Description
The Eaton Tripp Lite SR45UBMDEXPND is a premium 45U SmartRack® 4-post open frame rack designed for efficient and scalable data center deployments. Featuring a mid-depth 36-inch frame and integrated baying tabs, this expansion model is ideal for use in bayed configurations supporting hot/cold aisle layouts. It ships fully assembled with preinstalled casters and levelers for quick roll-in deployment and easy positioning. With square-hole vertical mounting rails adjustable from 4" to 28.75" and a 3,500 lb stationary load capacity, the SR45UBMDEXPND ensures versatile, heavy-duty support for rack-mount IT equipment. Compatible with tool-less vertical PDUs and cable managers, this open frame rack simplifies cable routing and infrastructure scaling.
| Specification | Details |
|---|---|
| Model Number | SR45UBMDEXPND |
| Rack Type | 4-Post Open Frame Rack |
| Rack Height | 45U |
| Rack Depth | Mid (36 in / 927 mm) |
| Maximum Mounting Depth | 28.75 in (730 mm) |
| Minimum Mounting Depth | 4 in (102 mm) |
| Unit Dimensions (H x W x D) | 83.75 x 23.63 x 36.00 in (212.7 x 60.0 x 91.4 cm) |
| Shipping Dimensions (H x W x D) | 90.25 x 26.00 x 37.80 in (229.2 x 66.0 x 96.0 cm) |
| Unit Weight | 140 lbs (63.5 kg) |
| Shipping Weight | 190 lbs (86.2 kg) |
| Load Capacity (Stationary) | 3,500 lbs (1588 kg) |
| Load Capacity (Rolling) | 2,250 lbs (1021 kg) |
| Casters & Leveling Feet | Pre-installed; removable |
| Vertical Mounting Rails | 4; square-hole, adjustable |
| Tool-less Accessory Mounting | Supports up to 4 vertical PDUs/cable managers |
| Color / Finish | Black / Textured powder coat |
| Grounding Points | Front and rear threaded grounding points |
| Certifications | UL 60950-1, RoHS, CE, UKCA |
| Warranty | 5-year limited warranty |
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
