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Red steel wall-mount server rack enclosure 12U 23in depth NEMA 3R

Tripp Lite

Tripp Lite SRN3RR12US 12U wall-mount server rack 23in depth NEMA 3R red

SKU CH-0QM9-0C44E MPN SRN3RR12US

A 12U wall-mount steel enclosure with NEMA 3R sealing, locking door and swing-away hinge for 28 in. deep equipment

  • Rack height12U
  • Product dimensionsHeight 28.5 in Width 25.2 in Depth 32.1 in
  • Product weight146.44 lb (66.4 kg)
  • Product typeWall Mount Rack
  • Product colorRed
  • Main materialSteel
  • NEMA 3R rating shields equipment from rain and snow
  • Lockable door with included keys prevents unauthorised access
  • 12U capacity holds up to 28in deep rack gear
  • Internal fans with thermal switch maintain cool operating temperatures
  • Hinged swing-away design gives easy rear access for maintenance

Industrial wall-mount rack

This Tripp Lite SmartRack enclosure provides 12U of secured mounting space for servers and network gear in industrial or outdoor settings. The NEMA 3R rated steel housing protects equipment from rain, sleet and snow while the lockable door prevents unauthorised access. It suits installers who need a rugged cabinet that can be mounted directly to a wall or structure.

Thermal management and access

Internal fans operated by a thermal switch draw air through the sealed enclosure to keep installed equipment cool during normal operation. The cabinet swings away from the wall on a hinge, giving technicians full rear access for cabling and maintenance without removing the unit from the wall. Power draw is limited to the fan assembly only.

Maximum equipment depth

The enclosure accommodates rack-mounted devices up to 28 inches deep, which is the critical dimension for selecting compatible servers, switches or UPS units. Equipment exceeding this depth will not fit behind the closed door. The overall unit measures 28.5 inches high, 25.2 inches wide and 32.1 inches deep, weighing 146.44 lb.

How it compares

Measured against everything we stock in Rack Cabinets & Shelves, at today’s prices. Recalculated every night.

Price $1,572.99
Pricier than about 90% of the 2,764 comparable items (median $106.99).

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Specifications

Product
Brand nameTripp Lite
Model nameSRN3RR12US
Part numberSRN3RR12US
Product typeWall Mount Rack
Product colorRed
Size & build
Rack height12U
Main materialSteel
Product dimensionsHeight 28.5 in
Width 25.2 in
Depth 32.1 in
Product weight146.44 lb (66.4 kg)
Shipping weight90.72 kg
Package size914 × 889 × 711 mm

Questions about this item

How do I mount the 12U enclosure to the wall, and what step is most often missed?

Secure the steel cabinet to structural studs using the full depth of 32.1 in. The step people skip is verifying the wall can support 146.44 lb before drilling.

What maintenance will the internal fans and door seals need over time?

Clean the fan intakes and thermal switch contacts periodically, and inspect the NEMA 3R gasket on the door for cracks to maintain rain and snow protection.

What limit appears first when the enclosure runs fully loaded in hot weather?

The thermal switch on the internal fans activates to increase airflow once internal temperature rises, preventing equipment from exceeding its safe operating range.

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