Description
1. Product Title
Honeywell FC-PSU-UNI2450U Universal High Power 24V DC Industrial Switching Power Supply
2. Product Overview
FC-PSU-UNI2450U is a high-power single-phase AC-DC power supply module developed by Honeywell, specially matched for Experion PKS DCS, SIS safety system, FC series remote I/O racks and process control cabinets in petrochemical, power, oil & gas industries.
Model Code Explanation
-
Model:FC-PSU-UNI2450U
- FC: Honeywell Field Control DCS system series
- PSU: Power Supply Unit
- UNI: Universal wide-range AC input
- 24: Nominal 24VDC output
- 50U: Max 50A output current (24V×50A ≈ 1200W rated power)
It adopts high-efficiency switching circuit, built-in full protection conforming to IEC 61508 functional safety standard, supports hot-swappable replacement in live control cabinets, and reserves fault relay alarm output for DCS system status monitoring.
3. Core Technical Specifications
Input Side
- Input Voltage: 90~264V AC universal single-phase
- Frequency: 47~63Hz
- Inrush Current: ＜15A
- No-load power consumption: 13W
- Power Factor: ≥0.9
Output Side
- Default Output: 24VDC (adjustable ±1%)
- Selectable fixed gears: 25VDC @48A / 28VDC @43A
- Max Rated Power: 1200W
- Ripple & Noise: ＜40mVpp
- Hold-up Time: ≥100ms under full load
Protection & Safety
- Dual independent overvoltage protection (SIL-capable design)
- Overcurrent, short-circuit, over-temperature automatic shutdown
- 3750Vrms isolation between input and output
- Dry contact alarm signal for power failure/fault uploading to DCS
Environmental & Mechanical
- Operating Temp: -5℃ ~ +70℃
- Storage Temp: -25℃ ~ +85℃
- Humidity: 5%~95% non-condensing
- Dimension: 420.5 × 140 × 90 mm
- Net Weight: 5.7kg
- Certifications: UL508, TÜV, CE, CSA, Class I Div 2 hazardous area approval
4. Main Features
- Hot-plug design with independent AC/DC disconnect switches, maintainable without system power-off
- High efficiency up to 87%@230VAC, low heat generation for cabinet long-term stable running
- Heavy load capacity, can power multiple FC-RUSIO remote I/O racks, controllers and field transmitters centrally
- Standard Phoenix heavy-current screw terminals for high-current wiring safety
5. Application Scenarios
- Petrochemical DCS Control Room
Central power supply for Honeywell Experion PKS FC series remote distributed I/O modules (e.g. FC-RUSIO-3224), controller racks and safety barrier assemblies.
- Thermal Power Plant SIS Protection Cabinet
Stable power feeding for safety interlock PLC, voting logic modules and field trip solenoid valves.
- Oil & Gas Offshore Platform Control System
High-reliability industrial-grade power unit for harsh EMC, wide temperature range and hazardous classified zones.
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