The latest designed CYD series circuit breaker, neoteric in structure. light in weight. reliable and excellent in performance, are mainly applied to the AC 50HZ/60HZ circuit with rated voltage 230v/240v or less. rated current up to 63A and provide circuits of modern building with overload and short-circuit protections, and it can also be used of operating and isolating the circuit infrequentl. The products comply with IEC6089&BS3871,CB certificate.