The Schneider A9R71440 RCCB is a high-performance 4-Pole (3P+N) Residual Current Circuit Breaker designed for comprehensive electrical safety in three-phase systems. With a 40A current rating and a precise 30mA sensitivity, it provides critical protection against electric shocks and prevents fire hazards caused by earth leakage. Operating at 220V, this robust circuit breaker ensures reliable circuit disconnection during fault conditions, making it an essential safety component for residential, commercial, and industrial installations. This item can be bought at Electx Electrical Supply, the best electrical supplier in the Philippines and the go-to destination where people get their high-quality electrical supplies.