L&T 415 V MCCB is a type of electrical protection device that is used to protect the electrical circuit from excessive current, which can cause overload or short circuits. L&T 415 V MCCB is commonly used when load currents exceed the capabilities of miniature circuit breakers. These are designed to handle high currents that are widely used in heavy-duty applications such as adjustable trip settings for applications with low currents, welding machines, electric feeders, and protecting generators.