The Flame proof, Explosive proof, Intrinsically safe, wall Mounting Push Button Telephone is designed and developed for operation in Hazardous, harsh & hostile environment condition for indoors and outdoor usage in the petrochemicals, fertilizers, pharmaceuticals and chemical industries. Our Telephone is designed to work with Morden Communication Networks.
The Telephone is developed in accordance with following spec.:

• Flame Proof as per IS: 2148-2004 (IEC60079-0/2001).
• Gen Requirement & Performance IS: 13346-2004 (IEC60079-0/2001).
• Weatherproof construction IS: 12063-1987 for IP-65.

The Telephone is certified and tested by Central Mining Research Institute (CMRI) DHANBAD, a Govt. of India certifying & testing authority, vide test report No. CMRI/TC/P/H773 Dated 2^nd,Sept2004.

TECHNICAL DATA:

• Enclosure:- EX-d, as per IS: 2148-2004 (IEC60079-1/2001)
• Area Classification:- Div.-1&2 as per IS: 5572(Part 1): 1994
  as per IS: 13346-2004(IEC60079-0/2000)
• Gas Groups:- Suitable for using in gas Groups I, IIA & IIB as per IS: 2148-2004
• Degree of Protection:- as per IP65 IS: 12063-1987 (IEC60079-1/2001)
• Material of Construction:- Light Alloy (LM-6)
• Finish:- Siemens gray powder coated
• Weight:- 10 Kgs. Approx
• Power Supply:- Drawn from Telephone Network
• Handset Cord:- 4 core screened cable covered with stainless steel spiral cord
• Dialing System:- Tone/pulse switchables (Metallic push button system)
• Dial,Push button,Cradle switch,PCB are designed and developed in house
• Bult in ringer (Hooter) Ringer volume>75dB
• LED for visual indication.(10mm dia)
• Flash, Hold & Re-dial Facility
• No mechanical or moving parts. Thus new level of reliability to phone