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Product Description
HSC-1J/12J/24J-Ex Explosion-proof Sound-powered Telephone
Product Introduction
The HSC-1J/12J/24J-Ex series defines the next generation of safety-critical communication for the most hazardous marine and offshore environments. These certified, intrinsically safe explosion-proof sound-powered telephones are engineered to deliver fail-safe voice communication in explosive atmospheres where absolute operational safety is non-negotiable. Available in 1-station (1J-Ex), 12-station (12J-Ex), and 24-station (24J-Ex) configurations, they provide the ultimate protection by ensuring the electrical and thermal energy within the circuit is kept below levels capable of igniting specific hazardous gases or dusts.
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Technical Data
| Temperature | -10℃~ +55℃ |
| Envurinment Noise | ≤85dB |
| With Noise-proof Headset | ≤110dB |
| Sound of Receiver | ≥85dB |
| Extension Gain | 20±3dB |
| Power for Extension | DC24V-25%/+ 30% 0.3A |
| Bell Contact | AC125V/1A DC30V/2A |
| With Features against vibration,incline,dampness,mildew and salt fog | |
Core Features & Advantages
Certified Intrinsically Safe (Ex i) & Explosion-Proof
Ultimate Power-Free Safety & Reliability
Enhanced Durability for Extreme Environments
Superior Voice Clarity in High Noise
Flexible Dual-Mode Operation:Straight (Party-Line) Mode，Selective (Call & Listen) Mode
Mandatory Compliance for Highest Risk Zones
System Connection Diagram
Single-Way Batteryless Telephone System
Single Way Batteryless Telephone System Connection Diagram
Multi-Way Batteryless Telephone System
Multi-Way Battery-Less Telephones System Connection Diagram
Commanding Battery-Less Telephones System
Commanding Battery-Less Telephones System Connection Diagram
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