Overview
The Chatsworth QuadraRack 4-Post Frame (Model 50120-703) is a heavy-duty open-frame rack designed for supporting large modular network switches, routers, and data processing equipment in communications rooms. This 45U, 7 ft. frame combines the stability and strength of an enclosure with the easy access and airflow of an open mounting system, making it ideal for high-density server, networking, and telecommunications deployments.
Built with aluminum extrusion and aluminum sheet construction, the QuadraRack features a black epoxy-polyester hybrid powder coat finish for durability in environmentally controlled indoor spaces. The four-post design with 29 in. front-to-rear channel spacing accommodates standard 19 in. wide EIA-310-D compliant rack-mount equipment and shelving.
Features
- Threaded #12-24 equipment mounting holes speed installation of rack-mount equipment and shelving without cage nuts
- Universal 5/8″-5/8″-1/2″ alternating vertical mounting hole spacing per EIA-310-D standard
- Equipment mounting locations are marked and numbered on each mounting channel for fast, accurate installation
- 2,000 lb equipment load capacity supports dense server and networking configurations
- Quick assembly with one-piece top and bottom pan sets and bolted construction
- Easy to bay together for multi-frame configurations in large data center and communications room deployments
- Compatible with CPI cabling sections, fixed shelves, and sliding shelves for comprehensive cable and equipment management
- OSHPD Preapproval of Manufacturer’s Certification (OPM-0260) for seismic compliance in healthcare facilities
- Ships unassembled for efficient shipping and flexible on-site installation
Specifications
| Manufacturer | Chatsworth Products (CPI) |
|---|---|
| Model Number | 50120-703 |
| Product Type | 4-Post Network Frame |
| Rack Units | 45U |
| Overall Height | 84.0 in. (7 ft. / 2.1 m) |
| Usable Height | 79.0 in. |
| Width | 19 in. |
| Depth | 29 in. (740 mm) |
| Equipment Mounting Channels | 3 in. deep C-shaped, fixed 29 in. apart front-to-rear |
| Mounting Holes | Threaded #12-24, Universal 5/8″-5/8″-1/2″ spacing |
| Load Capacity | 2,000 lb |
| Material | Aluminum extrusion and aluminum sheet |
| Finish | Epoxy-polyester hybrid powder coat, Black |
| Certifications | EIA-310-D compliant, HCAI OPM-0260 |
| Standard | Trade Agreements Act (TAA) compliant |
| Shipping Weight | 65 lb (29.5 kg) |
| UPC | 70395722016 |
| Country of Origin | United States |
Included Components
- (1) Top pan
- (1) Bottom pan
- (4) Mounting channels (includes 2 grounded channels)
- (2) Base angles
- (2) Top angles
- Assembly hardware
- (100) #12-24 equipment mounting screws




