B-Line Eaton series open racks, Self squaring with tapped assembly holes, Double sided, Steel, Brushed aluminum, Telco style, Self-supporting aluminu

The SB556090AL is a self-supporting relay rack, so it stands free on the floor without a wall or ladder-rack attachment to hold it up. It is a 90 inch tall open frame at 19 inches wide, and standard practice on a floor-standing telco rack is to anchor the base to the slab and, where overhead cable runway is present, tie the top off to it for seismic and load stability.

Yes, the SB556090AL carries a UL Listing. That is the line most facility and institutional specs ask for on floor-standing equipment racks in a telecom or MDF room.

The assembly holes on this Eaton B-Line open rack are tapped, so it is a self-squaring frame that bolts together without cage nuts for assembly. Budget your fastener order around threaded holes rather than square-hole cage nut hardware.

It is built from 11 gauge steel to ASTM A570, with a brushed aluminum finish. That is a heavy structural gauge for an open frame rack, which is what lets it carry loaded equipment as a free-standing unit rather than relying on a wall.

Telco style open racks like the SB556090AL are for equipment rooms where you want access from both sides and free air movement around the gear, which is why this one is configured double sided. An enclosed cabinet is the choice when you need lockable security, dust control or ducted airflow. In a controlled MDF or telecom closet, an open relay rack is faster to cable and easier to service.

The rack weighs 35 lb empty. At 90 inches tall that is manageable for two people to walk in and stand up, but the height rather than the weight is what makes it a two-person set.

Order it as Eaton B-Line model SB556090AL. That is the single model for this 90 inch, 19 inch wide brushed aluminum finish self-supporting relay rack.