Mccb Circuit Breaker. Tmax xt mccbs are designed to maximize ease of use integration and connectivity and are built to deliver safety reliability and quality. Simply put these are electrical protection gadgets that can be used with a wide range of voltages.
The amp rating given on the fuse or mcb body is the amount of current it will pass continuously. Mcb basically means miniature circuit breaker as it is used for up to 100amps in the motor feeders. This is normally called the rated current or nominal current.
It is an advanced version of mcb miniature circuit breaker.
Many people think that if the current exceeds the nominal current the device will trip instantly. The most common type of mccb is the thermal magnetic general purpose circuit breaker. Mccb is an automatic electrical device used to protect the electrical equipment from overload short circuit instantaneous over current and earth fault. Many people think that if the current exceeds the nominal current the device will trip instantly.
