E2S BExS120DF Explosion Proof Sounders

E2S BExS120DF Explosion Proof Sounders


E2S BExS120DF Explosion Proof Sounders for Hazardous Area Signalling Applications

The BExS120 alarm Explosion Proof Sounders are suitable for Zone 1, 2, 21 & 22 applications. Approved to IECEx, ATEX, Ex EAC and INMETRO standards. Sound level ouputs 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).


  • Operational Characteristics: 
– Electronic sounder up to 121dB.
– Ex d IIC zone 1, 2, 21 and 22 (IECEx).
– 32 tones, including ISO tones to Australian Standards.
– Automatic synchronisation on multi-sounder systems (requires sounders to be connected to the same supply).
– Volume control.
– 3 stage alarm.
– Line monitoring with blocking diode or optional EOL resistor.
– Sound Output: Max: 121dB (A) @ 1m, Nominal: 117-108dB with volume control.
– Sound Frequency: 32 tones (see tones table in attached pdf).
– Protection Rating: IP66 (IP67).
– Temp Rating (degrees Celsius): T4 -50 to +55.
– Duty: Continuous.
– Cable Entry: 2 x M20 ISO (one stopping plug included).
– Construction: LM6 aluminium housing, stainless steel guard and mounting bracket, ABS flare.
– Approval: II 2G Ex d IIC T4 (max ambient temperature +55 degrees Celsius), II 2G Ex d IIB T4 (max ambient temperature +70 degrees Celsius), II 2D Ex tD A21 IP67 T115 (DIP).
– Certificate: IECEx (KEM 10.0003X).
– Weight: DC – 3.2kg, AC – 3.4kg.


Order Code  Description
ESS6205X  12VDC +/- 25%, 850mA.
ESS6210X  24VDC +/- 25%, 800mA.
ESS6215X  48VDC +/- 25%, 420mA.
ESS6220X  115VAC +/- 10%, 180mA.
ESS6230X  230VAC +/- 10%, 90mA.


(please see attached PDF’s for further information)