Description

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Technical Specifications

• Brand: Honeywell
• Model: 05701-A-0405
• Warranty: One Year
• Condition: 100% New & Original
• Input: 85–264 VAC, 47–440 Hz; 110–340 VDC
• Output: 24 VDC ±10%, 50W base unit, expandable up to 200W
• Operating Temp: -20°C ~ +55°C
• Humidity: 5%–95% non-condensing
• Form Factor: 1U 19-inch rack mount
• Protection: Overvoltage, overcurrent, short-circuit, thermal shutdown
• Weight: 0.85 kg
• Compatibility: Honeywell Sieger System 57 gas detection rack (16-slot)
• Certifications: ATEX, IECEx, UL, cUL, CE

3. Product Overview

The 05701-A-0405 is a rack-mounted universal power supply unit for Honeywell Sieger System 57 fire and gas monitoring racks. It converts wide-range AC or DC mains input into regulated 24 VDC power to feed the rack backplane and all installed control, relay and interface cards. The modular power design allows capacity expansion to support full 16-channel rack configurations. Built-in multi-layer protection circuits isolate fault conditions to avoid total system shutdown. Front status LEDs show mains presence and DC output health for quick visual inspection. It provides stable, continuous power for gas safety systems in oil & gas, chemical, refinery and offshore hazardous areas.