Power adapter MEAN WELL UHP-500R-48 500 W 48 V 90-264 V

The MEAN WELL UHP-500R-48 is an AC-DC slim enclosed power supply with active PFC, designed to deliver a single stable 48 VDC output at up to 10.45 A (500 W). It accepts a wide input range of 90–264 VAC and includes a DC OK signal for system monitoring. The unit has a compact metal housing with dimensions 81 mm (W) × 232 mm (D) × 31 mm (H) and is RoHS certified.

Advantages

The UHP-500R-48 provides efficient power conversion with active power factor correction, compact form factor for space-constrained installations, and a built-in DC OK signal for easy integration with monitoring or control systems. RoHS compliance ensures reduced hazardous substances.

Suitable for

• Industrial control equipment
• Telecommunications and network devices
• LED lighting systems and signage
• Embedded systems and rack-mounted electronics

Key specifications

• Output voltage: 48 VDC
• Output current: 10.45 A
• Output power: 500 W
• Input voltage range: 90–264 VAC
• Function: Single output, enclosed design with PFC
• Signal: DC OK
• Dimensions (W×D×H): 81 × 232 × 31 mm
• Compliance: RoHS
• Brand / MPN / EAN: mean well / UHP-500R-48 / 4021087057127

How to use

Mount the UHP-500R-48 in a well-ventilated location suitable for enclosed power supplies, ensuring correct orientation and secure fixing. Connect the AC input to a 90–264 VAC mains source following local wiring regulations. Connect the 48 VDC output to the load, observing polarity. Use the DC OK signal for external monitoring or to interface with control systems. Verify connections and power up while monitoring output voltage and load current to confirm proper operation.

Recommendations

Install the power supply in an environment within the manufacturer’s rated temperature and humidity ranges, provide adequate airflow, and protect the unit from excessive dust and moisture. Ensure the load does not exceed 10.45 A and use appropriate fusing and wiring sized for the output current.