B-Line SB5774138TG Eaton series open frame racks, Steel, Telco gray powder coat finish, 12-24 panel mounting holes, 58 mounting spaces, Top channel style, Seismic Zone 4, network bay closed duct rack, Grade 33, ASTM A570

Yes. The SB5774138TG is built as a Seismic Zone 4 network bay closed duct rack, so it is intended for the highest seismic design zone. It is a UL Listed assembly, fabricated from ASTM A570 grade 33 steel. Anchorage still has to follow the structural engineer's detail for the floor and any overhead bracing on your job.

58 mounting spaces on a 19 inch wide frame, which is standard EIA rack width for network and telecom gear. That is a tall bay, so plan your equipment layout and cable management around a full-height frame rather than a short two-post.

The rails are punched with 12-24 panel mounting holes, so you need 12-24 rack screws and matching cage-free hardware. Equipment shipped with 10-32 or M6 screws will not thread into these rails, so order 12-24 hardware for the whole bay.

It is an open frame rack, not a cabinet. There are no side panels, doors, or locks, so gear is accessible from all sides and airflow is unrestricted. If you need physical security or dust control in a shared space, an enclosed cabinet is the better choice; open frame suits a controlled telecom or MDF room where cable access matters more.

The closed duct design routes and conceals cable inside the frame's vertical channels rather than leaving it strapped to the outside of the uprights, and the top channel style gives a structural cap at the head of the bay for tying into overhead cable runway or ganging bays together in a row. That is why this style gets specified for network bays carrying heavy copper counts.

The frame weighs 136 lb on its own and is 138 inches long shipped flat, so it is a two-person set at minimum and awkward to walk through doorways or up stairs. Plan on staging it flat in the room and standing it up once the floor anchors are laid out.

Telco gray powder coat over steel, which is the standard color used across telecom and central office equipment bays, so it lines up with existing gray B-Line bays in the same room. Powder coat over steel also holds up better to handling than a painted finish during installation.

Order it by manufacturer part number SB5774138TG, from the Eaton B-Line series open frame rack line. That number covers the 19 inch wide, 138 inch tall, 58 space Telco gray unit with 12-24 rails.