The DDR-120B-12 is a high-performance 120W converter designed for industrial and commercial applications. With a 12V DC output and 8.3A current capacity, the power converter can provide a stable 99.6W power with a conversion efficiency of up to 88.5%. It has a universal wide input voltage range of 9-18VAC and can automatically adapt to global voltage standards for international compatibility. The device adopts a compact metal case (32×125.2×102mm). The main technical indicators include: load regulation rate 1.0%, linear regulation rate 0.5%, and output voltage accuracy ±1%. In addition, it is equipped with a comprehensive protection system, including overload protection, overvoltage protection, short-circuit protection with automatic recovery function, and over-temperature protection.