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Phihong AM250U-540AP-R 250W Desktop Power Adapter

Phihong AM250U-540AP-R 250W Desktop Power Adapter delivers high efficiency and reliable performance, ideal power solution for modern electronic devices. This adapter operates at 250W output power, 54V±5% output voltage regulation, 100VAC to 240VAC input voltage, and 4.63A output current. The AM250U-540AP-R desktop power adapter includes protection features such as overvoltage, overcurrent, short-circuit, and overtemperature. This adapter complies with Class B EMI, US DoE Level VI efficiency, and EU CoC Ver 5 Tier 2. The AM250U-540AP-R desktop power adapter is ideal for networking devices, monitors, notebooks, and industrial equipment.

Features

  • Safety requirements:
    • IEC 62368-1
    • CE/CB/UL/RCM/PSE/UKCA/PSB/CCC/KCC/BSMI
    • Comply with ErP standard
    • Class B EMI
    • US DoE level VI efficiency compliance
    • EU CoC Ver 5 Tier 2 compliance
  • Protection:
    • Over-voltage
    • Over-current
    • Short circuit
    • Over-temperature

Applications

  • Networking device
  • Monitor
  • Notebook
  • Industrial

Specifications

  • 250W output power
  • 54V±5% output voltage regulation
  • 100VAC to 240VAC input voltage
  • 4.63A output current
  • 5,000m operating altitude
  • 180mm x 92.5mm x 37mm dimensions
  • 5,000m operating altitude
  • 20% to 80% RH operating relative humidity
  • 0°C to 45°C operating temperature range
Published: 2026-02-12 | Updated: 2026-02-12