Fire Telephone System
AW-EXDH-3 Explosion-Proof Telephone
AW-EXDH-3 Explosion-proof telephone is performance in line with GB3836-2000 series of standards, inspected by the state designated inspection units, and acquired explosion-proof certificate.
Product overview
AW-EXDH-3 Explosion-proof telephone is performance in line with GB3836-2000 series of standards, inspected by the state designated inspection units, and acquired explosion-proof certificate. Emergency start/ stop action button is available in 1 and 2 Zone hazardous locations which include Class Ⅱ A, B, C class T1 ~ T6 temperature group explosive gas environment.

AW-EXDH-3 Explosion-proof telephone is not only apply to any manufacturer of multi-line fire telephone switchboard, but also various types of program-controlled switches currently. As fire telephone switchboard extension, it can be used with full-duplex telephone calls with extension pick automatic call answering function. When duty officer calls through a switchboard extension, extension issued ringing, picking up the handset and connecting with the switchboard.

Product Features
1. AW-EXDH-3 explosion-proof telephone has silicon aluminum alloy shell, temperature electrostatic spray surface and strong anti-drop.
2. AW-EXDH-3 explosion-proof telephone hook use magnetic induction switch  to make phone structure simply and has long service life.
3. AW-EXDH-3 explosion-proof telephone handle use import PC plastic, PTFE high temperature wire. It has strong corrosion resistance and long service life.
4.AW-EXDH-3 explosion-proof telephone transmitter and receiver and ringing section applied with a special explosion-proof treatment to guarantee more secure.

Technical parameters
1. Explosion-proof mark: ExdibⅡBT6
2. Operating voltage: DC24V ~ DC48V
3. Ring Voltage: 70V ~ 90V 25Hz.
4. Working environment:
Temperature: -20 ℃ ~ + 50 ℃
Relative humidity: ≤95% non-condensing
Atmospheric pressure: 80kPa ~ 110kPa
5. The outlet thread: G20
6. Weight: 2.2kg

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