ABB’s FORMULA molded case circuit breaker line delivers a combination of simplicity and quality in a small footprint. Designed for power distribution, these breakers feature fixed thermal and magnetic trip units and are available with front terminals. The A1 frame size ranges from 15 to 100 amperes, while the A2 frame size covers 125 to 250 amperes. They meet UL 489 and IEC 60947-2 standards, offering reliable protection for various industrial applications.