B-Line Eaton series open racks, Steel, Yellow zinc, 12-24 panel mounting holes, 45 mounting spaces, Top channel style, Seismic Zone 4, network bay cl

Yes. The SB5764084YZ is a 19 inch wide open frame rack, which is the standard EIA equipment width, and it gives you 45 mounting spaces of usable rail height. Panel mounting holes are tapped 12-24, so standard 12-24 rack screws thread directly into the rails with no cage nuts needed.

The SB5764084YZ is built as a Seismic Zone 4 network bay closed duct rack, so it is the version specified where seismic anchorage is required. It is also UL Listed. Seismic performance depends on the rack being anchored to the slab per the engineer's detail, so follow the anchorage spec on your drawings.

No. The rails are tapped with 12-24 panel mounting holes, so equipment mounts with 12-24 machine screws straight into the rail. Square hole (cage nut) equipment hardware and M6 screws will not thread into it, so order 12-24 rack screws to match.

The frame weighs 114 lb by itself. That is a two-person set at minimum, and once you load 45 spaces of switches, UPS and patch panels the floor load goes up substantially, so check the slab and the anchorage detail before you start loading gear.

Open frame. The SB5764084YZ is a two-post style open rack bay, not a locking enclosure, so there are no doors, side panels or fan-equipped roof. If you need physical security or airflow containment in a shared space, specify an enclosed cabinet instead. Open frame is chosen in secured telecom rooms for access on all sides and easier cable dressing.

The top channel gives you a structural member across the head of the frame, which is where overhead cable runway and ladder rack tie in. Combined with the closed duct network bay design, cable is routed vertically in the bay rather than hanging off the rails, so it suits a telecom room where several bays are ganged and fed from above.

Yellow zinc is a plated finish over steel, intended for dry indoor use such as a telecom or equipment room. It is not a cosmetic paint finish, so if the rack sits in a visible or client-facing space, a black powder coated bay is the usual choice instead. For a back-of-house MDF or IDF closet, the yellow zinc plating is what gets specified.

It is fabricated from steel meeting ASTM A1011SS, a hot-rolled structural sheet steel spec, and then yellow zinc plated. That is the material call-out you would put on a submittal if the spec asks for the rack's base material.