Fhf 11327101 | Explosion Proof | Telephones | Gasdetectorsusa
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FHF   11327101

FHF 11327101


$1,535.03  [9 Weeks]
FHF Ex Howl-Call Sound-powered Wall Telephone 5220 for use in rough conditions (explosive atmospheres and fire-damp). Without audio amplifier. Telephony without power supply. IP54.


   9 Weeks  ]


  • Telephony without power supply
  • Protection degree IP 54
  • Wide range of accessories
  • For rough conditions

If you want or need to telephone in areas where this is normally not possible, you need a sound-powered telephone system. Operation without external power supply and complex equipment, sound-powered telephony is ideal for communications whenever there is no power supply available, e.g. at blast furnaces, in tunnelling or mining, or off shore on oil rigs or high-sea steamers, and provides a direct connection to the switchboard, base, bridge or colleagues on the surface. Or wherever.

This surprisingly easy, but effective method is already used widely to call for material, report faults or save lives.


The howl-call telephone is a sound-powered device with highly efficient dynamic transmitter and receiver cap sules offering communication without power supply. The call signal is generated by turning the rotary knob with an audio frequency dynamo. All telephones are equipped with an extremely sturdy, impact-resistant and weatherproof housing and have suc cess fully proven their worth in years of oper ation in mining, tunnelling, on building sites and in industrial operations. Their range is approximately 10 km.

Technical specification
Hand telephone 5069
Expl. protection classII 1 G Ex ia IIC T6
I M1 Ex ia I
ApprovalBVS 03 ATEX E 433
WeightApprox. 2.3 kg
Export Info
Made inGermany
Harmonized Tariff Code (HTC)8517180050

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FHF  11326201

FHF Ex Howl-Call Sound-powered Hand Telephone 5069 for use in rough conditions (explosive atmospheres and fire-damp). Telephony without power supply. IP54.


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