MEAN WELL MDR-40-5 DIN Rail Power Supply 5V DC 6A 30W

The MEAN WELL MDR-40-5 is a DIN rail power supply delivering a stable 5V DC output with a maximum current of 6A, providing 30W of power for industrial control systems, automation equipment, and low-voltage devices. Its universal AC input range of 85 to 264 VAC ensures compatibility with global power grids, while the adjustable output voltage from 4.75 to 5.5V allows fine-tuning for specific applications.

Advantages

This power supply features high efficiency of 84%, reducing energy consumption and heat generation. It includes comprehensive protection against short circuits, overload, and overvoltage, safeguarding connected equipment. The compact design mounts on standard TS-35/7.5 or TS-35/15 DIN rails, simplifying installation in control cabinets. With a wide operating temperature range of -20 to +70°C and free air convection cooling, it operates reliably in demanding environments.

Suitable for

• Industrial automation and control systems
• Building management and security systems
• LED lighting and low-voltage electronics
• Test and measurement equipment

Key specifications

• Output voltage: 5V DC (adjustable 4.75–5.5V)
• Output current: 6A
• Output power: 30W
• Input voltage: 85–264 VAC or 120–370 VDC
• Efficiency: 84%
• Ripple and noise: 80mVp-p
• Isolation voltage: 3kVAC (input-output)
• No-load power consumption: <0.5W
• Operating temperature: -20 to +70°C

Recommendations

Ensure adequate ventilation around the unit and verify that the total load does not exceed 30W. For optimal performance, adjust the output voltage within the specified range using the built-in potentiometer.