APTECH 1756-N2 B Card Slot Filler Assembly

The APTECH 1756-N2 B Card Slot Filler Assembly is the Series B revision of the 1756-N2 empty-slot filler for APTECH ControlLogix backplanes, designed to occupy an unused slot in a standard 1756 chassis. Identified by the part number 1756-N2B, this filler is described in Rockwell Automation documentation as the slot filler module for empty slots in standard ControlLogix chassis, confirming its role in the 1756-N2 family of backplane fillers. Distributor catalogs and official listings commonly note alternate part naming such as 1756-N2/B, underscoring that the Series B revision is the current variant used for unpopulated positions. Use it to cover an unpopulated backplane position in a ControlLogix chassis, ensuring the slot is accounted for within the standard backplane configuration of your 1756 system.