Lowell LWBR-4022 Specifications

Heard Everywhere Since 1947

Model No.

LWBR-4022

• Wall-mount rack with support base

• 40U x 22.4"D x 23.06"W

The LWBR provides convenient access to equipment in wall­mount applications as the cabinet swings open and pivots
smoothly on stainless steel ball transfers set into a support base.
A keyed lock in the front secures the cabinet to the backbox,
while allowing side-by-side installations. Welded 16-gauge steel
construction is finished with beveled corners and a durable black
wrinkle powder epoxy paint. Optional front doors for cabinet and
base.

pec No. 1633 | Rev. 10.07.15 | pg. 1/3

S

Construction & Features

• Cabinet: Opens with single-release grasp, then pivots

smoothly on stainless steel ball transfers, swinging 90 degrees
to access equipment connections. The right-hinged swing can
be changed to left using internal spring-loaded hinges. Sides
are vented at top and bottom. Side vents have notches to
mount optional single-fan kit. Slam latch closure.

• Base: Stainless steel ball transfers in the base allow cabinet
to pivot smoothly under 500 lbs. load. Base includes two ac­cess panels (top and front). Remove front panel to gain an ad­ditional 4 rack units of space for mounted equipment.

• Backbox: 4.69"D backbox mounts on 16" centers and fea­tures a large central cutout area.

• Cable Management: Removable knockout panel on top of
backbox features 0.5" knockouts for wireless antennas and
combination knockouts (.75–.5" and 1.5–1.0") for conduit.

• Top: Opening with integral E.I.A. rail accommodates standard
19" accessories. A 4U solid panel used as a shipping stiffener
can also be used to close the top.

• Adjustable Mounting Rails: Includes one pair of adjustable
mounting rails with printed scale to aid equipment installation.
Rails are recessed .63" from front, allowing 1.38" clearance
between equipment knobs and optional front door.

• E.I.A./T.I.A. compliant

• Made in the U.S.A. with 100% certified U.S. steel

A&E Specifications

The E.I.A. compliant wall-mount rack shall be Lowell Model No.
LWBR-4022, which shall consist of a backbox and cabinet with
base. Overall measurements shall be 85.78"H x 22.4"D x

23.06"W with 40U rack space. Construction shall be 16 gauge

welded steel with beveled corners and black wrinkle powder
epoxy finish. The cabinet shall provide 90 degree pivot capability
and swing open from a right hinge, which shall be field-change-

Lowell makes every effort to provide accurate information while reserving the right to change specifications and/or improve manufacturing methods without notification.
©2015 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069 | tel. [phone] | www.lowellmfg.com

Extra 4U rack
space in base —
ideal for optional
4U utility drawer.

(L to R) Pin for optional front door can be moved to change swing
orientation; stainless steel balls help transfer weight smoothly as
cabinet swings open; front key lock secures cabinet to backbox
while allowing side-by-side installs.

able to left swing orientation. The cabinet shall feature
vented side panels, one pair of adjustable mounting rails,
and a keyed lock to secure it to the backbox. It shall include
side-mounted fixed rails to accommodate optional power
strips. The open top shall have knockouts for conduit, knock­outs for BNC antennas, lacing points, and provisions to at­tach board-mounted accessories. The base shall include
stainless steel ball transfers and two access panels to pro­vide an additional 4U of panel space when the front panel
is removed. It shall have a load rating of 500 lbs. The back­box with center opening shall be 4.69"D and mount on 16"
centers.

Heard Everywhere Since 1947

KNOCKOUT PANELS ON BACK TOP
E

ACH PANEL INCLUDES .5" KO'S FOR WIRELESS ANTENNAS

AND .75-.5" & 1.5" 1" KNOCKOUTS FOR CONDUIT

85.78

9.13

16.41

76.65

5.81

2.5 E.O.'S

2.5 E.O.'S

70.13

1

7.812

C

LEARANCE

7.13

1

9.187

37.50
X

10.00

18.312

C

L

to

C

L

18.312

2

2.40

.376

22.029

SID E VENT S
I

NCLU DE TI NY

N

OTCHES TO
MOUNT OPTIONAL
L

WF-KIT FAN

SIDE VIEW (INTERIOR)

FRONT VIEW

T

OP VIEW

SIDE VIEW

Technical Drawings

pec No. 1633 | Rev. 10.07.15 | pg. 2/3

S

Measurements are inches.

Lowell makes every effort to provide accurate information while reserving the right to change specifications and/or improve manufacturing methods without notification.
©2015 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069 | tel. [phone] | www.lowellmfg.com