Mean well MDR-40-05 40 Watt Power Supply 5V 6.0A output

Why Choose the Mean Well MDR-40-05 40 W DIN Rail Power Supply?

The Mean Well MDR-40-05 is a robust industrial-grade 40 W DIN rail power supply designed to deliver a stable 5 V DC output at 6 A for control panels, sensors, embedded controllers, communication equipment and low-power automation systems. With universal AC/DC input compatibility, built-in protections and reliable fanless convection cooling, this unit provides dependable performance in compact enclosures and demanding commercial environments. :contentReference[oaicite:0]{index=0}

Ideal for engineers, panel builders and maintenance professionals, the MDR-40-05 balances dependable Mean Well quality with a slim DIN rail form factor that simplifies installation, improves panel space utilisation and ensures long-term reliability. :contentReference[oaicite:1]{index=1}

Product Code: Mean Well MDR-40-05

Key Benefits

• High-capacity 5 V output: Provides regulated 5 V DC at up to 6 A for a variety of industrial and control applications. :contentReference[oaicite:2]{index=2}
• Universal AC/DC input: Works with 85–264 V AC or 120–370 V DC for flexible worldwide compatibility. :contentReference[oaicite:3]{index=3}
• Fanless convection cooling: Quiet, maintenance-free operation with improved reliability. :contentReference[oaicite:4]{index=4}
• Compact DIN rail design: Slim 40 mm profile supports neat panel layouts and efficient wiring. :contentReference[oaicite:5]{index=5}
• Built-in protections: Short circuit, overload and overvoltage safeguards enhance safety and durability. :contentReference[oaicite:6]{index=6}
• LED indicator and DC OK relay: Visual power status and remote signalling support system diagnostics. :contentReference[oaicite:7]{index=7}

Technical Specifications

• Manufacturer: Mean Well
• Model: MDR-40-05
• Output Voltage: 5 V DC
• Output Current: 6 A
• Rated Output Power: 40 W
• Output Ripple & Noise (max): ~80 mV p-p ‹typical› :contentReference[oaicite:8]{index=8}
• Input Voltage Range: 85–264 V AC / 120–370 V DC :contentReference[oaicite:9]{index=9}
• Input Frequency: 47–63 Hz :contentReference[oaicite:10]{index=10}
• Cooling Method: Free air convection (fanless) :contentReference[oaicite:11]{index=11}
• Mounting: DIN rail TS-35/7.5 or TS-35/15 :contentReference[oaicite:12]{index=12}
• Protections: Short circuit, overload, overvoltage :contentReference[oaicite:13]{index=13}
• No-load Power Consumption: < 0.75 W :contentReference[oaicite:14]{index=14}
• Isolation Voltage: 3000 VAC input-to-output :contentReference[oaicite:15]{index=15}
• Dimensions: ~40 × 90 × 100 mm :contentReference[oaicite:16]{index=16}
• Operating Temperature: -20 °C to +70 °C (with derating) :contentReference[oaicite:17]{index=17}
• Approvals: UL508, TUV/EN62368-1, CE, CB, EAC :contentReference[oaicite:18]{index=18}
• LED indicator: Power on status display – enhances panel diagnostics. :contentReference[oaicite:19]{index=19}
• DC OK relay contact: Remote signalling for output status. :contentReference[oaicite:20]{index=20}

Compatibility

The Mean Well MDR-40-05 is suitable for applications needing a compact 40 W 5 V DIN rail power supply. Always verify that the output current and voltage match your load requirements before installation. :contentReference[oaicite:21]{index=21}

Applications

• Industrial control panels and automation cabinets
• PLC logic and embedded controllers
• Sensors, indicators and signalling devices
• Instrumentation and data acquisition modules
• Small motor control and communication interfaces
• System upgrades and maintenance replacements

Supplied as a new, unused genuine Mean Well power supply, ideal for professional electrical installations and industrial automation systems. :contentReference[oaicite:22]{index=22}

Common Search Terms

MDR-40-05, Mean Well MDR-40-05, 5 V 40 W DIN rail power supply, industrial DIN rail PSU, automation power supply, MDR40-05 installation.