
Lo-res product image 3 (JPG) 1-23-011_BExDCTS110-05D.jpg


  • The sounder and beacon can be set individually to either run continuously or pulsed at the cadence of the ringing tone.
  • Xenon tubes mechanically secured against
    shock & vibration
  • Ratchet adjustable stainless steel ‘U’ bracket.


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)
Volume control: Max. 110dB(A); Min. 72dB(A)
- Tone 2
Effective range: 100m/328ft @ 1KHz
Voltages DC: 12vdc; 24vdc; 48vdc
Voltages AC: 115vac; 230vac
Energy: 5 Joules (5Ws)
Flash rate: 1Hz (60 fpm)
Peak Candela: 500,000 cd – calculated from energy (J)
Eff. Intensity cd: 250 cd – calculated from energy (J)
Peak Candela: 34,812 cd* – measured ref. to I.E.S.
Eff. Intensity cd: 105 cd* – measured ref. to I.E.S.
Lens colours: Amber, Blue, Clear, Green, Red & Yellow
Tube life : Emissions are reduced to 70% after 8 million flashes
Ingress protection: IP66/67
Enclosure matl: Marine grade copper free
LM6 Aluminium
Enclosure finish: Chromate & powder coated
BExCTS110-05 flare: High impact UL94 V0
& 5VA FR ABS (Red)
BExDTCS110-05 flare: Anti-Static High impact ABS (Black)
Cable entries: Dual M20 ISO (one stopping plug included)
Terminals: 0.5 – 2.5mm² (20-14 AWG)
Enclosure volume: <2 litres
Grounding stud: M5
Temperature range: -50° to +70°C (-58°F to +158°F)
Relative humidity: 90% at 20°C [68°F]
Weight: DC: 4.80kg/10.56Ibs AC: 5.00kg/11Ibs

Current Consumption

Alarm Sounder Xenon Beacon
Version: Voltage: Current: Voltage: Current:
12V dc +/-25% 195mA 10-14V 750mA
24V dc +/-25% 265mA 20-28V 300mA
48V dc +/-25% 130mA 42-54V 180mA
115V ac 50/60Hz +/-10% 110mA +/-10% 140mA
230V ac 50/60Hz +/-10% 56mA +/-10% 55mA

Part Codes

Part Code: C­­­lassification:
II 2G Ex d IIB T4 Ta. -50° to +70°C
1ExdIIBT4 Ta. -50° to +55°C
II 2G Ex d IIB T4 Ta. –50°C to. +70°C
II 2D Ex tD A21 IP67 T115°C
based on max Ta. of +70°C
1ExdIIBT4 Ta. -50° to +55°C
DIP A21 Ta T5
[xx] = Voltage reference:
Options: 12DC, 24DC, 48DC, 115AC, 230AC
[yy] = Lens colour reference:
Options: AM: Amber, BL: Blue, CL: Clear, GN: Green, RD: Red, YW: Yellow


  • ATEX certificate: KEMA 01ATEX2223X,

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

    EN 61241-0 : 2006, EN 61241-1 : 2004
  • IECEx certificate: IECEx KEM 10.0025,

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

    IEC 61241-0 : 2004 (Ed1), IEC 61241-1 : 2004 (Ed1)
  • GOST-R certificate: POCC GB.JB05.B03365

Effective Candela lens colour factor

Amber Blue Clear Green Red Yellow
0.51 0.12 1.00 0.49 0.15 0.86

Tone Table

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

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