Industrial Flameproof Anti-Explosion Phone,Analogue Explosion Proof Telephone Model: JREX103 The Explosion Proof Telephone is designed for voice communication in the hostile environment where reliability,efficiency and safety are of prime importance. The telephone can handle the large temperature differences found outdoors, high humidity, exposure to sea water and dust,Corrosive atmosphere,Explosive gases & particles,as well as mechanical wear and tear, making it perfect for use as an emergency telephone. This product has the following explosion protection: II 2G Ex e ib [ib] mb IIC T4 Gb III 2D Ex ib [ib] tb IIIC T135 ° -40 °C ≤ Ta ≤ +60 °C/+40°C Zone 1, 2, 22 Applicaiton of Heavy-duty ATEX/IECEX Explosion proof Telephone for Hazardous Environment Ideal for Marine, Mining, Oil&Gas,Tunnels, Steel Plant,Drilling platform,Chemical plant,Power plant and related industrial application, etc. Key Features for Heavy-duty ATEX/IECEX Explosion proof Telephone for Hazardous Environment Corrosion resistant aluminum alloy die casting housing Available in four colors, with NPT conduit entries and Type 3 / IP67 environmental ratings Certificated for use in Hazardous areas of Gas Group IIB/IIA Zone classification: Zone 1& Zone 2 Ex 'd' protected Intrinsically safe Ex"ib" certified Temperature classification:T6 SIP or H323 protocols(Compatible with all PBX'S) Power supply: Power over Ethernet Fully configurable through any internet browser or the on-board display Handset with Noise canceling microphone,for effective communication from noisy areas(Armored SS cord stands up to rough treatment,optional for black curly cord ) Completely programmable weatherproof hotline designed to be used with gloves Hermetically sealed non-contact hook sensing switch improves system reliability Built-in External Ringer that provides penetrating calling signal(85dbA@ 1meter) Mounting :Wall/column/structural Captive cover screws prevent loss during installation ATEX Certification for Explosion-proof Telephone: Other certification for explosion-proof telephone: Package & Shippment for Heavy-duty ATEX/IECEX Explosion proof Telephone for Hazardous Environment Dimension : Approx. 204*334*126mm(H*W*D) Weight: 8Kg.(Approx) Packaging materials: pearl cotton, carton