Changshu Switch Manufacturing Co., Ltd. (formerly Changshu Switch Factory) has launched the CW3 series intelligent universal circuit breaker (hereinafter referred to as the circuit breaker), a new member of the CW family. This circuit breaker is a new generation product that our company's designers combine rich experience in circuit breaker research and development, mature distribution technology, and humanized design. The circuit breaker can be applied to various low-voltage distribution fields, not only achieving line protection, It can also achieve protection for equipment such as motors (circuit breakers meet the motor protection requirements of GB50055) and generators (circuit breakers meet the generator protection requirements of GB755), thus providing users with safer, more reliable, and more comprehensive low-voltage distribution protection solutions.