Honeywell FC-PSU-UNI2450U V2.1 Industrial Power Supply
Manufacturer: Honeywell
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Part Number: FC-PSU-UNI2450U V2.1
Condition：New with Original Package
Product Type: Power Supply Units
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Honeywell FC-PSU-UNI2450U V2.1 Power Supply Units
The Honeywell FC-PSU-UNI2450U V2.1, also cataloged as the FC-PSU-UNI2450U System Power Supply Unit, operates as a dedicated hardware component for converting AC mains power into regulated DC power for controllers and I/O modules within Honeywell Safety Manager and Experion PKS automation environments.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FC-PSU-UNI2450U V2.1 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 5.7 kg |
| Dimensions | 420.5 mm x 140 mm x 90 mm |
| Operating Temp | -5 deg C to +70 deg C |
| Power Consumption | 13 W (No load) |
| Input Voltage | 110-240 VAC |
| Output Voltage | 25 VDC or 28 VDC (configurable) |
| Rated Output Current | 48 A at 25 VDC / 43 A at 28 VDC |
| Enclosure Rating | IP20 |
4-20 mA HART Loop Protocol and DCS Signal Conditioning
The power supply unit maintains precise electrical regulation across connected field loops to support 4-20 mA HART loop protocols and channel-to-channel isolation circuits within the broader control architecture. By delivering a stable output with minimal ripple and noise, it prevents voltage sags that can corrupt analog measurement loops or disrupt digital HART frequency-shift keying overlays. Furthermore, cold junction compensation and internal thermal monitoring protect sensitive input circuits from common-mode electrical disturbances.
Frequently Asked Questions
Q: Can multiple power supply units be configured in a parallel arrangement for fault-tolerant redundancy?
A: Yes. Multiple units operate in parallel configurations to establish active power load sharing and continuous backup protection during primary circuit faults.
Q: How does the unit protect downstream control modules against short-circuit events?
A: The internal circuitry features built-in overvoltage, overcurrent, short-circuit, and thermal protection profiles that safely limit output current and isolate fault conditions without damaging connected system components.
Field Installation Guidelines
Mount the power supply securely onto a standard DIN rail or enclosure backplate inside a ventilated control cabinet, ensuring adequate vertical clearance above and below the housing to support natural convection cooling. Connect the incoming 110-240 VAC mains wiring to the primary input terminals while maintaining proper phase, neutral, and low-impedance earth grounding connections. Route output DC distribution lines away from high-voltage cables and variable frequency drive feeds to eliminate inductive noise coupling. Verify that total load requirements do not exceed the rated output current before energizing the system.