Upon tripping, the device provides immediate visual confirmation of the fault type via a dedicated indicator window on the front face:
Uses tunnel terminals for cables up to 6 mm² . It is critical not to run photocell cables (max 100m) in the same conduit as 230V power conductors to avoid interference. Merlin Gerin Multi 9 Ic 2000 P Manual
Use the programming menu to define "OFF" periods (e.g., turning off at midnight even if it is still dark) to save energy. Merlin Gerin Multi 9 Ic 2000 P Manual