Rugged SIP Explosion Proof Telephone For Underground Mining,Oil & Gas station
MAIN FEATURES 
 - Corrosion resistant aluminum alloy die casting housing
- Available in four colors (Orange, Blue, Yellow, Red)
- With NPT conduit entries and Type 3 / IP67 environmental ratings
 - Certificated for use in Hazardous areas of Gas Group IIB/IIA
 - Ex ’d’ protected
 - Intrinsically safe Ex”ib” certified 
 - Temperature classification:T4
 - Power supply: Phone Line Powered 
 - 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 keypad designed to be used with gloves
 - No.of keys (TOTAL 15KEYS): 0-9, *, #, Redial, Mute, Last Number Redial
 - Hermetically sealed non-contact hook sensing switch improves system reliability
 - Mounting: Wall/column/structural
 APPLICATIONS
 1. Suitable for explosive gas atmospheres Zone 1, 2, 22.
 2. Suitable for temperature class T1 ~ T6.
 3. Widely used in oil exploration, chemical, military, pharmaceutical, oil refining and other hazardous environments and depots, offshore oil platform, oil tankers and other related industrial application, etc.
  
OPTIONAL
 - Add Horn & Lamp on the top
- Key lockable latch
 - Upper & lower internal mounting plates
 - Flat label area or custom embossed logo on door
 - Vandal resistant screws for upper mounting plate
This product has the following explosion protection:
 II 2G Rx e ib [ib] mb IIC T6 Gb
 III 2D Ex ib [ib] tb IIIC T135 °
 -40 °C ≤ Ta ≤ +60 °C/+40°C
 Zone 1, 2, 22
  
 
 TECHNICAL SPECIFICATION
| Analogue Version | |
| Power Supply | From the analogue telephone network | 
| Supply Voltage | 24 VDC to 65 VDC | 
| Supply Current | 20 mA DC to 100 mA DC | 
| Ringer Volume | - 80dB(A) at a distance of 1 m - 110dB(A) at a distance of 1 m (for external horn speaker)  |  		
| Dialing Method | DTMF mode in accordance with ITU-T recommendation Q.23. | 
| Ambient conditions | |
| Protection type | IP 66 as per EN60529 | 
| Operating temperature | -40°C to +70°C | 
| Storage temperature | -45°C to +85°C | 
 
  
 PACKAGE
 Unit Size: 246*339*126 mm (H*W*D)
 Carton Dimension: 200 * 300 *440 mm (H * W * D)
 Packaging materials: pearl cotton, carton
 Net Weight: 7 KG
 Gross weight: 8 KG