ABB 5SHX2645L0004

是一种基于数字化技术的电力系统控制和保护设备，采用高度集成化的设计，可以实现多种功能，包括过载保护、短路保护、接地保护等。它具有高可靠性、高度灵活性和易于维护的特点。

It is a digital technology based power system control and protection device that adopts a highly integrated design and can achieve various functions, including overload protection, short circuit protection, grounding protection, etc. It has the characteristics of high reliability, high flexibility, and easy maintenance.