ABB FW204 40A-300mA

ABB FW204 40A-300mA Specifications, Features & Compatibility Guide

The ABB FW204 40A 300mA is a 4-pole (4P) Residual Current Circuit Breaker (RCCB) specifically engineered for residential main incomer applications. This Italian-made safety device operates at 400V to provide instantaneous earth leakage protection, ensuring immediate disconnection when an imbalance is detected.

Quick Answer

Yes, you should consider the ABB FW204 40A 300mA RCCB if you need a high-performance, instantaneous earth leakage solution for your residential main incomer. This Italian-made 4-pole device offers robust fire protection and a 10kA breaking capacity, making it ideal for safeguarding Indian homes from electrical hazards. It prioritizes safety and long-term operational reliability over minimal upfront costs.

Choose the ABB FW204 40A 300mA RCCB for premium safety in residential main incomer applications requiring robust, instantaneous earth leakage protection and fire safety. Avoid if your requirements exceed standard residential capacity or if your primary concern is capital expenditure over long-term efficiency and uncompromised safety.

✓ Who Should Buy

  • performance suitable for residential spaces.
  • Verified efficiency of standard rating for reduced long-term operational costs.
  • Structural stability for consistent cleaning under rigorous use cases.
  • Hardware durability via premium components and advanced technology.
  • Built-in grid protection with Standard power cycle voltage management.

✕ Who Should Avoid

  • Spaces or usage requirements exceeding residential rated capacity.
  • Installations prioritizing minimum capital expenditure over high-efficiency performance.
  • Unstable grid conditions exceeding the functional threshold of Standard power cycle.
  • Environments incompatible with electrical safety devices physical and thermal dissipation specs.
Product Overview
The ABB FW204 40A 300mA is a 4-pole (4P) Residual Current Circuit Breaker (RCCB) specifically engineered for residential main incomer applications. This Italian-made safety device operates at 400V to provide instantaneous earth leakage protection, ensuring immediate disconnection when an imbalance is detected.

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Engineering Analysis
The 300mA sensitivity level is essential for fire prevention in residential distribution, as it identifies leakage levels that generate enough heat to ignite building materials. With a 10kA breaking capacity, the FW204 safely manages high fault levels at the source of entry, while the 4-module 72mm width ensures standard DIN rail compatibility.

Technical Support & FAQs