Description
The Eaton Tripp Lite SmartRack SRN3RG18UHD is a heavy-duty 18U wall-mount industrial enclosure engineered to safeguard sensitive rack-mount equipment in demanding environments. Designed with NEMA 3R-rated protection, it resists rain, sleet, snow, and airborne debris, making it ideal for both indoor and outdoor installations.
Constructed from durable powder-coated steel, the SRN3RG18UHD supports up to 200 lbs (91 kg) of 19-inch rack equipment up to 32.5 inches deep, such as UPS systems, PDUs, and network switches. The fully welded housing includes locking doors with weather seals to prevent tampering, dust, and moisture intrusion.
Two top-mounted cooling fans with a thermal switch automatically activate at 86°F (30°C), ensuring optimal airflow and temperature regulation. The enclosure ships fully assembled for immediate wall mounting and includes adjustable front and rear rails, mounting hardware, and security keys.
Built for industrial reliability, the SRN3RG18UHD is compliant with NEMA 3R, UL 508A, and CSA C22.2 No. 286, making it the perfect solution for protecting network and power infrastructure in factories, utilities, transport hubs, and outdoor installations.
| Category | Specification |
|---|---|
| Model Number | SRN3RG18UHD |
| Brand | Eaton Tripp Lite |
| Rack Type | Wall-Mount Industrial Enclosure |
| Rack Height | 18U |
| Rack Depth | 32.5 in (Max) |
| Material | Powder-Coated Steel |
| Color | Gray |
| Protection Rating | NEMA 3R (Weather-Resistant) |
| Load Capacity | 200 lbs (91 kg) |
| Cooling System | 2 x Top-Mounted Fans with Thermal Switch (activates at 86°F / 30°C) |
| Mounting Rails | Adjustable Front and Rear (10-32) |
| Door Type | Locking, Gasketed Steel Door with Weather Seal |
| Cable Entry | Sealed Bottom Cutout (compatible with gland plates) |
| Mounting Type | Wall-Mount (Fully Assembled) |
| Outdoor Use | Yes |
| Certifications | UL 508A, CAN/CSA-C22.2 No. 286 |
| Compliance | RoHS, REACH, EIA/ECA-310-E, NEMA 3R |
| Unit Dimensions (H x W x D) | 40.32 x 26.91 x 36.16 in (102.4 x 68.4 x 91.8 cm) |
| Unit Weight | 259.55 lbs (117.73 kg) |
| Shipping Weight | 320 lbs (145.15 kg) |
| Included Accessories | (48) 10-32 Screws, (48) M6 Washers, (6) LDPE Plugs, (6) M10 Foam Washers, (2) Keys, Owner’s Manual |
| 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
