Explosion Proof Wall Mounted Telephone JWBT835P

The JWBT835P IP SIP Explosion-Proof Telephone is a next-gen industrial terminal for smart factories and hazardous areas. Featuring SIP 2.0, PoE, an IP66 stainless steel housing, and ATEX/IECEx certifications, it seamlessly integrates with VoIP, dispatch, and smart park platforms. Essential for modern petrochemical, mining, and EPC projects.

Widely used in:
MARINE ENVIRONMENT
HIGHWAY SHOULDER
SUBWAY STATION
TUNNEL
UNDERGROUND FACILITY
RAILWAY PLATFORM
MINING SITE
OTHERS
KEY FEATURES

Heavy-Duty Explosion-Proof Design (Zone 1 / Zone 2)

Built for explosion proof wall mounted telephone applications, this unit features an Ex-certified explosion-proof structure for hazardous areas with explosive gas atmospheres in Zone 1 and Zone 2. It also supports multiple explosion-proof cable glands, making multi-loop wiring and system interconnection clean and reliable for industrial deployments.

Corrosion-Resistant Stainless Steel Enclosure (304 / 316 Optional)

The enclosure is available in 304 or 316 stainless steel to match different site conditions. With strong resistance to salt spray and rust, it performs well in offshore platforms, coastal facilities, and chemical environments where high humidity and salt fog can quickly damage standard housings.

Backlit Metal Keypad with Programmable Speed Dial

A rugged backlit metal keypad ensures clear operation in low-light areas such as plants, tunnels, and outdoor installations at night. Three programmable shortcut keys (D1/D2/D3) enable one-touch calling to a control room or dispatch center, while volume up/down keys make it easy to adjust audio on site.

Impact-Resistant Handset and Anti-Pull Coiled Cord

The handset is designed for tough industrial use, featuring an anti-impact build and an oil-resistant rubber surface for a secure grip. A tensile-resistant coiled spiral cord helps prevent damage from frequent handling, pulling, and harsh working conditions.

Two Versions Available: Analog or SIP IP

Choose the version that best fits your communication system and project stage.

  • Analog Version: Designed for traditional PBX/dispatch systems, ideal for legacy plant upgrades and retrofit projects.
  • SIP IP Version: Supports SIP 2.0 and PoE power, making it a strong match for modern industrial networks and new-build sites.

Simple Wall-Mount Installation + OEM Customization

With a complete mounting plate, the phone installs directly on the wall without an additional cabinet, helping reduce installation time, cost, and space requirements. OEM customization is available, including custom logos and custom shortcut-key functions to fit your site workflow.

Item Technical data
Explosion-Proof Mark Ex d ib IIC T6 Gb/EX tD A21 IP66 T80℃
Voltage DC 12V / PoE
Standby Work Current ≤0.2A
Frequency Response 250~3000 Hz
Amplified Output Power 10~25W
Ringer Volume 110dB(A) at 1m distance
Corrosion Grade WF2
Ambient Temperature -40~+60℃
Atmospheric Pressure 80~110KPa
Relative Humidity ≤95%
Lead Hole 3-G3/4”
Installation Wall-mounted
DIMENSIONS

PACKAGE

Each explosion-proof telephone is shipped in durable, protective packaging designed for secure transport and storage. The packaging features impact-resistant materials and clear labeling for easy handling, with OEM and custom packaging options available.

Proof Heavy Duty Telephone in Packaging for Industrial Use.
FREQUENTLY ASKED QUESTIONS
Q1: What system does the IP explosion-proof phone support?
It adopts standard SIP 2.0 protocol, compatible with all mainstream IP PBX, VoIP dispatch systems and network intercom platforms in the market, suitable for modern intelligent networked communication projects.
Q2: What is the difference between IP version and analog version?
IP version uses network transmission, supports remote management and system networking, suitable for new intelligent factory projects. Analog version is for traditional telephone line and old PBX renovation. You can choose according to your on-site system type.
Q3: Can these telephones be customized?
We offer OEM and customization options, including branding, color variations, special functions (e.g., emergency call buttons, strobe lights), and tailored communication features to meet specific project or operational requirements.
Q4: Do you provide certificates and technical documents?
Complete ATEX, IECEx certificates, test reports and English datasheets are provided to support project bidding, engineering verification and customs clearance.

This explosion-proof telephone is engineered for dependable operation in high-risk and demanding industrial settings. It is certified for use in the following hazardous environments:

  • Oil refineries, petrochemical plants, LNG plants
  • Offshore drilling platforms, coastal chemical terminals
  • Mine tunnels, coal preparation plants
  • Pharmaceutical factories with flammable solvent
  • Hazardous‑area power plants, gas processing stations
  • EPC industrial construction projects & system integration solutions

Joiwo provides integrated communication system solutions for hazardous and demanding industrial environments. From explosion-proof PA telephones and field communication terminals to PBX/IP-PBX, network systems, PA systems, and control centers, we deliver reliable end-to-end connectivity. Our solutions enable clear, secure, and efficient communication across Oil & Gas, Chemical, Offshore, and Mining applications.

Joiwo — Connecting the Field to the Control Center.

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