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Residual current circuit breaker 4P 40 A 30 mA Type AC Legrand RX3 402063
Summary description:
Legrand RX3 402063 is a 4-pole residual current circuit breaker (RCCB) rated 40 A with a 30 mA sensitivity, type AC. It detects AC sinusoidal leakage currents and disconnects the supply to protect against electric shock and fire risk. Suitable for residential and light commercial installations, it mounts in DIN‑rail distribution boards for circuit protection.