Lowell LER-2427 Specifications

Model: LER-series

Lowell Enclosed Rack – 27"D

Description:

The LER is an E.I.A. compliant rack (UL Listed, Standard 1678) that
offers solid structural support and code compliance to mount and secure
19" wide electronic equipment. Rack is fully welded 16-ga. steel with a
14-ga. steel bottom and reinforced at all load-bearing junctures for
strength equivalent to 11-ga. steel. Includes 1-pr. adjustable mounting
rails (RRD-series) that can be repositioned along the front-to-rear rail
supports.

tapped (10-32) side in position. They can be field-reversed to access the
square punched side for use with cage nuts and 12-24, 6mm or 10-32
screws. Rails are imprinted with easy-to-read rack unit increments.

ance from rails to flush outside of frame is 1.75" (2.5" from rail to inside
of optional surface-mount front door).

Features:

•Integral 19" E.I.A. rack rail at top to mount accessories. Use the two

• Abundant cable lacing points and wire management space:

• Bottom includes provisions for optional leg levelers, and holes for op-

• Vented side panels.

• Vented, recessed rear door with key-lock.

• Open front has vents at top and bottom. (Order front door separately;

• Panel Hardware: PilotPoint

• Beveled corners, black wrinkle powder epoxy finish.

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

• UL rated to support up to 3150 lbs.

Options: (order separately)

• Front Door: locking front door in solid steel, fully-vented steel or

• Rack Rails: additional rack rails can be ordered to add support to

Rails feature a dual-hole pattern and are installed with the

Clear-

steel panels included as shipping stiffeners for flush closure, or order
optional fan panels for active cooling.

– Top

: 10U opening and 6" deep rear conduit plane with three
knockouts for conduit (2"-1"), two knockouts for conduit (1.5"-1"),
plus room to use a Greenlee-style punch for (4") conduit. Six (.5")
knockouts for BNC style wireless antenna.

– Rear

: removable combination knockout panels above and below
rear door: (.5") knockouts for wireless antennae and compound
knockouts for conduit size (.75"-.5") and (1.5"-1").

– Bottom

: 14-gauge steel frame with full-size opening to facilitate

floor entry of cable.

tional anchor bolts (by others). Bottom will accept optional mobile or
stationary platform base. (Order options separately.)

see LFD-series).

TM

screws with captive washers.

steel frame with smoked Plexiglass insert (see LFD-series).

rear of rack-mounted equipment (see RRD-series).

The 10U top opening
can be closed with
the two steel panels
that are mounted to
the front of the rack
for support during
shipping.

Side panels are
vented at top and
bottom for passive
heat dissipation.

Rack includes

recessed rear door
Vents above and
below the open
front for passive
heat dissipation.

with key-lock.

Optional front door

can be ordered

separately (see

LFD-series).

A & E Specifications:

The UL Listed (Standard 1678), E.I.A. compliant equipment rack shall
be Lowell Model __________. It shall measure 23.06"W x 27"D x
______"H with a racking space of _____ rack units. The rack shall be
fully welded 16-gauge certified U.S. steel with seamless side-frame con­struction and 14-ga. steel bottom reinforced at all load-bearing junctures.
It shall include vented side panels, vented recessed rear door with key­lock, and vents above and below the open front. The rack shall feature
one-pair of adjustable mounting rails with a dual-hole pattern (tapped 10­32 on one side, field-reversible to use the square punched holes on the
other). Rack top shall include compound knockouts for conduit size (2"­1") and (1.5"-1"), and (.5") knockouts for BNC wireless antennas. It shall
have a 10U top opening with integral E.I.A. rack rail to accept optional
19" wide accessories. Two steel panels are included as shipping stiffen­ers. The open bottom shall include provisions for optional leg levelers
and holes for optional anchor bolts (by others). The rear shall have re­movable knockout panels above and below door including (.5") knock­outs for wireless antennas and compound knockouts for conduit size
(.75"-.5") and (1.5"-1"). Rack finish shall be black wrinkle powder epoxy.

