HRP-450-48 - Cables for Computers and Peripherals Mean Well - Free user manual and instructions
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| Product Type | AC/DC Power Supply |
| Brand | Mean Well |
| Model | HRP-450-48 |
| Output Voltage | 48 VDC |
| Output Current | 9.4 A |
| Output Power | 450 W |
| Input Voltage Range | 90 ~ 264 VAC |
| Input Frequency | 47 ~ 63 Hz |
| Efficiency (Typ.) | 90% |
| Dimensions (L x W x H) | 218 x 105 x 65 mm |
| Weight | 1.2 kg |
| Cooling Method | Forced air cooling with built-in fan |
| Operating Temperature | -30°C to +70°C (derating above 50°C) |
| Protection Features | Short circuit, overload, overvoltage, over temperature |
| Certifications | UL 60950-1, EN 60950-1, CB, CE |
| Mounting Type | Panel mount (screw terminals) |
| Output Adjustability | ±10% via built-in potentiometer |
| Warranty | 3 years |
Frequently Asked Questions - HRP-450-48 Mean Well
What is the input voltage range of the HRP-450-48?
The input voltage range is 90 to 264 VAC at 47 to 63 Hz.
What is the output voltage and current of this power supply?
The output voltage is 48 VDC with a maximum current of 9.4 A, providing 450 W total power.
Can I adjust the output voltage?
Yes, the output voltage can be adjusted by ±10% using the built-in potentiometer located on the top cover.
What protections does the HRP-450-48 have?
It includes short circuit, overload, overvoltage, and over temperature protection. The unit will shut down automatically and recover after fault removal.
How should I mount the power supply?
Use the screw terminals for input and output connections. Panel mount using the provided mounting holes, ensuring adequate airflow for the fan.
What is the operating temperature range?
The unit operates from -30°C to +70°C, but output power must be derated above 50°C (consult derating curve).
Does the power supply have a fan?
Yes, it features a built-in fan for forced air cooling. Ensure the fan intake and exhaust are not obstructed.
What certifications does this unit comply with?
It is certified to UL 60950-1, EN 60950-1, CB, and CE, making it suitable for many industrial and commercial applications.
Can I use this power supply in parallel or series for higher output?
For parallel operation, use an external ORing diode; for series operation, verify that the total voltage does not exceed 60VDC due to safety limits. Refer to the manual for details.
What is the warranty period?
Mean Well offers a 3-year warranty from the date of purchase, covering defects in materials and workmanship.
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USER MANUAL HRP-450-48 Mean Well
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Product information
Brand : Mean Well
Model : HRP-450-48
Category : Cables for Computers and Peripherals