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Legrand 2P 40A 30mA RCCB (DX3 Type F) – Residential

The Legrand DX3 RCCB DP 40A 30mA Type F is a 2-pole current-operated safety device designed for final circuit protection in residential settings. Operating at a 240V rated voltage, this 40A unit monitors earth leakage and provides instantaneous tripping to prevent fire and shock hazards.

Quick Answer

Yes, the Legrand DX3 2P 40A 30mA Type F RCCB is a smart buy for Indian residential safety. It offers critical 30mA instantaneous earth leakage protection, preventing severe electric shocks and fire hazards. With 2-pole switched neutral and a 10kA withstand, it ensures reliable, robust protection for your home's electrical circuits.

✓Eliminates electrical fire risks — 30mA sensitivity triggers an instantaneous shutdown upon detecting leakage.
✓Rated Current of 40A handles full residential sub-circuits at 240V reliably.
✓Advanced protection for modern appliances — Type F sensing detects complex waveforms from inverters and variable speed drives.
✓Mechanical Endurance of 10,000 cycles ensures long-term reliability in humid operating temperatures up to +55°C.
✓Compact 36mm unit width fits standard 2-module slots in DIN rail distribution boards.
✓Secure terminal connections support 1.5-25 mm² rigid wires for high-conductivity installations.

Indian homeowners prioritizing safety require the Legrand DX3 2P 40A 30mA Type F RCCB. It ensures instantaneous earth leakage protection, preventing shocks and fire hazards for residential electrical systems across India.

Product Overview
The Legrand DX3 RCCB DP 40A 30mA Type F is a 2-pole current-operated safety device designed for final circuit protection in residential settings. Operating at a 240V rated voltage, this 40A unit monitors earth leakage and provides instantaneous tripping to prevent fire and shock hazards.

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Engineering Analysis
The 30mA sensitivity is the globally recognized threshold for personnel protection, as it trips in ≤40 ms at 5× Idn to prevent cardiac arrest. Its 2P configuration provides switched neutral protection, while the 10 kA short circuit withstand ensures the device maintains integrity during high-energy faults at the main incomer.

Technical Support & FAQs