Classification :
MCB (Miniature Circuit breaker) classified as:
(i) Lighting duty MSB
(ii) Motor duty MCB
MCH has two mechanism for tripping
(i)Thermal release or Bimetal release Its characteristic is inverse in nature.
(ii)Magnetic Release Its characteristics is instantaneous in nature,
Applications : These are used extensively in low voltage domestic, commercial and industrial applications and replace conventional fuses.
