This product covers ABS series and ABE series, and is suitable for infrequent switching in circuits with AC 50/60Hz, rated working voltage to AC690V, and rated working current to 800A, and infrequent motor starting. The circuit breaker has overload, short circuit and undervoltage protection functions, and can protect lines and power equipment from damage. The products are widely used in new energy, power, industrial control, real estate, power supply, telecommunications, rail transit, engineering (public) construction and other industries.