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Legrand 4P 32A 30mA RCBO (DX3) – residential

This Legrand DX3 RCBO (Model: DX3 RCBO AC Type FP 32A 30mA) is a four-pole (4P) residential safety device rated for 32A current and 30mA sensitivity. Installed at the final circuit, it functions as a primary protection unit against earth leakage, overload, and short circuits for 415V systems.

Quick Answer

Yes, if you need uncompromising 415V circuit safety. The Legrand DX3 RCBO AC Type FP 32A 30mA is essential for Indian households using heavy three-phase appliances where accidental contact risks are high. Its switched neutral and 30mA sensitivity ensure total isolation and rapid tripping to prevent fatal shocks.

✓Instantly cuts power to prevent accidental electrocution — 30mA residual current sensitivity.
✓6kA breaking capacity ensures the device remains functional even after high-intensity short circuit events.
✓Protects sensitive electronics from thermal damage — Type C tripping curve for standard residential loads.
✓360g compact design occupies only 4 modules (72mm) on a standard 35mm DIN rail.
✓Reduces energy waste during operation — low power loss of only 1.5W per pole.
✓IS 12640 and IEC 61009-1 certified for verified safety compliance in Indian households.

Opt for this 32A RCBO to consolidate safety if space is limited in your distribution board; it’s a non-negotiable upgrade for homes with kids or damp-prone kitchens. Skip it only if your load exceeds 32A or for purely industrial DC-leakage setups.

Product Overview
This Legrand DX3 RCBO (Model: DX3 RCBO AC Type FP 32A 30mA) is a four-pole (4P) residential safety device rated for 32A current and 30mA sensitivity. Installed at the final circuit, it functions as a primary protection unit against earth leakage, overload, and short circuits for 415V systems.

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Engineering Analysis
The 30mA sensitivity is essential for human life protection, tripping in ≤40ms at 5x Idn to prevent cardiac arrest from accidental contact. Its 6kA breaking capacity handles high fault currents at the distribution point, while the switched neutral ensures total isolation of the circuit during any instantaneous trip event.

Technical Support & FAQs