BEx(D)S 120 d/e

Sounder 120 dB(A)
  • 32 different tones can be set; UKOOA/PFEER conform
  • 117 dB(A) ±3 dB(A) sound pressure
  • 3 externally selectable tones – positive and negative control possible in the case of DC devices
  • quartz-stabilised tone synchronisation
  • adjustable volume (except 12 V DC)
  • ATEX and optionally IECEx approval
  • housing made of die-cast aluminium LM6, horn made of ABS
  • stainless steel mounting bracket for 360° positioning
  • categories 2G and 3G (Zones 1 and 2)
  • also available as categories 2D & 3D (Zones 21 & 22) for dust zones
  • amendment 2; extended approval/temperature range +70 °C

operating between +70 / –50 °C

protection system

protection system

24 V DC

24 V DC

Pfannenberg 3D-Coverage

80 dB (A) 85 dB (A) 90 dB (A)
Coverage area with DIN tone and required sound levels.

Technical data

Electrical dataBExS 120 d/e / BExDS 120 d/e
Rated voltage230 V AC115 V AC48 V DC24 V DC12 V DC
Rated frequency50/60 Hz50/60 Hz
Operating range±10 %±10 %±25 %±25 %±25 %
Nominal current consumption90 mA180 mA420 mA800 mA850 mA

Further technical details can be found in the Download section on this page.


Description Type Size
BExS 120E-C 230 AC pdf 59 KB Download
Description Language Type Size Download

Product Sheet

  • English
pdf 1.7 MB Download

Operating manual D

  • German
  • English
pdf 550 KB Download

Operating manual E

  • German
  • English
pdf 280 KB Download

3D-Model (IGS)

  • English
zip 230 KB Download

3D-Model (SAT)

  • English
zip 160 KB Download

3D-Model (STEP)

  • English
zip 160 KB Download

Drawing (DWG)

  • German
  • English
dwg 260 KB Download

KEMA Approval

  • English
pdf 370 KB Download

Declaration of performance

BExS110D, BExS120D

  • English
  • German
pdf 75 KB Download

Ordering details

Ordering detailsBExS 120EBExS 120D
Rated voltage230 V AC24 V DC230 V AC24 V DC
Article number32078100000320788000003207610000032076800000
Ordering detailsBExDS 120EBExDS 120D
Rated voltage230 V AC230 V AC
Article number3208110000032089100000

To make the order process easy for you and to ensure a secure delivery, please see the information on the final article numbers.

Article numbers for products with other voltages and options on request.

Options / Accessories

Audio Samples

Product Benefits

  1. 1

    Powerful electronic sounders

    Certified for hazardous area use. When human safety matters most. Robust metal housing and flame retardant ABS projection horn for wide area notification.

  2. 2

    ATEX certified for Zones 1 and 2

    Satisfies requirements for device category 2G and 3G in hazardous areas with additional versions for Zones 21 and 22 (device categories 2D and 3D).

  3. 3

    Choice of output level and tone

    Versions for 110 and 120 dB(A) output levels, each with 32 selectable tones and 3 stages of alarm to signal multiple unique circumstances or events with one device.

  4. 4

    IP 66/67 enclosure rating

    Suitable for use in all weather conditions due to the provided protection against driving rain, snow, ice, and dust. Withstands hose-directed spray during wash-down requirements.

  5. 5

    Robust construction

    Durable, cast-aluminium housing and stainless steel protection cage endures saltwater and other corrosives for demanding marine and industrial environments.

  6. 6

    Wide range

    of operating temperatures from –50 °C to +70 °C.

  7. 7

    Convenient mounting

    Stainless steel bracket permits ease of installation for any orientation.