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JWBT821

JWBT821
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JWBT821

Product catalog summary
Technical Specifications
  • Product Model: JWBT821
  • Defend Grade: IP66
  • Communication System: IP
  • Material: Aluminum alloy
  • Color: Yellow (customizable)
  • Explosion-proof Mark: ExdibIICT6Gb/EXtDA21IP66T80℃
  • Power Supply: 100-230VAC
  • Standby Work Current: ≤0.2A
  • Frequency Response: 250～3000 Hz
  • Ringer Volume: ≤80dB(A)
  • Amplified Output Power: 10～25W
  • Corrosion Grade: WF1
  • Ambient Temperature: -40～+60℃
  • Atmospheric Pressure: 80～110KPa
  • Relative Humidity: ≤95%
  • Lead Hole: 3-G3/4”
  • Installation: Wall-mounted
Application
  • Suitable for explosive gas atmospheres Zone 1 and Zone 2.
  • Applicable for IIA, IIB explosive atmosphere.
  • Suitable for dust Zone 20, Zone 21, and Zone 22.
  • Compatible with temperature class T1 ~ T6.
  • Ideal for hazardous dust and gas atmospheres, petrochemical industry, tunnels, metro, railway, LRT, speedway, marine, ship, offshore, mine, power plant, bridge, etc.
Features
  • Supports 2 lines SIP, SIP 2.0 (RFC3261).
  • Audio Codes: G.711, G.722, G.729.
  • IP Protocols: IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP.
  • Echo cancellation code: G.167/G.168.
  • Supports full duplex communication.
  • WAN/LAN: Supports Bridge mode.
  • Supports DHCP to get IP on WAN port.
  • Supports PPPoE for xDSL.
  • Aluminum alloy die-casting shell with high mechanical strength and strong impact resistance.
  • Heavy-duty handset with hearing aid compatible receiver and noise-canceling microphone.
  • Zinc alloy keypad and magnetic reed hook-switch.
  • Weatherproof protection to IP66-IP67.
  • Temperature range from -40 to +70 degrees Celsius.
  • Powder coated in UV stabilized polyester finish.
  • Equipped with loudspeaker and flashlight.
  • Wall-mounted with simple installation.
  • Available in multiple housings and colors.
  • Self-made telephone spare parts available.
  • Compliant with CE, FCC, RoHS, ISO9001 standards.
Product Dimensions
  • Unit Size: 343×294×206 mm
  • Carton Size: 440×320×270 mm
  • Packaging Materials: Pearl cotton, Carton
  • Net Weight: 10 KG
  • Gross Weight: 10.5 KG
Service and Support
  • Under normal use and non-human damage, a free three-year warranty is provided.
See more

Catalog excerpts

JWBT821-1

EXPLOSION PROOF TLEPHONE Product Model: JWBT821 Defend Grade:IP66 Communication System: IP Material: Aluminum alloy Color: Yellow (customized) Application 1. Suitable for explosive gas atmospheres Zone 1 and Zone 2. 2. Suitable for IIA, IIB explosive atmosphere. 3. Suitable for dust Zone 20, Zone 21 and Zone 22. 4. Suitable for temperature class T1 ~ T6. 5. Hazardous dust and gas atmospheres, petrochemical industry,Tunnel, metro, railway, LRT, speedway, marine, ship,offshore, mine, power plant, bridge etc. (Jb) https://www.joiwo.com (V) No. 8 Middle Road Guoxiang Bridge Lanjiang Street Yuyao Zhejiang China

 Open the catalog to page 1
JWBT821-2

Ningbo Joiwo Explosionproof Science & Technology Co., Ltd. Features 1. Support 2 lines SIP, SIP 2.0 (RFC3261). 2. Audio Codes:G.711, G.722, G.729. 3. IP Protocols:IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP. 4. Echo cancellation code:G.167/G.168. 5. Supports full duplex. 6. WAN/LAN: support Bridge mode. 7. Support DHCP get IP on WAN port. 8. Support PPPoE for xDSL. 9. Support DHCP get IP on WAN port. 10. Aluminum alloy die-casting shell, high mechanical strength and strong impact resistance. 11. Heavy Duty handset with hearing Aid compatible receiver, Noise canceling microphone. 12. Zinc alloy...

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.