Overview
The Mean Well HRP-450-48 is an enclosed, single-output industrial AC-DC power supply designed for robust automation and control applications. Output is 48 Volts DC at 9.5 amps, with a maximum power output of 456 watts. It accepts an AC input voltage of 85–264 and has an efficiency rating of 90%. This model features screw terminal connections and an on-board fan for active cooling.
Key Features
- Active PFC Function: Power factor >0.95 reduces line harmonics and improves efficiency.
- Wide Input Range: 85–264 VAC universal input for global deployment without configuration changes.
- Built-in Protections: Short circuit, overload, over-voltage, and over-temperature protection with constant current limiting circuit.
- Remote Sense: Adjustable output voltage via built-in remote sense function for improved load regulation.
- Long Warranty: 5-year manufacturer warranty standard on all units.
- DC OK Signal: Status output for system monitoring and fault detection.
Technical Specifications
All specifications verified from Mean Well official datasheets and authorized distributors:
- Output Voltage: 48 VDC
- Output Current: 9.5 A (rated)
- Rated Power: 456 W
- Input Voltage Range: 85–264 VAC
- Efficiency: 90%
- Operating Temperature: −40°C to +70°C
- Dimensions (L × W × H): 218 × 105 × 41 mm
- Cooling: On-board fan with ON-OFF control
- Connection Type: Screw terminals
- Package: Enclosed metal housing
Typical Applications
- Industrial automation control cabinets and machinery.
- PLC and automation controller power backup.
- LED lighting and industrial lighting systems.
- Power distribution modules and DIN-rail applications.
- Factory networks and communication equipment.
- Test and measurement equipment in harsh environments.
Compatibility & Replacements
Compatible With
- Allen-Bradley PLCs and I/O modules (48V systems).
- Siemens SIMATIC controllers and drives requiring 48V auxiliary power.
- Omron industrial control systems and safety modules.
- Mitsubishi and ABB automation equipment.
- Standard 48V DC distribution systems and DIN-rail enclosures.
Replaces / Drop-In Replacement For
- Other models in the HRP-450 series with different voltage outputs (HRP-450-3.3, HRP-450-5, HRP-450-12, HRP-450-24, HRP-450-36).
- Legacy industrial PSUs requiring 456W at 48V output with similar footprint.
Works With
- Industrial Ethernet networks and automation controllers.
- EtherNet/IP, PROFINET, and standard industrial protocols.
- Modular DIN-rail power distribution systems.
- Standard 48V DC devices and field instruments.
