MDR-40-5 Power Supply 85-264VAC 1 Phase input, output 5 volts DC 6.0 Amps
MPN: MDR-40-5
Alt. SKU: MDR405

Why Choose the Mean Well MDR-40-5 DIN Rail Power Supply?
The Mean Well MDR-40-5 is a robust, ultra-slim 40W DIN rail power supply designed for industrial control panels, automation, and building management systems. With a 5V DC output at 6A, this power supply provides reliable, energy-efficient performance with comprehensive protections. Its compact plastic housing is ideal for space-limited installations, offering simple DIN rail mounting for fast setup.
Key Takeaways
- Output: 5V DC at 6A (30W)
- Input Voltage: 85–264V AC / 120–370V DC
- High efficiency up to 78%
- Protections: Short circuit, overload, over voltage
- Cooling by free air convection
- DIN rail mountable (TS35/7.5 or TS35/15)
- Ultra-slim plastic case: 22.5mm width
- Operating temperature: -20°C to +70°C
- Compliance: UL508, TUV EN60950-1, CE, CB, EAC
Frequently Asked Questions About the Mean Well MDR-40-5
- What is the output voltage and current of the MDR-40-5?
- What are the input voltage ranges supported?
- What protection features are included?
- How is the unit cooled?
- What are the mounting options?
Mean Well MDR-40-5 Overview
The MDR-40-5 is part of Mean Well’s trusted MDR series of slim DIN rail power supplies, offering reliable 5V DC output at 6A for demanding low-voltage industrial and automation tasks. With a plastic case, high efficiency, and comprehensive protections, it’s a cost-effective solution for compact installations.
Speed & Safety Benefits
- Quick installation: Slim DIN rail mounting saves valuable space and speeds up wiring
- Enhanced safety: Short circuit, overload, and over voltage protection safeguard both equipment and user
- Energy-efficient: Low standby power and high reliability for continuous use
Key Features of the Mean Well MDR-40-5
- Output: 5V DC at 6A (30W)
- Input Voltage: 85–264V AC / 120–370V DC
- High efficiency up to 78%
- Protections: Short circuit, overload, over voltage
- Cooling by free air convection
- DIN rail mountable (TS35/7.5 or TS35/15)
- Ultra-slim plastic case: 22.5mm width
- Operating temperature: -20°C to +70°C
- Compliance: UL508, TUV EN60950-1, CE, CB, EAC
The MDR-40-5 provides a 5V DC output at 6A, delivering a total power of 30W.
It supports a wide input voltage range of 85–264V AC and 120–370V DC, enabling flexible use worldwide.
Short circuit, overload, and over voltage protections ensure safe and reliable operation for equipment and users.
This power supply is cooled by free air convection, so no fan is required.
The MDR-40-5 is designed for DIN rail mounting and is compatible with TS35/7.5 or TS35/15 rails for secure, easy installation.
Choose the Mean Well MDR-40-5 DIN Rail Power Supply for dependable, space-saving, and efficient low-voltage power in your automation or control systems.