Four Pole 100Amps 300Mega Amps RCCBMC CHRC series residual current operated circuit breaker (herein after referred to as RCCB) is compact, light weighted, and with an attractive outer design. This product can be easily used as a module in conjunction with other electrical products. Its function is not influenced by voltage fluctuation (i. e., independent of voltage level), and suffers very little effect from an electro magnetic field. This product is capable of functioning normally