The EX-BH621 explosion-proof loudspeaker telephone supports the standard SIP protocol and is highly compatible with commonly used IPPBX and network dispatching platforms on the market.
It is a special telephone designed specifically for environments with flammable, explosive gases or dust, such as gas stations, oil fields, hydrogen stations, chemical plants, underground pipe galleries and gas compartments.
Suitable for long-term installation in various harsh environments, it features explosion protection, water resistance, moisture resistance, dust resistance, cold resistance, frost resistance, high temperature resistance, oxidation resistance, corrosion resistance and impact resistance.
| Item | Specification / Description |
|---|---|
| Explosion-Proof Sign | ExdibIICT6Gb / EXtDA21IP66T80℃ |
| Protection Level | IP66 waterproof and dustproof protection |
| External Size | 343 × 294 × 206 mm |
| Material | Aluminum alloy die-casting shell with stainless steel keyboard |
| Color | Yellow |
| Overall Weight | 12 kg |
| Installation Method | Wall mounted |
| Hazardous Gas Areas | Suitable for explosive gas environments in Zone 0, Zone 1, and Zone 2 |
| Gas Group | Suitable for IIC explosive gas environments |
| Combustible Dust Areas | Suitable for combustible dust environments in Zones 20, 21, and 22 |
| Temperature Group | Suitable for T1–T6 temperature groups |
| Housing Design | Aluminum alloy shell with high-temperature electrostatic spraying for anti-static and corrosion-resistant performance |
| Handset and Keyboard | Riot-resistant and noise-reduction earpiece, stainless steel keyboard, and zinc alloy hook switch |
| Protocol Support | Supports SIP 2.0 protocol |
| Call Function | Supports number-key dialing, terminal calling, and full-duplex intercom |
| Audio Output | Built-in high-quality amplifier with 30W output; external speaker supports 25W output |
| Volume Adjustment | Earpiece and speaker volume can be adjusted through the keyboard |
| Network Connection | Can connect directly to Ethernet and support cross-network-segment routing |
| Power Supply | Supports PoE power supply with anti-surge and anti-interference capability |
| Rated Voltage | AC220V |
| Network Protocols | TCP, UDP, ICMP, SIP 2.0 |
| Frequency Response | 250–3000 Hz |
| Amplification Output Power | 10–25W |
| Ambient Temperature | -40℃ to +60℃ |
| Atmospheric Pressure | 80–110 KPa |
| Relative Humidity | ≤95% |
| Lead-Out Wire Hole | 3-G3/4” |
