SPD, Overvoltage Protector, Dual Power Automatic Transfer Switch manufacturer / supplier in China, offering 1p+N 230V RCBO (Residual Current Breaker with Overcurrent) - Over & Short Circuit Protection + Earth Leakage (30mA/100mA Optional) , 6ka, 6A~63A, DIN Rail, 2p Type AC RCCB 6ka - 16A 25A 32A 63A Residual Current Device, 10mA 30mA 100mA 300mA Earth Leakage Trip, for Home/Industrial Use, 230V 1p+N Residual Current Circuit Breaker with Overcurrent Protection - RCBO, 6ka 16A/32A/40A/63A, 30mA/100mA Leakage Trip, for Home and so on.