What the line carries
AB 1SVR040013R2701 weighs 0.17 kgs per the listing, the handling figure for a CC-U/RTDR slot in a DIN-rail row.
Where the class fits on the panel
Catalog placement under PLC Expansion Modules places this CC-U/RTDR order code with relay-coupler and signal-conditioning slices for a host PLC, not a CPU or power-supply slot.