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Legrand 4P 32A 100mA RCBO (DX3) – [Residential]

The Legrand DX3 RCBO is a 4P 32A 100mA protective device engineered specifically for residential 415V electrical systems.This current-operated safety unit is installed at the final circuit level to provide integrated earth leakage, overload, and short circuit protection.

Quick Answer

Yes, you should buy the Legrand DX3 4P 32A 100mA RCBO if you seek advanced, nuisance-free fire protection for your Indian residential 415V electrical system. Its integrated earth leakage, overload, and short circuit safety ensures comprehensive circuit defense. This device is ideal for main incomers, providing robust 10kA breaking capacity without frequent unnecessary tripping.

✓Safeguards against electrical fires — 100mA residual current sensitivity detects leakage before it ignites.
✓10kA breaking capacity allows the device to handle severe short circuits safely.
✓Protects sensitive electronics from surges — 4kV impulse withstand voltage maintains circuit integrity.
✓10,000 mechanical cycles ensure long-term durability in standard residential distribution boards.
✓Space-efficient 72mm width fits exactly 4 modules on a standard 35mm DIN rail.
✓Switched neutral provides complete isolation during faults for enhanced user safety.

Buy this Legrand DX3 RCBO for robust 4P 32A fire protection in Indian residential 415V systems, preventing nuisance trips with 100mA. It offers integrated safety. Avoid if 30mA direct human shock protection is essential or for industrial setups. A reliable, stable home safeguard.

Product Overview
The Legrand DX3 RCBO is a 4P 32A 100mA protective device engineered specifically for residential 415V electrical systems. This current-operated safety unit is installed at the final circuit level to provide integrated earth leakage, overload, and short circuit protection. By utilizing instantaneous C-curve tripping, it ensures immediate disconnection during faults to prevent catastrophic electrical fires.

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Engineering Analysis
The 100mA sensitivity level is specifically calibrated for fire protection in residential layouts where a 30mA device might cause frequent nuisance tripping. A 10kA breaking capacity allows this unit to safely interrupt high-energy short circuits at the main incomer without structural failure. The 4P configuration featuring a switched neutral ensures that the entire 50 Hz circuit is fully isolated during a trip event for maximum maintenance safety.

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