XF9J (Alarm Auxiliary Contact for NB1, NBH8, NB1L, NBH8LE)
1.1 Indication of the position of the device’s contacts only after the automatic release of the MCBs and RCBOs due to an overload or a short-circuit.
1.2 To be mounted on the left side of the MCBs/RCBOs thanks to the special pin.