Dahua Addressable Fire Alarm Control Panel (1 Loop-254 Devices) HY-1022R-AB

• Class A Topology: Reduce wiring costs and enhance circuit stability.
• Two-Wire, Polarity-Free Communication: The system uses a two-wire, polarity-free technology, eliminating the need for an external power source. This enhances reliability, simplifies wiring, reduces costs, and facilitates maintenance.
• User-Friendly Display: The 4.3-inch LCD screen (480 × 272) offers an intuitive interface for complete system setup without external tools.
• Extended Event Logging: Historical events are securely saved and can be queried and printed by time and type.
• Intelligent Power Management: Automatic switching between main and backup power ensures a stable supply, enhancing system reliability.
• Comprehensive Protection: Includes short circuit, open circuit, and overcurrent protection for stable operation

Specifications

• Working Voltage : 16V DC–28V DC
• System Capacity : Max. 254 devices for one loop
• Loop Number : 1 Loop
• Main Power : AC90-240V/50Hz, 60Hz
• Backup Power : 2×12V/5Ah lead-acid battery
• Fire Alarm Terminal : NO/NC
• Fire Fault Terminal : NO/NC
• Communication Distance : Max. 1500m
• Max Cascade : 128 Panels By RS-485
• Cable Specs : 2×1.5 mm²
• Display : 480 × 272 4.3’’ LCD screen 
• Printer (optional) : Micro thermal printer
• Dimensions : 333.0 mm×115.0 mm×480.0 mm (13.11" × 4.53" × 18.90")
• Operating Temperature : –10°C to +40°C (+14°F to +104°F)
• Operating Humidity : ≤ 95% RH (no condensation)
• Protection Grade : IP30
• Weight : 7 kg / 10 kg (with 2 batteries