Description
Honeywell FC-PSU-UNI2450U V2
Technical Specifications
Brand: Honeywell
Model: FC-PSU-UNI2450U V2
Module type: Universal AC-input system power supply
Input voltage: 100–240 V AC, 50/60 Hz
Output voltage: 24 V DC
Output current: Approximately 5 A in standard configurations; higher-capacity system versions up to 50 A exist for specific rack applications
Output voltage tolerance: Approximately +30% to -15% for the 24 V DC variant
Efficiency: Up to approximately 85%
Protection features: Overvoltage protection, short-circuit protection, overtemperature protection
Diagnostic indicators: LED status indication for power, fault, fan, and temperature conditions
Safety standard: UL 508 applicable for system power supply variants
Mounting: DIN-rail or system rack mounting depending on configuration
Operating temperature: Approximately -20°C to +60°C
Functional Features
Universal AC input from 100 to 240 V AC
Stabilized 24 V DC output for control and safety systems
High-current capability for system-level power distribution
Integrated overvoltage, short-circuit, and overtemperature protection
LED diagnostics for power status and fault indication
Fan and temperature monitoring for system reliability
Suitable for Honeywell safety management system power feeds
Supports field controllers, I/O racks, and automation panels
Compact DIN-rail or rack-mount installation options
Designed for continuous industrial operation
Application Scenarios
Honeywell safety management system power distribution
Industrial process control cabinets
Distributed control system power feeds
Field controller and I/O rack供电
Oil and gas facility control systems
Petrochemical plant automation panels
Power generation control rooms
Steel mill and metallurgical control systems
Manufacturing automation power distribution
Building automation and large-scale HVAC control panels
Performance Parameters
Input voltage: 100–240 V AC, 50/60 Hz
Output voltage: 24 V DC
Output current: Approximately 5 A typical; system rack versions up to 50 A
Output voltage range: +30% to -15% for 24 V DC variant
Efficiency: Up to approximately 85%
Operating temperature: -20°C to +60°C
Protection: Overvoltage, short-circuit, overtemperature
Material Composition
Industrial power supply circuitry
AC-to-DC conversion components
Output filtering and regulation stages
Overcurrent and overvoltage protection circuitry
Temperature sensing and fan control electronics
Status LED indicators
Metal or reinforced plastic housing
Screw-terminal or system connector interface
Structural Features
Compact industrial power supply enclosure
Front or top-mounted LED indicators for power and fault status
AC input and 24 V DC output terminal connections
Fan-assisted or convection cooling depending on power rating
DIN-rail mounting clips or rack-mount interface
Clear labeling for FC-PSU-UNI2450U and V2 revision
Ventilation openings for thermal management
Robust construction for control cabinet environments
Working Principle
The FC-PSU-UNI2450U V2 converts universal AC input power into a regulated 24 V DC output. Internal circuitry rectifies, filters, and regulates the input voltage to maintain a stable DC supply for connected control and safety equipment. The module continuously monitors output voltage, internal temperature, and fan operation. If output voltage moves outside the acceptable range, or if a fault such as overtemperature or fan failure occurs, the module indicates the condition through LED diagnostics and system alarms. This allows maintenance personnel to respond before the fault affects system operation.
Installation Requirements
Verify that the V2 revision matches the existing system requirements
Install in a ventilated control cabinet or approved enclosure
Connect AC input power using correctly rated cables and protective devices
Connect 24 V DC output to field controllers, I/O racks, or safety system loads
Ensure correct polarity for DC output wiring
Maintain adequate clearance around ventilation openings
Ground the power supply and cabinet according to electrical standards
Verify LED indicators show normal operation after energizing
Do not exceed the rated output current for the installed configuration
Usage Precautions
Confirm whether the application requires the 5 A or 50 A system variant
Do not mix different PSU revisions without system validation
Monitor LED alarms for overtemperature, fan failure, or output faults
Keep humidity within recommended cabinet conditions
Avoid blocking ventilation openings or fan airflow
Replace faulty units only with genuine Honeywell parts
Do not modify internal settings or calibration
Refer to the official Honeywell documentation for exact wiring and commissioning steps
