In the design or renovation of communication power supply and power distribution systems, we often encounter issues with cable selection and configuration. Recently, a seemingly simple but representative question has been repeatedly mentioned: "Can using two cables with a cross-sectional area of 120

In modern society, electronic devices and power systems are indispensable in our daily lives and work. However, these devices and systems often face an invisible threat: surges. This article will explain what a surge is, why surge protection is necessary, and the types and principles of surge protec

In today's rapidly evolving field of industrial automation, I/O expansion modules play a crucial role by providing powerful input and output capabilities to industrial control systems, thus driving process intelligence and automation. This article explores the key roles and advantages of I/O expansi