Description
The Eaton Tripp Lite SR42UBMDEXP is a 42U SmartRack mid-depth expansion rack enclosure, ideal for high-density data center applications. With a 36-inch depth and 24-inch width, this model is designed to be bayed together with other enclosures, making it perfect for row-based deployments such as hot aisle/cold aisle configurations. The rack features front and rear locking/removable doors, built-in baying tabs, and 4 vertical rails compatible with all standard EIA-310-E compliant 19-inch equipment.
This expansion cabinet omits side panels for easier connectivity between racks and improved airflow management. It supports tool-less accessory mounting for up to four vertical PDUs or cable managers and comes preassembled with casters and leveling feet for easy deployment. The SR42UBMDEXP delivers a robust weight capacity of 3,500 lbs
stationary and 2,250 lbs rolling, providing reliable support for your critical IT equipment.
Package Includes
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SR42UBMDEXP Rack Enclosure
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(50) M6 Cage Nuts
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(50) M6 Screws
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(50) M6 Washers
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(2) Door Keys
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Owner’s Manual
| Specification | Details |
|---|---|
| Model Number | SR42UBMDEXP |
| Rack Height | 42U |
| Rack Depth | Mid (36 in / 927 mm) |
| Rack Width | 24 in / 600 mm |
| Mounting Rail Depth Range | 4 to 28.75 in (102 mm to 730 mm) |
| Maximum Usable Internal Depth | 31 in / 787 mm |
| Vertical Mounting Rails | 4 (square hole, cage nut style) |
| Doors | Locking, removable, reversible front & rear |
| Side Panels | Not included |
| Weight Capacity - Stationary | 3,500 lbs (1588 kg) |
| Weight Capacity - Rolling | 2,250 lbs (1021 kg) |
| Casters / Levelers | Pre-installed / adjustable |
| Ventilation | 65% open perforated doors, vented top panel |
| Cable Access | Open bottom and toolless removable top panel |
| Tool-less PDU Mounting | Supports up to 4 vertical PDUs/cable managers |
| Certifications | UL 60950-1, CE, RoHS, UKCA |
| Material Finish | Textured powder coat |
| Warranty | 5-year limited warranty |
| Shipping Dimensions (HWD) | 78 x 24 x 36.5 in (198.1 x 61 x 92.7 cm) |
| Unit Dimensions (HWD) | 78.5 x 23.63 x 36 in (199.4 x 60 x 91.4 cm) |
| Shipping Weight | 236 lbs (107.05 kg) |
| Unit Weight | 186 lbs (84.37 kg) |
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
