The DIGITUS DN-PWR-SST-125 is an ultra-compact 5V DIN rail power supply with 12W output, specifically designed for modern electrical and building installations. With a width of only 18mm, it takes up minimal space in distribution cabinets and is ideal for applications where many low-voltage devices need to be operated in close quarters. Thanks to its wide input voltage range of 90–264V AC / 127–370V DC, the power supply can be used worldwide and provides a stable 5V DC output of up to 2.4A. The output voltage is adjustable between 4.5V and 5.5V, allowing for perfect adaptation to microcontrollers, sensors, or bus systems. Features include comprehensive protection circuits such as short-circuit, overload, and overvoltage protection. With Isolation Class II, Class 2/LPS, and high efficiency, it ensures a long-lasting, energy-optimized operation. With its robust temperature range of -20 to +47 °C, the DN-PWR-SST-125 is suitable for building automation, industry, smart home systems, access solutions, controls, IoT gateways, and anywhere a reliable 5V power supply is required. In industrial settings, the power supply reliably powers PLC auxiliary components, I/O modules, RS485/RS232 communication devices, mini-PLCs, or relay field modules. It is also ideal in IoT and edge environments – for example, for gateways, protocol converters, edge sensors, low-power Wi-Fi/cellular modules, and microcontroller applications.