Mean Well MDR-40-24 DIN Rail DC Power Supply

Description:

The Mean Well Replacement MDR-40-24 DIN-Rail power supply is used in industrial control systems to convert AC input power into stable 24V DC output for automation components. Commonly installed in control panels, manufacturing lines, and automated machinery to power PLCs, sensors, relays, and communication devices. Maintenance teams and system integrators use this power supply for panel builds, system retrofits, and replacement of failed or aging power units.

Applications:

The Mean Well Replacement MDR-40-24 DIN-Rail power supply is widely used in industrial automation environments requiring reliable DC power distribution. It is commonly found in control cabinets, conveyor systems, packaging equipment, CNC machines, and process automation lines where consistent 24V DC output is critical for stable operation of control systems and field devices.

Technical Specifications:

• Manufacturer: Mean Well
• Part Number: MDR-40-24
• Product Type: DIN-Rail Power Supply
• Series: MDR-40
• Input Voltage: 85–264 VAC / 120–370 VDC
• Output Voltage: 24 VDC
• Output Current: 1.7 A
• Rated Output Power: 40.8 W
• Efficiency: 88% Typical
• Number of Outputs: 1
• Voltage Adjustment Range: 24–30 VDC
• Mounting Type: DIN Rail TS35/7.5 or TS35/15
• Cooling Method: Free Air Convection
• Protection Features: Short Circuit, Overload, Over Voltage
• DC OK Relay Contact: Yes
• LED Indicator: Power On
• Operating Temperature: -20°C to +70°C (with derating)
• Dimensions (W × D × H): 40 × 90 × 100 mm
• Isolation Voltage: 3 kV
• Application: Industrial Automation, Control Panels, PLC Systems
• Status: Active Production Component

Common Replacements:

• Mean Well MDR-40-24
• Mean Well HDR-60-24
• Mean Well NDR-75-24