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Legrand 4P 25A 100mA RCCB (DX3) – Residential

The Legrand DX3 RCCB FP 25A 100mA is a four-pole residual current circuit breaker designed specifically for residential main incomer applications. It provides dedicated earth leakage protection by monitoring current balance across all four poles to detect faults as low as 100mA.

Quick Answer

Absolutely, the Legrand 4P 25A 100mA RCCB (DX3) is a critical buy if you need robust earth leakage and fire protection for your residential main incomer in India. Its 100mA sensitivity is perfect for avoiding nuisance tripping common with lower sensitivities, while still ensuring vital safety against electrical fires. Choose this DX3 model for reliable, high-capacity electrical safeguarding.

✓Protects your property from electrical fires by sensing leaks above 100mA sensitivity.
✓Rapid fault interruption with instantaneous tripping occurring in less than 300ms at 1x Idn.
✓Operates reliably in diverse Indian climates thanks to a temperature range of -5°C to +55°C.
✓High durability for long-term safety with 10,000 mechanical and 4,000 electrical endurance cycles.
✓Provides a clear visual status of your electrical health through the integrated trip indicator.
✓Robust construction confirmed by an 850°C glow wire test and UL94 V 0 flammability rating.

The Legrand DX3 4P 25A 100mA RCCB is ideal for Indian homeowners needing robust main incomer fire protection against earth leakages. Avoid if you require granular 30mA appliance-level safety; this 100mA model excels as a whole-home guard, balancing critical protection with nuisance trip prevention.

Product Overview
The Legrand DX3 RCCB FP 25A 100mA is a four-pole residual current circuit breaker designed specifically for residential main incomer applications. It provides dedicated earth leakage protection by monitoring current balance across all four poles to detect faults as low as 100mA.

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Engineering Analysis
A 100mA sensitivity is the standard for fire protection in residential units where a 30mA device might cause nuisance tripping. The 10kA breaking capacity ensures the device remains intact during high-magnitude short circuits, while the 4P configuration allows for complete isolation including the switched neutral.

Technical Support & FAQs