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J&R ATEX Certified Explosion Proof Telephones Have Been Installed In Underground Coal Mining In Columbia

J&R Technology Ltd | Updated: Dec 21, 2018

J&R Glad to share with you that one of our great customers from Columbia has selected our ATEX Certified intrinsically safe Explosion proof telephones for their Underground Coal Mining project. And we received a good feedback saying that they are very satisfied with the performance of J&R Explosion proof telephone.

Usually, the condition of the underground coal mining is very harsh, and many accidents and injuries have been happened at there. Coal mining safety also has been one of the safety concerns. To improve Coal mining safety, most countries worldwide also stipulates a regulatory requirement to install emergency telephones in hazardous industrial areas.


J&R's ATEX Certified intrinsically safe Explosion Proof telephone is specially 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. Below are some main features:

- Standard Analogue or VoIP/SIP Explosion-proof & Weatherproof Telephone

- Aluminium alloy die-casting body

- Vandal resistant handset and armored cord

- Full Keypad

- Inductive coupler fitted as standard for hard of hearing

- Wall mounting, simple installation

- Phone line powered (Analogue)

- Power-Over-Ethernet/PoE (SIP-VoIP)

- II 2G Ex e ib [ib] mb IIC T4 Gb

- III 2D Ex ib [ib] tb IIIC T135℃

- Zone 1& Zone 2

- Weather proof protection to IP66-IP67

- ATEX, CE, FCC, RoHS compliant


If you are also looking for some explosion proof telephones or industrial emergency telephones for any of your project, J&R always welcome your inquiry and will tailor our solution to meet your specific needs. 

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