18MM 1P+N AC 230V Type A 6A-40A B C Curve RCBO MCB Residual Current Circuit Breaker Over Short Current 30mA Leakage Protection

18MM 1P+N AC 230V Type A 6A-40A B C Curve RCBO MCB Residual Current Circuit Breaker Over Short Current 30mA Leakage Protection

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