The Eaton SR4POST is a 45U 4-post open-frame rack from the Tripp Lite Series SmartRack family, built to hold EIA-310 19-inch equipment in secure IT rooms, telecom closets and lab environments. Its external footprint is 2141 mm high, 513 mm wide and 559 mm deep, and it accepts rack devices from 559 mm up to 914 mm deep. Eaton rates the steel frame for 454 kg of static load.
The open-frame design gives unobstructed airflow and full access to equipment and cabling from every side, ideal for secure rooms where lockable doors are not required. Multiple frames can be bolted together side by side.
The vertical mounting rails use square-hole (cage nut) mounting, with numbered rack spaces for quick installation. Toolless 0U mounting points accept vertical PDUs and cable managers without consuming rack units.
It ships flat for easy assembly with the supplied hardware. Eaton backs the product with a 5-year limited warranty.
Key features
Every configuration is reviewed for compatibility, power and thermals before we confirm your order.
48 hours of CPU, memory and storage stress testing, with a test report shipped in the box.
Rails, labelled cables and your OS pre-installed — unbox, rack and power on.
6U wall-mount cabinet, 355 × 600 × 400 mm, perforated door, 90.7 kg load
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