NPSI03 | ABB I/O Power Supply Module

1 Hook2 Female I/O bus connector3 Screw holes for panel mounting (Ø 4.5 mm), not used4 Protection lid5 Screw terminals for input/output connections6 Locking tab for DIN rail mounting7 Screw terminals for power connections (0 V DC and +24 V DC)8 Fuse holders9 Groove where the I/O unit guide rail fits10 Male I/O bus connector11 Slot for connection of an adjacent Terminal base unit12 Code key – set to the position required for the installed I/O unit13 Snap lock