Description
The Eaton Tripp Lite SR48UBEXP SmartRack 48U Standard-Depth Expansion Rack Enclosure is designed for high-density data centers and mission-critical IT environments. Built for secure, scalable installations, this expansion cabinet offers exceptional airflow, durability, and versatility. It features vendor-neutral square-hole mounting for full EIA-310-D compliance, heavy-duty casters for easy positioning, and adjustable mounting rails with depth indexing for fast setup.
The SR48UBEXP supports up to 3,500 lbs (stationary) and 2,250 lbs (rolling), ensuring robust performance for servers, switches, and UPS systems. Its perforated doors provide 65%+ open airflow, optimizing cooling for hot-aisle/cold-aisle configurations. With integrated baying tabs, this expansion model is ideal for multi-cabinet data center rows. Ships fully assembled and ready for deployment.
| Category | Specification |
|---|---|
| Model Number | SR48UBEXP |
| Brand | Eaton (Tripp Lite Series) |
| Type | 48U SmartRack Expansion Enclosure (No Side Panels) |
| Rack Compatibility | EIA-310-D compliant 19" equipment |
| Rack Height | 48U |
| Rack Depth | Standard |
| Maximum Device Depth | 37 in (94 cm) |
| Minimum Device Depth | 4 in (10.2 cm) |
| Factory Preset Depth | 27.75 in (70.5 cm) |
| Weight Capacity (Stationary) | 3,500 lbs (1,588 kg) |
| Weight Capacity (Rolling) | 2,250 lbs (1,021 kg) |
| Ventilation | 65%+ perforated door design for front-to-rear airflow |
| Doors | Locking, removable, and reversible front and split rear doors |
| Side Panels | Not included (Expansion model) |
| Casters | Pre-installed, removable; heavy-duty rolling support |
| Leveling Feet | Adjustable and removable |
| Grounding System | Front/rear door frames grounded with quick-release ground wires |
| Cable Management | Top/bottom cable access holes; toolless PDU & vertical manager slots |
| Color | Black (Textured powder-coat finish) |
| Dimensions (H x W x D) | 89 x 23.63 x 43 in (226.06 x 60.02 x 109.22 cm) |
| Shipping Dimensions (H x W x D) | 95 x 26 x 45 in (241.3 x 66.04 x 114.3 cm) |
| Unit Weight | 211 lbs (95.7 kg) |
| Shipping Weight | 267 lbs (121.1 kg) |
| Certifications | UL 60950-1, CE, UKCA, RoHS |
| Warranty | 5-Year Limited Warranty |
| Application | Servers, Patch Panels, Network Switches, UPS Systems |
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
