The 10 PCS Square D QO120PCAFI Arc Fault Circuit Breakers are reliable and high-quality electrical components designed for industrial and commercial use. With a maximum amperage of 20A and a current rating of 16-30A, these circuit breakers provide efficient protection for your electrical system. The pack includes 10 black-colored breakers, each with a single pole configuration. The QO brand ensures durability and performance, making these circuit breakers a valuable addition to any electrical setup.