Introducing the STB3-125J Series RS485 AC or DC Miniature circuit breaker! We are proud to be a factory manufacturing this high-quality product. Designed with cutting-edge technology, this circuit breaker ensures reliable protection for your electrical systems against overload and short circuits. The RS485 communication interface offers convenient remote control and monitoring capabilities. Compact in size, this breaker is suitable for both AC and DC applications. Trust our factory's expertise in producing top-notch circuit breakers. Invest in the STB3-125J Series and safeguard your electrical installations effectively!