B-Line Eaton series open racks, Steel, Telco gray powder coat, Four mounting spaces required, Double sided rack mounted shelf. Heavy duty, solid shel

Yes. The shelf is 19.31 in wide, which is the standard 19 in rack panel width, and it mounts to the rack's uprights taking four mounting spaces. Usable depth front to back is 20 in.

Double sided means the shelf is supported off both sides of the rack frame rather than cantilevered from a single front pair of rails, so it is intended for an open frame (two-post) relay rack where equipment can be reached from either side. It is a solid, heavy duty steel shelf 20 in deep, so gear sitting on it is fully supported rather than bridging a gap.

A solid shelf, which is what the Eaton B-Line SB596V19156STG is, gives you a continuous steel surface with no openings, so small feet, adapters and loose items sit flat and nothing drops through. A vented shelf is the choice when the equipment resting on it dumps heat downward and needs airflow through the shelf pan. For patch gear, media converters, batteries and tools in a telecom frame, solid is the usual pick.

Telco gray powder coat over steel, which is the standard gray used across Eaton B-Line open frame telecom racks and ladder rack accessories. If your frames and cable runway are already telco gray, this shelf will read as part of the same set.

The shelf weighs 15.6 lb. That is a one-person lift, but because it is a double sided shelf spanning four mounting spaces, holding it level while you start screws into both sides of the frame is easier with a second set of hands or a temporary support rail underneath.

The SB596V19156STG is a steel rack mounted shelf, a passive mechanical accessory, and no certification applies to it. Certifications on it read as Not Applicable. Any listing requirement in your build will come from the active equipment and the rack grounding, not from the shelf.