This document describes the features and characteristics of WATSN automatic transfer switch products, which are divided into CB grade and PC grade. The CB grade switch is equipped with an overcurrent release and selective protection function, providing short circuit and overload protection, and has high breaking capacity and economical full selectivity. The PC grade switch has high endurance and switching capacity, ensuring the safety of the switch itself. The products are suitable for AC/DC 220V, AC380V, AC690V systems, with intelligent monitoring and communication functions. The document also provides performance parameters of different current ranges and types of controllers.
