This machine is the first fully automatic magnetic system welding special machine launched by ACA in 2014 in China, filling the technical gap of intelligent welding for small circuit breaker magnetic components in the domestic market. Its core positioning is to solve the industry pain points of low efficiency, poor consistency, and uncontrollable thermal damage in traditional manual welding. Through high-precision mechanical and electrical coordination and temperature closed-loop management, it achieves micro-meter precision welding of key components such as coils, yokes, and terminal boards, ensuring the reliability and lifespan of the overload protection function of circuit breakers. The equipment is suitable for the production of magnetic components for circuit breakers of different specifications ranging from 10 to 63A, with short model changeover time. The welding heads and contact parts are made of tungsten-copper alloy or ceramic coating to reduce metal spatter adhesion and extend the equipment's lifespan. This equipment from ACA not only broke the pattern of relying on imported equipment for magnetic component welding as the first domestic set, but also provided a highly reliable intelligent manufacturing foundation for the low-voltage electrical industry through micro-meter precision control and zero-defect production management. Its technical framework has become the benchmark design for domestic small circuit breaker automated production lines and continues to empower the quality upgrade of power equipment.