Protective Devices. Circuit-Breakers and Fault Current
Circuit Breakers Perhaps the most common of all protective devices circuit-breakers are found in modern single-phase domestic consumer units and three-phase industrial / commercial distribution boards. The British Standard BS EN 60898 applies to these devices and they usually come in sizes of 2 A up to 125 A. Apart from its nominal rating (In) 10 A, 16 … Read more