Atex Global

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please contact our sales team for info, prices and availablity.
+44 (0)800 7565305
Office hours 8am - 8pm, mon - fri

Weatherproof Telephones, Industrial Telephone

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Contact Sales

+44 (0)800 7565305

ExResisTel - Ex Certified Telephone

The Ex ResisTel Intrinsically Safe Industrial Telephone is ideal for use on Oil Rigs & Petrochemical Hazardous Environments.
  • Handsfree operation
  • Temperature range -25°C to +60°C
  • Certified for dust and gas atmospheres
  • Receiver volume can be boosted in
    7 steps from 0 -12 dB(A)
  • IP 66 EN 60529
  • Housing Glass fibre reinforced polyester
  • Certified for dust and gas atmospheres
  • Display 2 lines; alphanumerical
  • Sound pressure level approx. 90 dB(A)
  • Steel armoured handset cord with snap-protection
  • Telephone directory
Funke Huster Fernsig

ExResisTel is available with or without keypad

The ExResisTel Ex-telephone has been developed for operation in the petrochemical industry, on off-shore plants, in mills and harbours.

The Ex Resistel's housing is made of impact-resistant and shockproof glass fibre reinforced polyester, it is resistant to acids, sea water, alkalis, moisture and grease. large temperature differences, air humidity, dust and strong mechanical wear and tear. It is certified for use in hazardous dust and gas atmospheres.

The Ex-ResistTel is completely programmable, and has been equipped with a 21-piece stainless (V4A) steel keypad designed for use with gloves.

ex resistel

ex resistel

Product Option Item No.
Ex ResisTel Standard
112 861 01
Ex ResisTel ZB Without Keypad
& Display
112 861 02
Additional Earpiece -
112 861 03
Additional Headset -
112 861 04
Loud Speaker Set -
112 861 05
Secondary Sounder -
211 842 06
Protection hood Hot Galvanised
118 901 11
Protection hood Stainless Steel
118 833 ...
Ex ResisTel Specifications  
Types of protection
II 2 G EEx em[ib] IIC T5 II 2 G EEx em[ib] IIC T6
II 2 D IP66 T100°C II 2 D IP66 T80°C
-25°C<=Ta<=60°C -25°C<=Ta<=40°C
DMT 02 ATEX E 183
Line voltage
24 VDC to 66 VDC
Line current
15 mADC to 100 mADC
Ringing alternating
24 VAC to 90 VAC (at 21...54 Hz ringing frequency)
30 VAC to 90 VAC (at 16,6...54 Hz ringing frequency)
Ringing impedance
Greater than 6,0 KΩ at 25 Hz and 24...90 VAC Greater than 4,0 KΩ at 50 Hz and 24...90 VAC
Inquiry key
Flash function adjustable from 40ms to 399ms
Dialling procedure
PD-DTMF operation to be set in the menu
DTMF operation according to the CCITT recommendation Q.23
PD operation where the pulse/pause ratio can be set to 1.5:1 or 2:1 in the menu
Connection for external secondary sounder
Screw terminals
Up to 4 mm2 rigid. Up to 2.5 mm2 flexible
Glass-fibre-reinforced polyester
Approx. 266 mm x 227 mm x 135 mm
Approx. 5.5 kg
2-line alphanumerical display with pictograms. Visible area approx. 78 mm x 26 mm.
Metal keypad with ice protection
21 keys with ABC lettering for name entries
Stabilizer bracket
Integrated, adjustable stabilizer bracket.
Handset cord
Stainless steel (V4A) armoured handset cord.
Receiver inset
Dynamic receiver inset with leakage field spool for inductive coupling of hearing aids
Electret-foil microphone
Noise suppression
Greater than 3dB due to integrated mouthpiece horn mouth.
Environmental conditions
Degree of protection
IP 66 according to EN60529
Impact protection:
IK 09 according to EN50102
Operation temperature
-25°C to +60°C for temperature class T5
-25°C to +40°C for temperature class T6
Storage temperature
-25°C to +70°C
Further characteristics
Optical call signalling
Display shows
Ringing sound pressure level
Approx. 90 dB(A) at 1m distance
Ringing melodies
10 melodies selectable
Listening by loudspeaker
Maximum sound pressure level approx. 68 dB (A) at 1m distance
Handsfree operation
Maximum sound pressure level approx. 68 dB (A) at 1m distance
Amplified listening in receiver
Receiver volume can be boosted in 7 steps from 0 –12 dB(A)
In several language
Max. 50 entries (names and numbers)