ATEX Phones Zone 1 Hazardous Area – FHF ExResistTel MB Explosion Proof Telephone

FHF ExResistTel MB telephones are ATEX phones designed for applications in the petrochemical industry as well as offshore installations, mills and ports.

CategoryATEX Phones, Telephones & Tablets
  • Quoted to your quantity
  • Documentation on request
  • International delivery

Product Overview

ATEX Phones Zone 1 Hazardous Area

FHF ExResistTel MB telephones are ATEX phones designed for applications in the petrochemical industry as well as offshore installations, mills and ports.

Certified for areas susceptible to explosive dust and gases the FHF ExResistTel MB offers safe communications in Zone 1 hazardous area locations.

FHF ExResistTel MB is suitable for extreme operating conditions offering hazardous area communications in locations such as those with high temperatures, humidity, sea water, dust and extensive mechanical strain.

The FHF explosion proof telephone is equipped with a 21-key V4A stainless steel keypad that has been especially designed for use with gloves.

The ExResistTel MB ATEX phone is now certified to DNV GL Marine and offshore standards. Its alphanumeric display allows for a clear reading as well as offering all the same capabilities as standard in the office communication sector.

Features

  • 3 direct dial keys (freely programmable)
  • ATEX phone with hands-free operation
  • Temperature range -25 °C to +60 °C
  • Certified for dust and gas exposure
  • IP66 according to EN 60529
  • V4A stainless steel keypad
  • GRP telephone housing

Ordering Information

The full part number for the coloured cap is made up by appending the colour code to the part numbers given below*.

Colour Codes: Transparent 11, Red 12, Amber 13, Green 14 and Blue 15

*The ExResistTel MB is certified to ATEX/IECEx/DNV.
*ATEX telephone accessories are not available as DNV variants.

FHF

FHF is part of the Hazardous Area Communication (HAC) group belonging to Eaton who own MEDC. MEDC has been added to the EATON hazardous area communications business unit to which FHF have a complimentary range of hazardous area signalling and ATEX phones.

Complete range of LV-HV Cable Joints, Terminations, Cleats & Glands are available to support installation of power, control and instrumentation cables up to 33kV – includes Cold Shrink for use in hazardous areas to provide electrical insulation and cable protection.

Thermon | EXHEAT | Abtech | Marechal Electric | 3M Electrical

Technical Specifications

CategoryATEX Phones, Telephones & Tablets
Hazardous Area ATEX Certification – Zone 1
Hazardous area protection typeII 2 G Ex e mb [ib] IIC T5 Gb II 2 D Ex tb [ib] IIIC T100°C Db -25 °C < Ta < 60 °C II 2 G Ex e mb [ib] IIC T6 Gb II 2 D Ex tb [ib] IIIC T80°C Db -25 °C < Ta < 40 °C
ApprovalDMT 02 ATEX E 183
Specifications
Supply voltage24 VDC to 66 VDC
Supply current15 mA to 100 mA
Ringing alternating current24 VAC to 90 VAC (at 21…54 Hz ringing frequency) 30 VAC to 90 VAC (at 16.6…54 Hz ringing frequency)
Ring tone impedanceGreater than 6.0 KΩ at 25 Hz and 24…90 VAC. Greater than 4.0 KΩ at 50 Hz and 24…90 VAC
Inquiry keyFlash function may be set to 80 ms, 120 ms, 600 ms
Dialling procedurePD-DTMF operation to be set in the menu. PD operation where the pulse/pause ratio can be set to 1.5:1 or 2:1 in the menu
W-conductorConnection for external secondary sounder
Connection terminalsUp to 4sqmm rigid, Up to 2.5sqmm flexible
Environmental conditions
Degree of protectionIP 66 according to EN60529
Impact protectionIK 09 according to EN50102
Operating 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
Housing
MaterialGlass fibre reinforced polyester
Height x width x depthApprox. 266 mm x 227 mm x 135 mm
WeightApprox. 5.5 kg
KeypadMetal keypad with ice protection 21 keys with ABC lettering for name entries incl. 3 direct dial keys (freely programmable)
Receiver
Stabilization bracketIntegrated, adjustable stabilization bracket
Handset cordStainless steel armoured cord
EarpieceDynamic capsule with stray field coil for inductive coupling of hearing aids
MouthpieceElektret microphone
Noise suppressionGreater than 3 dB due to integrated horn mouth
Further characteristics
Optical call indicationDisplay screen
Ringing volumeApprox. 90 dB(A) in 1 m distance
Ring tones10 sounds available
Listening by loudspeakerMaximum volume approx. 68 dB(A) in 1 m distance
Handsfree operationMaximum volume approx. 68 dB(A) in 1 m distance
Amplified listeningReceiver volume may be set from 0 dB(A) to +12 dB(A), in 7 steps
FHF ExResitTel Part NumberDesignationMEDC Model
MEDC FHF 112 861 21Ex II telephoneBlack
Ex Headset – MEDC FHF 112 861 03Ex II additional earpiece – MEDC FHF 112 861 04Ex II secondary sounder – MEDC FHF 112 643 06TWIN EExII – MEDC FHF 118 833 ..*Protection hood – available in a range of colours see spec for part numbers
ATEX Phone Accessory Part NumberDesignationMEDC Model
MEDC FHF 112 861 03Ex II additional earpiece
MEDC FHF 112 861 04Ex headset
MEDC FHF 211 842 06Ex II secondary sounder
MEDC FHF 118 901 01Telephone hood model 404galvanized steel, yellow
MEDC FHF 118 901 11Telephone hood model 404V4A stainless steel
MEDC FHF 118 901 12Telephone hood model 404synthetic material, orange
MEDC FHF 118 901 13Telephone hood model 404synthetic material, yellow
MEDC FHF 118 901 14Telephone hood model 404galvanized steel, red
MEDC FHF 118 901 15Telephone hood model 404synthetic material, red
MEDC FHF 118 901 22Telephone hood model 404GRP, yellow
MEDC FHF 118 901 23Telephone hood model 404GRP, orange
MEDC FHF 118 901 03Floor mounting console for Model 404yellow
MEDC FHF 118 833 ..*TWIN-EExII

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