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Omni-directional Alarm Horn & LED Beacon

The flameproof BExCL110-L2-R combination omni-directional alarm horn sounder and high output LED beacon is suitable for Zone 1, 2, 21 & 22 applications. Approved to IECEx and ATEX standards.

The unique radial horn on the compact BExCL110-L2-R distributes the audible warning signal omnidirectionally allowing the visual signal to be orientated optimally. Sound level outputs are up to 115dB (A) at 1 meter with a choice of 32 alarm tones and 3 remotely selectable stages. The LED beacon contains an array of 4 high output, multi-function L.E.D.s. with a total of 7 modes of operation – 5 flashing modes and 2 steady modes for use in indicator / status applications. DC voltage versions feature three remotely selectable stages enabling multiple warnings to be signaled from one device.

  • Marine grade, corrosion proof, LM6 aluminum enclosure
  • Omni-directional sound output.
  • Automatic synchronization on multi-beacon & sounder systems.
  • Beacons can be set to ‘flip-flop’ alternating mode with other units on multi-beacon systems.
  • Very large termination area.
  • Dual M20 cable entries – adaptors available.
  • Stopping plug included.
  • Ratchet adjustable stainless steel ‘U’ bracket.
  • Reverse polarity diode fitted.
  • IP66/67 ingress protection.
  • 160 candela effective light intensity.
  • UV stable PC, field replaceable, color lens filters.
IECEx KEM 10.0002X
IEC 60079-0
IEC 60079-1
IEC 60079-31
EN 60079-0
EN 60079-1
EN 60079-31
2012 + A11
TR-CU Ex EAC certificate RU C-GB.AA71.B.00109
  • II 2G Ex d IIB T5 Gb Ta. -50°C to +50°C
  • II 2G Ex d IIB T4 Gb Ta. -50°C to +70°C
  • II 2D Ex tb IIIC T70°C Db Ta. -50°C to +40°C
  • II 2D Ex tb IIIC T85°C Db Ta. -50°C to +55°C
  • II 2D Ex tb IIIC T100°C Db Ta. -50°C to +70°C

2 x M20 cable entries; brass stopping plug. 304 (A2) Stainless steel mounting bracket and lens guard
Please specify lens color when orderingAmber, Blue, Clear, Green, Magenta, Red, Yellow

32 onboard selectable tones


Item Description
Maximum output 115dB (A) @ 1 meter [106dB (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 @ 1 KHz
Voltages 24V dc; 48V dc; 115V ac; 230V ac
Stage switching Negative or positive

LED Beacon

Item Description
Source Array of 4 x High Power Cree® LED’s
Modes 1Hz flash (60 fpm)
1.5Hz flash (90 fpm)
2Hz flash (120 fpm)
Double strike flash
Triple strike flash
High Power Steady
Low Power Steady
Eff. Intensity cd 87 cd – High Power Steady
Eff. Intensity cd 160 cd – 1Hz flash
Voltages 24V dc; 115V ac; 230V ac


Item Description
Ingress protection IP66/67
Enclosure material Marine grade copper free LM6 Aluminum
Enclosure finish Chromate & powder coated
Horn material High impact UL94 V0 & 5VA FR ABS (Red)
Cable entries Dual M20 ISO (one stopping plug incl.)
Terminals 0.5 – 2.5mm² (20-14 AWG)
Enclosure volume <2 liters
Line monitoring Blocking diode included
EOL Min. 500 Ohm 2w, or 3k3 Ohm 0.5w resistor or diode (DC versions) can be fitted
Grounding stud M5
Temperature range -50° to +70°C (-58°F to +158°F)
Relative humidity 90% at 20°C [68°F]
Weight DC4.80kg/10.56Ibs AC5.00kg/11Ibs
SPL data +/-3dB (A), Candela with clear lens – at optimum voltage
Alarm Sounder
Model Voltage Current LED Beacon Voltage Steady-High Current Steady-Low Current Flashing Current
BExCL110-024-(lens color) 24 VDC +/-25% 265mA 18-54 VDC 240mA 134mA 110mA
BExCL110-115-(lens color) 115 VAC +/-10% 50Hz/60Hz 110mA +/- 10% 95mA 78mA 90mA
BExCL110-230-(lens color) 230 VAC +/-10% 50Hz/60Hz 56mA +/- 10% 48mA 37mA 45mA
Stage 1 WAV file Frequency Description Stage 2 Stage 3
T 1 Continuous 1000Hz Toxic Gas Alarm T 31 T 11
T 2 Alternating 800/1000Hz at 0.25s intervals T 17 T 5
T 3 Slow Whoop 500/1200Hz at 0.3Hz with 0.5s gap repeated T 2 T 5
T 4 Sweeping 800/1000 at 1Hz T 6 T 5
T 5 Continuous at 2400Hz T 3 T 27
T 6 Sweeping 2400/2900Hz at 7Hz T 7 T 5
T 7 Sweeping 2400/2900Hz at 1Hz T 10 T 5
T 8 Siren 500/1200/500Hz at 0.3Hz T 2 T 5
T 9 Sawtooth 1200/500Hz at 1Hz T 15 T 2
T 10 Alternating 2400/2900Hz at 2Hz T 7 T 5
T 11 Intermittent 1000Hz at 0.5Hz General alarm T 31 T 1
T 12 Alternating 800/1000Hz at 0.875Hz T 4 T 5
T 13 Intermittent 2400Hz at 1Hz T 15 T 5
T 14 Intermittent 800Hz 0.25s on 1s off T 4 T 5
T 15 Continuous at 800Hz T 2 T 5
T 16 Intermittent 660Hz 150mS on, 150mS off T 18 T 5
T 17 Alternating 544Hz (100mS)/440Hz(400mS) T 2 T 27
T 18 Intermittent 660Hz 1.8s on, 1.8s off T 2 T 5
T 19 1400Hz to 1600Hz sweep up over 1s -1600Hz to 1400Hz sweep down over 0.5s T 2 T 5
T 20 Continuous 660Hz T 2 T 5
T 21 Alternating 554/440Hz at 1Hz T 2 T 5
T 22 Intermittent 554Hz at 0.875Hz T 2 T 5
T 23 800Hz pulsing at 2Hz T 6 T 5
T 24 Sweeping 800/1000Hz at 50Hz T 29 T 5
T 25 Sweeping 2400/2900Hz at 50Hz T 29 T 5
T 26 Simulated bell sound T 2 T 1
T 27 Continuous 554Hz T 26 T 5
T 28 Continuous 440Hz T 2 T 5
T 29 Sweeping 800/1000Hz at 7Hz T 7 T 5
T 30 420Hz repeating 0.625s on, 0.625s off Australian alert signal T 32 T 5
T 31 1200/500Hz at 1 Hz Prepare to Abandon Platform T 11 T 1
T 32 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.