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The Legrand DX3 RCCB FP 40A 30mA is a four-pole (4P) residual current circuit breaker designed for 230V residential applications. Installed as a main incomer, it provides dedicated earth leakage protection by monitoring the balance between phase and neutral currents. This 350g device is essential for modern distribution boards to prevent shock hazards.
Quick Answer
Yes, the Legrand DX3 RCCB FP 40A 30mA is a mandatory investment for modern Indian apartments requiring reliable earth leakage protection. Its 30mA sensitivity ensures human safety by tripping instantly during minor imbalances, while the 40A rating handles standard household loads efficiently.
Invest in the Legrand DX3 40A RCCB if you prioritize long-term residential safety and IS-certified compliance. Avoid this specific 30mA unit for heavy industrial machinery or installations exceeding its 40A rated residential capacity.