The Mean Well MDR-40-24 is a compact 40W DIN rail mount power supply designed for industrial automation and control applications. With a universal 85-264VAC input range, it provides a stable 24VDC output at up to 1.7A. The slim 1.57" wide profile installs easily on standard 35mm DIN rails, saving valuable panel space. Engineered for harsh industrial environments, this power supply operates reliably from -4°F to 158°F without fans. It features comprehensive protections against short circuit, overload, and overvoltage conditions. The high 88% efficiency and low 0.75W no-load power consumption help reduce energy costs in always-on systems. UL and CE certifications ensure safety and EMC compliance for global markets. Applications include industrial automation, process control, instrumentation, and manufacturing equipment requiring a compact, efficient 24V power source.