The ABB 520PSD01 is a power supply unit (PSU) designed for use in the RTU520 remote terminal unit (RTU) product line.

It is a DIN-rail mounted unit that provides 24 VDC, ±15 VDC, and 5 VDC power to the RTU system.

Key features of the ABB 520PSD01 include:

• Input voltage: 24 VDC
• Output voltages:
  Cooling: Natural convection
  • 24 VDC @ 20 A
  • ±15 VDC @ 1 A
  • 5 VDC @ 0.5 A
• Reverse voltage protection
• Efficiency: >85%
• Operating temperature range: -25°C to +70°C
• Dimensions: 110 mm x 90 mm x 22.5 mm (W x H x D)
• Weight: 0.4 kg

The ABB 520PSD01 is commonly used in a variety of applications, including:

• Industrial automation
• Oil and gas
• Utilities
• Transportation
• Building automation

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