B-Line Eaton series open racks, Steel, Telco gray powder coat, 12-24 panel mounting holes, 58 mounting spaces, Top channel style, Seismic Zone 4, net

Yes. The SB5773138TG is a Seismic Zone 4 network bay closed duct rack, so it is built for the highest seismic zone classification. It is also UL Listed. Seismic performance still depends on anchoring it to the floor structure and, on a top channel rack like this one, tying the top channel back to the building per the anchoring detail on your drawings.

Yes, it is a 19 inch wide rack with 58 mounting spaces of usable rail height, so standard 19 inch EIA panels and network gear mount to it. Confirm your gear uses 12-24 hardware, because the rails are punched for 12-24 panel mounting holes rather than tapped 10-32 or square cage-nut holes.

Closed duct means the vertical cable channels on the frame are enclosed rather than open rail, so jumpers and station cable run inside the rack uprights instead of being lashed to the outside. That covers vertical routing within the bay. Horizontal cross-connect management between bays, plus the overhead cable rack feeding the bay, are separate items and are not part of the rack itself.

It is an open frame rack, not a cabinet. There are no doors, side panels, fans, or locking enclosure. If your equipment needs physical security or filtered airflow, an enclosed cabinet is the right choice; an open frame like this one is used where access from both sides and heavy cable volume matter more.

It weighs 136 lb bare, before any equipment. At 138 inches tall that length makes it awkward rather than simply heavy, so plan on two people minimum to walk it in and stand it up, and anchor it to the floor before loading anything.

The rails are punched with 12-24 panel mounting holes, so panel screws are 12-24 thread. If your patch panels, shelves, and rack-mount gear shipped with 10-32 screws (common on some data center racks), those will not thread here and you will need 12-24 rack screws instead.

Steel construction with a Telco gray powder coat, which is the standard central office gray used across B-Line network bay framing. If your existing lineup is telco gray, new bays will line up visually without repainting.