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ABB 4P 63A 30mA ELCB (FW204) – [Home Safety]

The ABB FW204 63A-30mA is a 4-pole voltage-operated ELCB engineered for high-sensitivity earth leakage detection in residential settings. It manages a rated current of 63A and is designed for installation at the main incomer to provide foundational safety against residual currents.

Quick Answer

You should absolutely buy the ABB FW204 if you require foundational, high-sensitivity earth leakage protection for your main electrical incomer. This 4-pole, 63A device with 30mA tripping ensures rapid, life-saving response, crucial for preventing severe electrical shocks. It’s an indispensable investment for safeguarding families in Indian households.

✓Safeguards residents from direct contact shocks — 30mA sensitivity for high-precision leakage detection.
✓Handles high-demand residential loads — 63A rated current supports multiple heavy appliances.
✓Rapid response during electrical faults — instantaneous tripping clears leakage currents in ≤300ms.
✓Energy Limiting Class 3 rating — optimizes protection by limiting let-through energy during faults.
✓Resilient in extreme environmental conditions — maintains functionality from -25°C to +55°C.
✓Halogen-free and flame-retardant housing — UL94 V 2 flammability rating for enhanced fire safety.

Essential for Indian homeowners prioritizing maximum human safety with 30mA earth leakage detection at the main incoming supply. Avoid if an RCCB's operational principle is specifically required, or if an existing, equivalent protection system is already in place.

Product Overview
The ABB FW204 63A-30mA is a 4-pole voltage-operated ELCB engineered for high-sensitivity earth leakage detection in residential settings. It manages a rated current of 63A and is designed for installation at the main incomer to provide foundational safety against residual currents.

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Engineering Analysis
The 30mA tripping sensitivity is critical for life-saving protection, ensuring the device reacts within ≤40ms when current reaches 5× Idn. Its 10kA breaking capacity, when coordinated with an upstream MCB, allows the 273g unit to withstand significant short-circuit stresses without failure.

Technical Support & FAQs