MEAN WELL LRS-50-5 AC/DC Power Supply 50W 5V 10A Enclosed Chassis Mount

Industrial automation engineers and system integrators often need a compact, reliable 5V DC source for powering sensors, microcontrollers, and LED strips directly from the mains. The MEAN WELL LRS-50-5 enclosed power supply delivers a stable 5V output at up to 10A, making it a workhorse in control cabinets and machinery where space is at a premium. Its metal housing and chassis-mount design ensure it can be securely installed in a variety of industrial environments.

Key specifications

• Output voltage: 5V DC (adjustable from 4.75V to 5.5V)
• Output current: 10A, delivering 50W of continuous power
• Wide input range: 85–264V AC or 120–370V DC, with 47–63Hz frequency
• High efficiency: up to 83%, reducing energy waste and heat
• Low ripple and noise: 80mVp-p for clean power to sensitive loads
• Comprehensive protections: short circuit, overload, and over voltage
• Operating temperature: -30°C to +70°C with free air convection cooling
• Isolation: 3kV AC between input and output for safety
• Compact enclosed metal case, chassis mount with screw terminals
• Compliance: UL60950-1, TUV EN60950-1, CE; MTBF over 700,000 hours

Why choose it

This power supply is built for longevity and dependable performance in demanding conditions. Its wide input voltage range allows operation on unstable mains or DC sources, while the adjustable output lets you fine-tune the voltage for specific applications. The high efficiency and free-air convection cooling mean no fan is needed, reducing noise and maintenance. With full international safety certifications, it is a trusted choice for OEM equipment and field installations.

Ideal use cases

• Powering industrial sensors, PLCs, and control circuits
• Driving LED lighting strips and displays
• Supplying 5V logic to embedded systems and microcontrollers
• Battery charging for 5V systems with current limiting
• Laboratory and test bench power for prototyping

Good to know

The LRS-50-5 is part of MEAN WELL's popular LRS series, known for its slim profile and cost-effectiveness without compromising quality. Installation is straightforward: mount the unit on a flat surface using the provided holes, then connect wires to the screw terminals. Ensure adequate ventilation around the unit, especially when operating at full load and high ambient temperatures. For applications requiring DIN rail mounting, an optional adapter bracket is available separately.