B-Line Eaton series open racks, Aluminum, #12-24 mounting hardware, Two mount spaces required, 200 lb load capacity, Center mount rack mounted shelf,

Yes. The SB5961919ATG is a center mount rack shelf built for 19 inch racks, with #12-24 mounting hardware and a 17.5 inch width between the rack rails. Depth is 19 inches, so plan for that much clear space behind the rails.

Two mount spaces. The shelf is 2 inches high, so it consumes roughly 1U plus the adjacent hole set in the rail. Make sure you have two free mounting spaces at the height you want before you order.

Rated for 200 lb. That covers switches, patch panels' breakout gear, UPS accessories, and most non-server equipment. The shelf itself is only 4.7 lb, being aluminum rather than steel, so it adds almost nothing to the rack's own load.

A center mount shelf attaches at the middle of its depth, so the load sits balanced on both sides of the rack rails instead of cantilevered out front. That is what you want on a two-post open frame rack, where there is no rear rail to carry weight. If you are working in a four-post enclosed cabinet, a front-and-rear mounted shelf is the better choice. The SB5961919ATG is the center mount version, 19 inches deep.

Finish is telco gray powder coat, the same finish used across the Eaton B-Line open frame rack line, so it blends with existing gray B-Line racks and rack accessories. Aluminum construction also means no rust in a damp basement or mechanical room.

The shelf uses #12-24 mounting hardware, which is the thread B-Line open frame racks are tapped for. Confirm your rack rails are #12-24 and not 10-32 or square-hole cage nut, since those need different screws.

Certifications are marked Not Applicable for this shelf. It is a passive aluminum mounting accessory, not an electrical device, so there is no listing to reference on a submittal.