E2S BExS120 Alarm Sounder


The flameproof E2S BExS120 Alarm Sounder is used for Zone 1, 2, 21 & 22 applications, approved to IECEx, ATEX, Ex EAC and INMETRO standards. Sound level outputs are up to 123dB(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 with chromate and powder coat finish. For fire applications the BExS120D 24V dc siren is CPD EN89/106/EEC compliant (EN54-3 tested).

E2S BExS120 Alarm Sounder

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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:
- 45 alarm tones
- 4 remotely selectable stages
- Any tone can be assigned to any stage
- User configurable continuous frequency tone.
Max. output: 123dB(A) @ 1 metre [114dB(A) @ 10ft/3m]
Nominal output: 117dB(A) @ 1m +/- 3dB -
Tone 2 [108dB(A) @ 10ft/3m]
No. of tones: 32 (UKOOA / PFEER compliant)
No. of stages: 3
Volume control: Max. 117dB(A)
Min. 108dB(A) - Tone 2
Effective range: 200m/656ft @ 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
Color: RAL3000 Red
Grey RAL7038
Special - available on request
Horn: High impact UL94 V0 & 5VA FR ABS
Cable entries: Dual M20 ISO (one stopping plug inc)
Terminals: 0.5 - 2.5mm² (20-14 AWG)
Line monitoring: Min. 500 Ohm 2w, or 3k3 Ohm
0.5w res. or diode within
Exd enclosure (dc versions)
Weight: DC: 3.20kg/7.04Ibs
AC: 3.40kg/7.48Ibs