LC106EX-03-AD Explosion-Proof Hotline Telephone | (SIP or Analog) | Certified by CSA Group (IECEx/ATEX) for use in Zone 1, Zone 2, and Zone 22 | 2-Year Warranty
The LC106EX-03-AD is a rugged, explosion-proof hotline telephone designed for instant, high-reliability communication in hazardous industrial environments. Featuring a "lift-to-call" automatic dialing function, it ensures immediate connection to emergency centers or control rooms without the need for a keypad.
Certified by CSA Group (IECEx/ATEX) for use in Zone 1, Zone 2, and Zone 22, this station is built to withstand extreme temperatures, corrosive atmospheres, and high humidity. It is available in two dedicated hardware configurations: SIP (VoIP) for modern network integration and Analog for legacy infrastructure.
Key Features
Automatic Hotline Operation: Immediate dialing of a pre-programmed number upon handset lift.
Certified Protection: Global safety compliance with CSA Group, ATEX, IECEx, EAC, and INMETRO certifications.
Dual-Platform Availability: Choose between Native SIP (PoE) or Legacy Analog (Line-powered).
Extreme Durability: Robust die-cast aluminum enclosure with IP66 ingress protection and IK10 impact resistance.
Clear Voice Quality: Integrated noise-canceling microphone and inductive coupler for hard-of-hearing users.
Zero-Maintenance Design: Magnetic reed hook switch with no moving parts for a service life exceeding 50,000 hours (MTBF).
Connectivity Options:
SIP (VoIP) Version
Protocol: RFC 3261 compliant SIP
Power: Power over Ethernet (PoE 802.3af) or DC12V
Features: Web-interface configuration, remote management, HD Voice
Analog Version:
Connection: Standard 2-wire PSTN/PABX line
Power: Line-powered (No external power required)
Compatibility: Works with all major industrial PABX systems
Clear Communication:
Noise-cancelling microphone
Echo cancellation and HD voice
Powerful internal ringer: 85 dBA @ 1 m (3.3 ft)
Inductive coupler fitted as standard for hard-of-hearing users
Designed for Hazardous Environments
Die-cast aluminum enclosure with corrosion-resistant coating
Stainless-steel hardware and vandal-resistant handset
Fully sealed construction with IP66 protection against dust and water
Resistant to mechanical impact, chemicals, humidity, and outdoor exposure
Operating temperature:
−40°C to +60°C (−40°F to +140°F)
Certified Explosion Protection
Complies with international safety standards:
Ex-Marking (Gas): Ex eb ib [ib Gb] mb IIC T6/T5 Gb
Ex-Marking (Dust): Ex ib [ib Db] tb IIIC T80°C/T95°C Db
Ambient Temperature (T6 / T80°C): -40°F to +104°F (-40°C to +40°C)
Ambient Temperature (T5 / T95°C): -40°F to +131°F (-40°C to +55°C)
Certification Body: CSA Group (IECEx CSA 23.0034X / CSANe 23ATEX1182X)
Environmental Rating: NEMA 4X / IP66 (Dust-tight, Weatherproof, Corrosion-resistant)
Impact Resistance: IK10 (Vandal-resistant die-cast aluminum)
Approved for Zone 1, Zone 2, and Zone 22
Installation & Reliability
Wall-mounted design
Bottom cable entry to prevent tampering
Electronic/magnetic hook switch with no moving parts
MTBF > 50,000 hours
Where It Is Used
This Explosion-Proof Hotline Telephone is intended for permanent installation in safety-critical and explosive environments such as:
Oil & gas facilities and refineries
Chemical and petrochemical plants
Offshore platforms and marine installations
Mining, tunnels, and power generation sites
Heavy industrial and process infrastructure
Order Information:
- LC106EX-03-AD-SIP Explosion-Proof Hotline Telephone, SIP Version, Red
- LC106EX-03-AD-A Explosion-Proof Hotline Telephone, Analog Version, Red
Why Choose This Model
True hotline operation – automatic call on off-hook
Certified explosion protection: ATEX, IECEx, EAC, INMETRO
SIP & Analog options, compatibility for both modern and legacy systems
Heavy-duty die-cast aluminum enclosure, NEMA 4X / IP66 weatherproof
Clear communication in noisy areas with noise-canceling microphone
Designed for long service life (MTBF > 50,000 hours)
LC106EX-03-AD Explosion-Proof Hotline Telephone ( SIP or Analog), red
Versions: Analog & SIP (VoIP)
General
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Application: Hazardous & explosive environments (Zone 1 / Zone 2 / Zone 22)
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Certifications: ATEX, IECEx, EAC, INMETRO
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Explosion Protection:
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Gas: Ex eb ib [ib Gb] mb IIC T6/T5 Gb
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Dust: Ex ib [ib Db] tb IIIC T80℃/T95℃ Db
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Ingress Protection: NEMA 4X / IP66 (Dust-tight, Weatherproof, Corrosion-resistant)
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Housing: Die-cast aluminum alloy, epoxy powder coated
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Handset: Vandal-resistant Cycoloy with stainless steel spiral cord
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Mounting: Wall mounted
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Cable Entry: 3 × M20 glands (bottom entry)
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Operating Temperature:
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−40°C to +65°C (−40°F to +149°F)
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Storage Temperature:
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−40°C to +75°C (−40°F to +167°F)
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MTBF: > 50,000 hours
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Weight: up to 8 kg (≈ 17.6 lb), depending on configuration
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Keypad: Hotline telephone without keypad, programmable for auto-dial
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Hearing Aid Compatible: Inductive coupler as standard
SIP (VoIP) Version – Key Specifications
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Protocol: SIP 2.0 (RFC 3261)
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Compatibility: AVAYA, Cisco, Siemens, NEC and most SIP-based IP-PBXs
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Power Supply:
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PoE IEEE 802.3af or 12 VDC
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Adapter: 100–240 VAC, 50/60 Hz → 12 VDC
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Power Consumption:
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Idle: 1.5 W
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Active: 1.8 W
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Network Interface:
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2 × RJ-45, 10/100Base-T (Auto-MDIX)
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Voice Codecs: G.711 A/U, G.722 (HD), G.723, G.729
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Audio:
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HD voice
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Echo cancellation (G.168)
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Noise reduction
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Call Functions:
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Auto-dial
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Primary / backup SIP server switching
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Ringing Volume: up to 95 dB(A) @ 1 m (≈ 3.3 ft)
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Management:
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Web-based configuration
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DHCP / Static IP
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VLAN support
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Firmware upgrade via browser
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Analog Version – Key Specifications
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Line Powered: No external power supply required
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Operating Voltage: 24–65 VDC
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Operating Current: 20–100 mA DC
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Ringing Voltage: 48–90 VAC, 21–54 Hz
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Ringing Volume: up to 80 dB(A) @ 1 m (≈ 3.3 ft)
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Dialing: DTMF or Pulse (ITU-T Q.23 compliant)
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Compatibility: All standard PABX systems
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Functions:
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Auto-dial with delay
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Scheduled test calls (line supervision)
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Remote programming via DTMF
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Line Protection: Lightning & surge protection per ITU-T K.21
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