We manufacture and export Residual Circuit Breaker Nylon Body to our customers from Wenzhou, Zhejiang, China. NFIN series Residual current circuit breaker (without over-current protection) is suitable for the line of AC 50/60Hz,voltage 240V(2pole)/415V(4pole),rated current up to 63A.When there is human electricity shock or if the leakage current of the line exceeds the prescribed value, RCCB will cut off the power rapidly to protect human safety and prevent the accident due to the current leakage. It can be used as infrequent changeover of the line in normal situation. RCCB is applicable to industrial area, commercial area, tall building and civil house. It complies with standard IEC/EN61008.1 and GB16916.1