Product Details: Minimum Order Quantity 1 Piece Brand L&T Rated Current 40A No. of Poles Four Pole Sensitivity 30mA Frequency 50Hz Certification IS Certified Cat Number BC404003 Country of Origin Made in India Residual Current Circuit Breakers provide protection against earth leakage fault. They ensure safety of human life in case of earth leakage fault and protection against electric shock. Category: Switchgear