Chint Circuit Breakers RCCB 627134 - Chint 203017, The Chint 203017 RCCB is a residual-current circuit breaker rated at 10 A, providing essential electrical protection. Manufactured by Chint, it is designed for single-pin connections and enhances user safety by preventing electrical shocks. This device is typically used in residential or commercial building electrical systems. Chint 203017 RCCB 1-Pin 10A AC Type B C Trip In 30mA 300mA