Description
The Eaton Tripp Lite SmartRack NEMA 3R Industrial Enclosure is purpose-built to safeguard critical IT and networking equipment in demanding indoor and outdoor environments. Designed for wall-mount deployment, this rugged 9U enclosure delivers reliable protection against rain, sleet, snow, and environmental moisture while maintaining optimal airflow and accessibility.
Its sealed metal construction ensures durability and equipment security, while the locking front door prevents unauthorized access. A unique hinged back panel allows the enclosure to swing away from the wall, providing convenient rear access for installation and maintenance without removing equipment.
Integrated cooling fans with a thermal switch automatically regulate airflow, helping maintain safe operating temperatures for sensitive electronics. With support for equipment up to 28 inches deep, this enclosure is ideal for industrial networks, security systems, edge computing deployments, and outdoor infrastructure.
| Specification | Details |
|---|---|
| Brand | Eaton Tripp Lite |
| Model | SmartRack Industrial Enclosure |
| SKU | SRN3RG9US |
| Form Factor | Wall-Mount Enclosure |
| Rack Capacity | 9U |
| Maximum Equipment Depth | 28 inches |
| Enclosure Type | NEMA 3R Rated |
| Protection Features | Resistant to rain, sleet, snow, and moisture |
| Material | Heavy-duty sealed metal housing |
| Access Design | Hinged back panel for rear access |
| Door Type | Locking front door with included keys |
| Cooling System | Integrated fans with thermal switch |
| Color | Gray |
| Dimensions (H x W x D) | 23.24 x 25.17 x 32.13 inches |
| Weight | 131.17 lb |
| Compliance Standards | EIA-310-E, RoHS, REACH, NEMA 3R |
| Certifications | UL Listed, CSA Certified |
| Application | Industrial, outdoor, edge networking, security 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
