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Legrand 4P 63A 100mA RCBO (DX3) – Home Use

The Legrand DX3 RCBO AC Type FP 63A 100mA is a four-pole safety device designed for residential final circuits. It integrates earth leakage, overload, and 10kA short-circuit protection into a 360g unit measuring 85x72x70mm. This device manages a rated voltage of 415V and operates at 50Hz to safeguard households from electrical faults.

Quick Answer

You should buy the Legrand DX3 4P 63A 100mA RCBO if comprehensive electrical safety and fire protection are paramount for your Indian residence. This four-pole device expertly integrates earth leakage, overload, and 10kA short-circuit protection, crucial for modern high-load households. Its 100mA sensitivity is specifically engineered to detect fire-risk leakages, offering superior peace of mind.

✓Shields your property from fire-causing leakages — 100mA sensitivity trips power in ≤300ms.
✓High-strength 10kA breaking capacity ensures the unit survives intense short-circuit events.
✓Protects household appliances from overloads — C-curve tripping characteristic manages 63A loads.
✓Switched neutral in the 4P design ensures complete electrical isolation during maintenance.
✓Durable build for long-term reliability — rated for 10,000 mechanical and 4,000 electrical cycles.
✓Compact 72mm DIN rail design simplifies installation in residential distribution boards.

The Legrand DX3 4P 63A 100mA RCBO is ideal for Indian homeowners seeking advanced residential circuit protection against fire, overload, and short-circuits. Avoid if your application requires industrial-grade protection or a different earth leakage sensitivity for specialized non-residential settings.

Product Overview
The Legrand DX3 RCBO AC Type FP 63A 100mA is a four-pole safety device designed for residential final circuits. It integrates earth leakage, overload, and 10kA short-circuit protection into a 360g unit measuring 85x72x70mm. This device manages a rated voltage of 415V and operates at 50Hz to safeguard households from electrical faults.

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Engineering Analysis
A 100mA sensitivity is specifically chosen for fire protection in residential settings as it detects leakage levels that can ignite surrounding materials. The 10kA breaking capacity ensures the device can safely interrupt high-magnitude short circuits at the main incomer without structural failure. Utilizing a 4P configuration allows for switched neutral protection, essential for isolating 415V systems during fault conditions.

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