ABB is a leading producer of aftermarket low and medium voltage roll-in direct replacement circuit breakers. Roll-in replacement breakers are interchangeable and can be inserted directly into existing switchgear, minimizing downtime in critical applications. ABB offers a comprehensive portfolio of pre-engineered, quick turnaround breakers for most major manufacturers.
All roll-in replacement designs are ANSI / IEEE tested - interface/interlocks, dielectric, momentary, temperature rise and mechanical life in accordance with ANSI C37.59 and C37.09. Nuclear certification is available when required.