SmartRack 21U Low-Profile Switch-Depth Wall-
Mount Rack Enclosure Cabinet
MODEL NUMBER:
SRW21U
Highlights
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Maximum load capacity of 200
lb.
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Locking steel cabinet vented at
sides, front, top and bottom
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Flow-through ventilation keeps
equipment cool
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Secures 21U of 19 in. rack
equipment up to 16.5 in. deep
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Mounts to wall or rolls on floor
(with optional SRCASTER)
Package Includes
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SRW21U SmartRack 21U Low-
Profile Switch-Depth Wall-Mount
Rack Enclosure Cabinet
Wall-mount cabinet secures and organizes 21U of 19-inch rack equipment in network closets, classrooms
and other locations with limited floor space. Houses network switches and patch panels up to 16.5 inches
deep.
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(44) M6 screws
(44) M6 cage nuts
(44) M6 cup washers
(44) 12-24 screws
Removable mounting plate
(3) Mounting plate screws
(2) Keys
Owner’s manual
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Description
The SRW21U SmartRack 21U Low-Profile Switch-Depth Wall-Mount Rack Enclosure Cabinet is designed
to house EIA-standard 19-inch rack equipment in network wiring closets, retail locations, classrooms, back
offices and other areas with limited floor space where you need equipment to be secure, organized and
out of the way. Constructed from heavy-duty steel with a durable black powder-coated finish, the cabinet
has a maximum load capacity of 200 pounds.
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The side panels and front door lock securely to help prevent damage, tampering or theft. The front, top,
bottom and removable side panels are vented, which allows air to flow freely and keep equipment cool.
The reversible front door can open left or right by rotating the cabinet 180° before mounting. Convenient
top and bottom ports allow easy cable routing.
The SRW21U comes fully assembled and ready to mount to the wall, or use Tripp Lite’s optional
SRCASTER rolling caster kit to make it a mobile rack. Square and 12-24 threaded mounting holes and
numbered rack spaces make equipment installation easy. The vertical mounting rails adjust in 7/8-inch
increments to accommodate equipment up to 16.5 inches deep, such as network switches and patch
panels.
Features
Saves Valuable Workspace
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Perfect for network wiring closets, retail locations, classrooms, back offices and other areas with limited
floor space where you need equipment to be secure, organized and out of the way
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Houses EIA-standard 19 in. rack equipment in 21U of space
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Maximum load capacity of 200 lb.
Keeps Important Equipment Secure
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Side panels and front door lock securely to help prevent damage, tampering or theft
Vented panels allow generous airflow that keeps equipment cool
Rotate cabinet 180° before mounting to open reversible front door left or right
Convenient ports with removable covers allow cable routing through top and bottom
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Easy Enclosure and Equipment Installation
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Ships fully assembled for quick installation
Mounts to wall or rolls on floor with Tripp Lite’s optional SRCASTER caster kit
Wall-mounting holes spaced 16 in. apart for standard wall stud placement
Vertical mounting rails adjust in 7/8 in. increments to accommodate equipment up to 16.5 in. deep, such
as network switches and patch panels
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Rails support square-hole or 12-24 threaded-hole mounting
Rack spaces numbered for easy reference
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Meets Payment Card Industry Standards
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Provides physical equipment and media security required for PCI DSS (Payment Card Industry Data
Security Standard) compliance
Specifications
OVERVIEW
UPC Code
037332187321
PHYSICAL
Rack Height (U Spaces)
Maximum Device Depth (in.)
Maximum Device Depth (cm)
Minimum Device Depth (in.)
Minimum Device Depth (cm)
Shipping Dimensions (hwd / in.)
Shipping Dimensions (hwd / cm)
Shipping Weight (lbs.)
Shipping Weight (kg)
Unit Dimensions (hwd / in.)
Unit Dimensions (hwd / cm)
21
16.5
41.91
3
7.62
45.87 x 26.61 x 18.98
116.51 x 67.59 x 48.21
67.80
30.75
40.87 x 23.63 x 17.72
103.81 x 60.02 x 45.01
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Unit Weight (lbs.)
Unit Weight (kg)
Color
Weight Capacity - Stationary (lbs.)
Weight Capacity - Stationary (kg)
Cable Access Hole Measurement
(inches)
Maximum Device Depth (mm)
Minimum Device Depth (mm)
51.00
23.13
Black
200
91
9.812 x 2.35 (l x w)
419
76
SPECIAL FEATURES
Grounding Lug
Front and Back door frames
CERTIFICATIONS
Certifications
Approvals
UL/CSA 60950-1, EIA-310-E
RoHS
WARRANTY
Product Warranty Period
(Worldwide)
5-year limited warranty
© 2018 Tripp Lite. All rights reserved. All product and company names are trademarks or registered trademarks of their respective holders. Use of them does
not imply any affiliation with or endorsement by them. Tripp Lite has a policy of continuous improvement. Specifications are subject to change without notice.
Tripp Lite uses primary and third-party agencies to test its products for compliance with standards. See a list of Tripp Lite's testing agencies:
https://www.tripplite.com/products/product-certification-agencies
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