ABB's FORMULA UL molded case circuit breakers were developed to provide the ultimate in simplicity and quality, with a depth of just 2.36” and a smaller footprint FORMULA UL is one of the most compact molded case circuit breakers on the market up to 250A. Some of the prominent applications for which FORMULA breakers are designed include HVAC, lighting, telecom, critical power, panelboards, and commercial OEM applications.