ExResistTel IP4 explosion proof VoIP-Telephone

Explosion-proof, weatherproof industrial VoIP telephone for use in potentially explosive areas (zone 1, 2, 21 and 22)

With approved technology of FHF, the ExResistTel IP4 is suitable for all indoor and outdoor installations. The new ExResistTel IP4 is the ideal device for every weather and a number of different operation sites, including exposure to sea water, high humidity or extensive mechanical strain.The housing is made of impact and shock-resistant glass-fi bre reinforced polyester, it is resistant to acids, alkalis or lubricants.

Its robust design represents a perfect packaging for the latest requirements for IP telephones in hazardous environments with proven reliability for critical mission communications and high safety applications. This telephone is designed to provide ultimate user comfort with a user-friendly menu structure and easy

Installtion. The ExResistTel IP4 meets industrial standards and has decades of marketing leading expertise. It features a luminous display that‘s able to function in ultra low temperatures, a connectable headset is available as an accessory and a hands-free operation is available.

• Protection class IP66 according to
• Ambient temperature
-40 °C to +60 °C
with armoured cord
-30 °C to +60 °C with spiral cord
• Ring tone ≥ 95 dB(A) in 1 m
• Pixel-based luminous OLED display
• V4A alphanumeric keypad
• Web-based monitoring
(operating, handset-, hands-free
and ringing function)
• User-friendly menu structure
• VoIP Protocols: SIP, H.323 (UDP,
• Power supply: PoE or external
• Connection to 10/100/1000-BASE-T
• Hands-free operation
• Two built-in independent relay

Protection typeII 2 G Ex e [ib] mb IIC T4 Gb
II 2 D Ex tb [ib] IIIB T135 °C Db
Power supplyPower over Ethernet according to IEEE 802.3af via 48 V DC PoE power supply
(44V min, 57V max)
Voltage external power22,8 VDC – 53 VDC
Power consumption4 W (POE class 0)
ConnectionPort (10/100 /1000 Mbit/s)
Ringing VolumeMax. approx. 95 dB(A) in 1 m distance
– Material
– Height x width x depth
– weight

Glass fibre-reinforced polyester
293 x 227 x 135 mm
Approx. 5,000 g
Display182 x 64 pixels (OLED)
Operating positionvertical
Relay switching capacity250 VAC 5 A 100 VA
30 VDC 5 A 100 Watt
230 DVC 0.5 A 100 Watt
50 VDC 1 A 50 Watt
MouthpieceElectret microphone
EarpieceDynamic capsule with magnetic field generator for inductive coupling of
hearing aids
Stabilization bracketstandard
Environmental conditions
Ambient temperature
-40°C to +70 °C for devices with steel armoured cord
-30 °C to +70 °C for devices with polyurethan spiral cord
Protection class / Resistance TypeIP 66 according to IEC 60529 /
IK 09 according to EN IEC 62262:2002
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