This industrial switch designed by our company for reliable and stable operation in harsh in dustrial environments. It provides 3 sets of redundant power input ports (support voltage range: 9-52VDC) and can be connected to three DC power sources at the same time (All support reverse connection), the working temperature is -40-75 degrees Celsius, the metal shell protection grade is IP30, it is strong and durable in the difficult industrial environment, and it supports DIN rail installation, safe and reliable.It is widely used in many fields such as industrial intelligence, urban intelligent transportation and the Internet of Things.