MCB, RCCB, SPD manufacturer / supplier in China, offering Standard 1p 2p 3p 6A 18A 30A 45A 50A 63A Miniature Circuit Breakers, 6ka Breaking Capacity 415V AC, DC Circuit Breaker 1p+N/2p/3p/4p, Overcurrent Protection 4.5ka MCB, with CE, CB, CCC Certification, Residual Current Protection Circuit Breaker 1p+N, 3p+N, 16, 25, 32, 40, 63A 6ka Breaking Capacity and so on.