The Lauritz Knudsen (Formerly L&T Switchgear Business) 40A FP RCCB 300mA provides reliable earth-leakage protection for three-phase electrical installations. Its Four Pole (FP) configuration ensures complete isolation of all phases and neutral, making it ideal for industrial, commercial, and high-load distribution systems.With a 300mA sensitivity, this RCCB is designed primarily for fire protection and equipment safety, effectively detecting high leakage currents caused by insulation breakdown, cable aging, or moisture ingress. It operates on the advanced CBCT (Core Balance Current Transformer) sensing method, ensuring accurate and stable tripping performance even at nominal voltage.Conforming to IS 12640 (Part 1) and IEC 61008-1, the device guarantees dependable and long-term operational reliability. The 4-module (17.5 mm × 4) compact size suits standard distribution boards and industrial panels, while the advanced neutral mechanism supports stable performance under varying load conditions.Meta Summary: Buy Lauritz Knudsen 40A FP 300mA RCCB online from Maheshwari Distributors – Genuine LK/L&T product with fast India-wide delivery.
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