ABB India launches circuit breakers for electrical retail market Bengaluru | Updated on × ABB India has launched Formula DIN-Rail-- a complete range of Miniature Circuit Breakers (MCBs), Residual Current Circuit Breakers (RCCBs) and Isolators for the electrical retail market which is estimated to be worth $250 million. The ABB Formula DIN-Rail portfolio with its design, provides optimum protection to electrical circuits from possible damages caused by overload, short circuits, and earth leakages in buildings, the company said in a regulatory filing to exchanges. The range of products are manufactured in ABB’s factory located in Bengaluru, with a production capacity of 12 million pole of MCBs per year.