Model No. Description Rack Units* Overall D Usable D** Panel Space Overall H Overall W

LER-1827 Lowell Enclosed Rack 18 27.00" 24.34" 31.63" 37.63" 23.06"
LER-1827-LRD Lowell Enclosed Rack Less Rear Door 18 27.00" 24.34" 31.63" 37.63" 23.06"
LER-2127 Lowell Enclosed Rack 21 27.00" 24.34" 36.88" 42.88" 23.06"
LER-2127-LRD Lowell Enclosed Rack Less Rear Door 21 27.00" 24.34" 36.88" 42.88" 23.06"
LER-2427 Lowell Enclosed Rack 24 27.00" 24.34" 42.13" 48.13" 23.06"
LER-2427-LRD Lowell Enclosed Rack Less Rear Door 24 27.00" 24.34" 42.13" 48.13" 23.06"
LER-3527 Lowell Enclosed Rack 35 27.00" 24.34" 61.38" 67.38" 23.06"
LER-3527-LRD Lowell Enclosed Rack Less Rear Door 35 27.00" 24.34" 61.38" 67.38" 23.06"
LER-4027 Lowell Enclosed Rack 40 27.00" 24.34" 70.13" 76.13" 23.06"
LER-4027-LRD Lowell Enclosed Rack Less Rear Door 40 27.00" 24.34" 70.13" 76.13" 23.06"
LER-4427 Lowell Enclosed Rack 44 27.00" 24.34" 77.13" 83.13" 23.06"
LER-4427-LRD Lowell Enclosed Rack Less Rear Door 44 27.00" 24.34" 77.13" 83.13" 23.06"

*One rack unit (RU or U) = 1.75" **Usable depth is the maximum racking depth with front rack rails in fully forward position.

Spec. No. 1005
(rev. 09.18.12)
pg. 1 of 2

©2012 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069. Phone–800.325.9660
Fax—636.257.6606. Lowell makes every effort to provide accurate information while reserving the right to
change specifications and/or improve manufacturing methods without notification. (lowellmfg.com)

27.00

TOP VIEW

10U

opening

Front

23.06

KNOCKOUTS FOR CONDUIT

Three (2"-1"), two (1.5"-1"), plus six (.5") front-to-rear knockouts for BNC. The extra deep
6" knockout plane provides room to use a Greenlee-style punch for (4") conduit.

TOP CLOSURE PANELS

During shipping, two solid panels (3U and 7U) are
mounted to the rack front for extra stability. Panels
can be used as flush closure panels for the 10U
opening at top. The top will also accept optional fan
or vent panels (order separately).

OPEN FRONT

Vents above and
below opening for
front door (front
door is optional).

SIDE PANELS

Vents at top
and bottom of
side panels for
passive heat
dissipation.

Overall

Height

FRONT VIEW

equipment

SIDE VIEW

18.32

17.813

17.82

clearance

Panel

Space

REAR VIEW

REAR KNOCKOUT PANELS

Panels above the recessed rear
door have combination knockouts
(.5") for wireless antenna, (.75"-.5")
and (1.5"-1") for conduit.

Notched vents mount optional
rear door fan panel or fan kit
(order separately).

Below the rear door one panel has
combination knockouts for conduit
(.75"-.5") and (1.5"-1"). The other is a
blank project panel.

VENTED REAR DOOR

Rack includes a recessed rear door
that’s vented at top and bottom.

A fully-vented rear door is available
as an option. To order, select rack
model “less rear door”, then order a
fully-vented rear door separately—
see Lowell Rear Door (LRD-series)
with “FV” suffix.

Spec. No. 1005
(rev. 09.18.12)
pg. 2 of 2

ADJUSTABLE RAILS

Front mounting rails are fully adjustable
and can be set anywhere along the front­to-back rail supports.

Measurements are shown in inches.

©2012 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069. Phone–800.325.9660
Fax—636.257.6606. Lowell makes every effort to provide accurate information while reserving the right to
change specifications and/or improve manufacturing methods without notification. (lowellmfg.com)