The F204 AC-100/0.3 IEC Residual Current Circuit Breaker is a 4-pole device designed to protect against electrical faults, specifically detecting residual currents and quickly disconnecting power to prevent electric shocks and fires. With a sensitivity of 300 mA and Type AC configuration, it ensures reliable operation in various environments, including residential, commercial, and industrial settings. This circuit breaker is essential for enhancing electrical safety by effectively detecting leakage currents and swiftly interrupting circuits.