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ABB 2P 40A 100mA RCCB (FW202) – Residential

The ABB FW202 40A-100mA is a 2-pole Residual Current Circuit Breaker (RCCB) specifically engineered for residential main incomer applications. Rated at 230V with a 40A current capacity, this Type AC device provides dedicated earth leakage protection to prevent fire hazards in domestic wiring systems.

Quick Answer

Yes, you should buy the ABB FW202 if your primary concern is robust fire protection for your residential main incomer in India. Its 100mA sensitivity specifically targets fire hazards, minimizing nuisance trips often associated with lower sensitivity units in Indian homes. With a 40A capacity and 10kA breaking capacity, this ABB RCCB provides reliable and comprehensive earth leakage safeguarding for your entire household circuit.

✓Prevents fire hazards in domestic wiring — 100mA residual current sensitivity initiates instantaneous tripping.
✓10kA conditional short circuit rating — provides high-level durability when paired with a coordinated backup MCB.
✓Durable mechanical life for long-term safety — tested for 10,000 cycles to provide years of reliable switching.
✓Type AC tripping characteristic — specifically designed to detect sinusoidal alternating earth leakage currents.
✓Safe installation with flame-retardant casing — UL94 V-2 flammability rating and 850°C glow wire test compliance.
✓2P configuration with solid neutral — fits a 35mm DIN rail and provides a dedicated path for 230V residential circuits.

The ABB FW202 is ideal for Indian residential main incomers prioritizing fire protection and avoiding nuisance trips with its 100mA sensitivity. Choose it for robust, whole-house earth leakage safety. However, if direct human shock protection (30mA) is needed for specific wet zones, this model is not the primary solution.

Product Overview
The ABB FW202 40A-100mA is a 2-pole Residual Current Circuit Breaker (RCCB) specifically engineered for residential main incomer applications. Rated at 230V with a 40A current capacity, this Type AC device provides dedicated earth leakage protection to prevent fire hazards in domestic wiring systems.

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Engineering Analysis
The 100mA sensitivity is optimized for fire protection where 30mA units might cause nuisance tripping, while the 10kA breaking capacity provides robust short-circuit resilience at the incomer. A 2P configuration with a solid neutral ensures comprehensive isolation of the single-phase circuit during leakage events to maintain household safety.

Technical Support & FAQs