ABB's FORMULA molded case circuit breakers are designed for reliable power distribution in various industrial applications. These breakers offer a balance of simplicity, quality, and compact size, making them suitable for a wide range of electrical systems. The A1 frame size covers amperage ratings from 15 to 100, while the A2 frame size ranges from 125 to 250 amperes. Equipped with fixed thermal and magnetic trip units, these breakers provide standard protection with front terminals, ensuring consistent and dependable performance.