The leakage current protective device Eaton-Moeller HNC-40/2/003 ensures the safety of the electrical wiring and prevents electric shock. In case of insulation damage, the power supply is automatically disconnected, contributing to fire prevention. It is recommended to install the Eaton-Moeller HNC-40/2/003 leakage current protective device together with a circuit breaker for comprehensive protection of the electrical wiring. To test the functionality of the Eaton 40A differential relay, there is a Test button provided on the housing. Key parameters: - Operating voltage - 230 V - Operating frequency - 50 Hz - Rated current - 40 A - Leakage current - 0.03 A - Nominal breaking capacity - 4.5 kA The Eaton-Moeller HNC-40/2/003 leakage current protective device is manufactured in Germany.