This Zinsco Sylvania Challenger GTE Q230 circuit breaker is a reliable and efficient choice for any business or industrial electrical setup. With a capacity of 30 AMP and a type of QQ circuit breaker, it is designed to provide maximum protection against short circuits and overloads. The brand name Zinsco is known for its high-quality electrical equipment and supplies, and this circuit breaker is no exception. It is ideal for use in a variety of settings, including circuit breakers, circuit breakers and disconnectors, and electrical equipment and supplies. Whether you're looking to upgrade your current setup or seeking a replacement part, this Zinsco Sylvania Challenger GTE Q230 circuit breaker is a great choice.