The Siemens 3UA5900-2M Overload Relay is a reliable and high-quality electrical equipment suitable for interior use. With its DIN Rail Mounting style and thermal overload protection properties, this relay is designed for efficient operation in a 3-phase AC system. Made by the reputable brand Siemens in Germany, this model offers universal smart home compatibility with KNX protocol and suitable contact materials like ABS/plastic and plastic. With a coil voltage range of 551-600 V, the Siemens 3UA5900-2M Overload Relay provides reliable overload protection for a wide range of industrial and commercial applications.