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Tripp Lite > 
Item#: N82E16816228076

Tripp Lite SR42UBG 42U SmartRack Premium Enclosure (includes plexiglass front door, vented back doors and side panels)

  • Black
  • Stationary (lbs) : 3000
  • Rolling (lbs) : 2250 Weight Capacity
  • Rack Enclosure
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Tripp Lite's SR42UBG is the ideal solution for secure, high-density server and networking applications in IT environments. This premium SmartRack™ Enclosure Cabinet is packed with features designed to simplify rack equipment installations and rack equipment maintenance: top-panel cable routing ports, Plexiglas® front door for secure equipment monitoring, perforated rear doors to promote efficient airflow, adjustable mounting rails, toolless vertical PDU mounting and more. And as part of the SmartRack family, the SR42UBG is compatible with Tripp Lite's extensive range of rackmount accessories, enabling you to customize your solution to meet any requirement. The SR42UBG ships fully assembled for quick installation and comes with a 5-year warranty.

Optimized for Data Center Applications

The SR42UBG is optimized for data center and other high-density IT applications. Its massive ventilation capacity meets or exceeds server manufacturer requirements. The SR42UBG offers full compatibility with a wide range of airflow optimization accessories as well as cable management accessories. It features integrated baying tabs that make it easy to combine multiple enclosures in rows for data center applications. The SR42UBG offers guaranteed compatibility with all EIA-310-E compliant 19-in. equipment, and is also 100% compatible with today's state-of-the-art hot-aisle/cold-aisle data center configurations.

Optimized for Data Center Applications

SR42UBG Feature Focus

SR42UBG Toolless Mounting

SR42UBG Easy-View Depth Index

SR42UBG Vented Top Panel

SR42UBG Integral Grounding System

SR42UBG Locking Front Door

SR42UBG Locking, Removable Side Panels

SR42UBG Preinstalled Casters and Leveling Feet

SR42UBG Open Bottom

Secure Equipment Access

The SR42UBG is designed to provide a safe, secure installation solution for mission-critical rackmount equipment. It features a locking, reversible, removable Plexiglas® front door for equipment monitoring; locking, reversible, removable split rear doors; and locking, removable side panels. Locking doors and side panels prevent unauthorized access to installed equipment while making it easy for IT personnel to perform inspections, maintenance and equipment replacement. The side panels are half size (two per side) for ease of removal and reinstallation. The split rear door design reduces clearance requirements for service access, allowing the enclosure to be placed closer to a wall.

Simple Equipment Installation

The SR42UBG is compatible with all standard 19-inch rack equipment. It features front and rear pairs of vertical rails with square mounting holes. The rails are adjustable in quarter-inch increments to accommodate equipment depths from 4 to 37 inches. Adjustment is quick and convenient—simply unscrew the rails, slide them to the desired depth and restore the screws. An easy-view depth index ensures consistent rail placement without requiring time-consuming measurements. The rails feature square mounting holes and are capable of supporting up to 3000 lbs. of equipment with included installation hardware. Each rack space within the enclosure is numbered for ready reference.

Toolless Vertical Mounting Rails

The SR42UBG features two adjustable vertical mounting rails that support toolless button-mount 0U installation of compatible PDUs and cable managers. Each rail can accommodate two vertical PDUs or cable managers side by side, for a total of four units per enclosure. These vertical mounting rails make it easier to route power and cabling to installed rack equipment. They also reduce cord and cable clutter that could block airflow through the enclosure.

Vented Top Panel with Cable Ports

The top panel of the SR42UBG is furnished with vents designed to help remove warm air from the enclosure and draw in cool air by convection. It also supports installation of standard user-supplied case fans. The top panel is provided with ports for cable routing, and is designed for quick, toolless removal with no need to disconnect cables. The SR42UBG is designed with an open bottom to facilitate cable access.

Integral Grounding System

All components of the SR42UBG are grounded to the enclosure frame. Front and rear threaded grounding points are provided for connection to the facility earth ground. The removable front and rear doors feature quick-release ground wires.

Preinstalled Casters and Leveling Feet

To simplify deployment, the SR42UBG comes with preinstalled casters meant for minor position adjustments and leveling feet to stabilize the rack once positioned. The casters enable the SR42UBG to be easily maneuvered into the desired location within the final installation area, where it can then be secured in place by adjusting the levelers. The SR42UBG has a rolling load capacity of 2250 lbs., enabling rack equipment to be installed in the enclosure prior to final deployment.

Peace of Mind

The SR42UBG comes with a 5-year product warranty and a rapid-response repair/replacement policy that's unmatched in the industry. This rack also meets enclosure requirements towards PCI DSS (Payment Card Industry Data Security Standard) compliance.

Technical Specifications

  • Rack spaces: 42
  • Load capacity (rolling): 2250 lb
  • Load capacity (stationary): 3000 lb
  • Mounting depth: 4 to 37 in.
  • Mounting holes: Square (mounting hardware included)
  • Doors: Plexiglas front; rear (lockable/reversible/perforated)
  • Side panels: 2 per side (lockable/removable/perforated)
  • Top panel: Vented/removable
  • Cable ports: Top panel (removable covers)
  • Height: 78.5 in.
  • Width: 23.63 in.
  • Depth: 43 in.
  • Weight: 286 lb
  • Material of construction: Steel
  • Warranty: 5 years

What's in the Box

  • SR42UBG Rack Enclosure
  • (1) Plexiglas® Front Door
  • (4) Side Panels
  • (4) Side Panel Locks
  • (2) Keys for Door and Side Panels
  • (50) M6 Screws
  • (50) M6 Cage Nuts
  • (50) M6 Washers
  • (1) Allen Wrench
  • Owner's Manual

Tripp Lite
Rack Enclosures
Rack Space 42U 42U 48U
Weight Capacity (Stationary) 3000 lbs 3000 lbs 3000 lbs
Doors Plexiglas Front Door Standard Standard
Side Panels Yes Yes Yes
Shipping Fully assembled Fully assembled Fully assembled
Warranty 5-year 5-year 5-year

Learn more about the Tripp Lite SR42UBG


Tripp Lite


Rack Enclosure
Rack Units
Weight Capacity
Stationary (lbs) : 3000
Rolling (lbs) : 2250

Dimension & Weight

78.5" x 23.63" x 43.0"
286 lbs.


42U SmartRack enclosure with plexiglass front door, vented rear doors and side panels

4 interior vertical posts with unthreaded square hole openings

Standard 24" width for optimizing floor space

Ships fully assembled

Locking, removable, reversible front and rear doors

Locking, removable side panels keyed alike with doors

Preinstalled casters and leveling feet

Rolls through standard 7 foot doorway

Includes 50 pieces of M6 cage nuts and 50 pieces of M6 screws (equipment mounting hardware)
Industry Standard

Quick Info

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Computer Hardware > 
Servers & Workstations > 
Server Racks / Cabinets > 
Tripp Lite > 
Item#: N82E16816228076
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