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Ex-proof DST Phone

déléphone fixe antidéflagrant


Ex-proof phone for zone 1

  • analog or VoIP
  • zones 1, 2, 21, 22
  • IP66 and IK09
  • Anti-vandalism box
  • steel cord armed with steel
  • V4A steel keyboard suitable for gloves
  • Alphanumeric screen
  • Colors of the black or red case
  • Model available as an emergency phone without keyboard/screen
Datasheet: Ex-proof DST Phone Series (EN)

The Ex-proof DST phone is certified for zones 1, 2, 21, 22, 22 exposed to the risk of gas and dust explosions. It consists of a very sturdy, weather-resistant case and an armed steel cord to withstand heavy use.

It is particularly suitable for demanding applications in the offshore and chemical industrial fields.


Storage temperature: -25C/70C
Selection procedure:

  • IWV-MFV mode adjustable via menu
  • Mode MFV according to recommendation CCITT Q.2
  • IMV mode with adjustable pulse-pause ratio via menu 1.5:1 or 2:1

Case: polyester reinforced by red or black glass fibers
Type of mount: vertical
Power input: : 1 M20x1.5, 2 M20x1.5 shutter caps
Connection technology: up to 4 mm2 rigid, up to 2.5 mm2 flexible
Service temperature: -25C to 60C (T5) v -25C to 40C (T6)
Type of protection: IP66
High shock resistance IK09
Authorization: DMT 03 ATEX E034
Technology: analog
Keyboard: : Metal keyboard with 21-key anti-freeze protection with ABC inscription for name inscription
Noise removal: : > 3 dB using a built-in handset
Power voltage: 24 V DC-66 V DC
Power current: : 0.015 A DC-0.10 A DC
Alternative call voltage: :24 V AC-90 V AC (for call frequency 21 – 54 Hz)
30 V AC-90 V AC (for call frequency 16.6 – 54 Hz)
Impedance of the phone call: > 6.0 K for 25 Hz and 24 … 90 V AC
> 4.0 K for 50 Hz and 24 … 90 V AC
Consultation key: 40ms to 399ms adjustable flash function
Brin W: Connection possibility for external call reporting device
Weight: 5.5 kg
Phone call sound volume: 90 dB to 1 m
Screen: 2-line alphanumeric display with 78 x 26 mm field of view pictograms
Phone capsule: Electric microphone
Listener: dynamic capsule with leaking field coil for inductive coupling of hearing devices
Knot fixing: adjustable, built-in anti-roll protection
Earphone wire: V4A steel armored cable


A2S (Advanced Safety Solutions) 350 Avenue JRGG de la Lauzière 31 Parc du Golf - CS 90519 13593 Aix en Provence Cedex 3


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