The General Switch GB220 is a reliable 2-pole circuit breaker with a maximum amperage of 20A, designed for use with 120/240VAC systems. Featuring a Type A tripping characteristic and an on/off operation method, this main breaker from the trusted brand General Switch is ideal for businesses and industrial settings. Made in the United States, this black switch has a current rating of 16-30A and comes in a pack of 1, providing a safe and efficient solution for electrical equipment and supplies.