Description
The Eaton Tripp Lite SmartRack SR48UBEXPND is a premium 48U standard-depth 4-post open frame rack designed for high-density IT environments where efficient cooling and accessibility are essential. Engineered as an expansion model, it is ideal for data centers implementing bayed configurations. With built-in baying tabs, toolless accessory mounting rails, and adjustable square-hole vertical rails, this rack ensures flexible, scalable equipment installations.
Supporting up to 3,500 lbs stationary and 2,250 lbs rolling load, the SR48UBEXPND provides robust, standards-compliant housing for servers, UPS systems, switches, and cable management accessories. It ships fully assembled with preinstalled casters and leveling feet for rapid deployment and includes 50 M6 screws and cage nuts for immediate use. This rugged enclosure is RoHS and EIA/ECA-310-E compliant and backed by a 5-year limited warranty.
| Specification | Details |
|---|---|
| Brand | Eaton Tripp Lite |
| Model Number | SR48UBEXPND |
| Rack Type | Open-Frame 4-Post |
| Rack Height | 48U |
| Rack Depth | Standard (42 in. / 1050 mm) |
| Maximum Device Depth | 37 in. (94 cm) |
| Minimum Device Depth | 4 in. (10.16 cm) |
| Weight Capacity (Stationary) | 3,500 lbs (1,588 kg) |
| Weight Capacity (Rolling) | 2,250 lbs (1,021 kg) |
| Vertical Mounting Rails | 4 (with square-hole openings) |
| Toolless Mounting Rails | 2 (for 4x vertical PDUs or cable managers) |
| Casters and Levelers | Pre-installed (casters removable) |
| Grounding | Integrated front and rear threaded points |
| Material Finish | Textured powder coat (black) |
| Shipping Dimensions (HxWxD) | 95 x 26 x 45 in. (241.3 x 66.04 x 114.3 cm) |
| Unit Dimensions (HxWxD) | 89 x 23.63 x 43 in. (226.06 x 60.02 x 105.41 cm) |
| Unit Weight | 171 lbs (77.56 kg) |
| Shipping Weight | 213 lbs (96.62 kg) |
| Certifications | UL 60950-1, RoHS, EIA/ECA-310-E, UKCA |
| Warranty | 5-Year Limited Warranty |
| Included Accessories | (50) M6 Screws, (50) M6 Cage Nuts, Manual |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
