1472-LER3527 - Lowell Manufacturing
Spec No. 1472
Model No.
LER-3527
[REV. 07.20.17] Page 1/3
UL 2416
•Stand-alone floor rack
•35U x 27”D x 23.06”W
The LER enclosed or stand-alone floor rack offers solid
structural support for electronics. Includes rear door. Front
door is optional (order separately).
Construction & Features
•
Frame: Fully welded 16-ga. steel with 14-ga. base, reinforced at load-bearing junctions for strength equivalent
to 11-ga. steel. Overall height is 67.375” (35U useable).
Overall depth is 27” (24.34” useable).
•
Front: Open front with beveled corners and vents above
and below main opening. Clearance from rails to outside
frame (flush) is 1.75.” A surface-mount front door is available as an option (pg. 3).
•
Rear: Includes recessed rear door with vents and key
lock. Door can be omitted by ordering Model No. LER3527-LRD. Combination knockout panels above and
below rear door include .5” for wireless antennas, .75-.5”
and 1.5-1” for conduit. A blank project panel is located
below rear door.
•
Top: Features 7U opening with riveted rails, taped 10-32,
which can be closed with 2 black steel panels included as
shipping stiffeners. Optional 19” accessories can also be
mounted here. The top also features a 6”D rear plane with
3 combination knockouts for conduit (2-1”), 2 for conduit
(1.5-1”) plus room to use a Greenlee style punch for 4”
conduit. Four .5” knockouts for BNC style wireless antennas.
•
Open Base: 14-ga. steel frame with full size opening facilitates floor entry of cables. The base has provisions to
readily accept mounting an optional mobile or stationary
platform base or leg levelers (pg. 3), as well as anchor
bolts (not included). Includes grounding stud in one corner.
•
Welded Side Panels: Vents at top and bottom are designed to accept optional fan kits (pg. 3)
•
Adjustable Rails: Includes 1 pr. front mounting rails
tapped 10-32 with printed rack unit increments for quick
set-up. Rails are fully adjustable and can be set anywhere
along side rail supports. Rear rails are optional (pg. 3).
•
Cable Management: Combination knockouts above and
below rear door.
•
Thermal Management: Vents in top, sides, and rear
door are made to accept optional fan kits (pg. 3)
•
Load Capacity: 3150 lbs.
•Compliance: EIA/TIA/RoHS compliant, UL2416 Listed
•Finish: Black wrinkle powder epoxy
•Hardware Pilot Point screws with captive washers.
Options (order separately)
Pg. 3
A&E Specifications
The EIA/TIA/RoHS compliant, stand-alone floor rack shall
be Lowell Model No. LER-3527. Overall measurements shall
be 67.375”H x 27”D x 23.06”W with panel space of 35 rack
units. Load capacity shall be 3150 lbs. The rack shall include a recessed rear door with vents and key lock, welded
side panels with vents, top with 7U opening and combination
knockouts, open base with grounding stud, one pair adjustable front mounting rails with printed RU increments, combination knockouts above and below rear door, and provisions
to mount an optional surface-mount front door or rear rails
(ordered separately). The rack shall be manufactured in the
U.S.A. with certified U.S. steel and have a black wrinkle powder epoxy finish. It shall be UL Listed to UL2416.
Lowell makes every effort to provide accurate information while reserving the right to change specifications and/or improve manufacturing methods without notification.
©2017 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069 | tel. 800.325.9660 | www.lowellmfg.com
Spec No. 1472
[REV. 07.20.17] Page 2/3
Technical Drawings
.5" ANTENNA 4X
2" & 1.375" K.O.'S
3X
1.25" & .875" K.O'S
2X
SHIPPING
STIFFENERS
TO BE USED TO
CLOSED TOP
23.063”
TOP
2" & 1.375" K.O.'S
4X
1.25" & .875" K.O'S
3X
REMOVABLE
KNOCKOUT
PANELS 4X
.5" ANTENNA 2X
27.000”
18.312”
CL TO CL
61.250”
67.375”
FRONT
SIDE
BLANK
PANEL
REAR
1.25" & .875" K.O'S 1X
2" & 1.375" K.O.'S 2X
BASE
Lowell makes every effort to provide accurate information while reserving the right to change specifications and/or improve manufacturing methods without notification.
©2017 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069 | tel. 800.325.9660 | www.lowellmfg.com
Spec No. 1472
[REV. 07.20.17] Page 3/3
Options
ront Door (LFD Series): Surface-mount front door with key lock mounts left or right without drilling. Front rail clearF
ance to inside of door is 2.5.” Available in solid steel, fully vented steel or smoked plexiglass.
Fully Vented Rear Door (LRD-FV Series): Fully vented rear door with key lock (different from front door lock) mounts
left or right without drilling.
Mobile Base (LMB-27): Mounts inside rack frame providing a platform flush to bottom rack space. Increases rack
height 1.25”. Center opening. Swivel casters. Load rating 1400 lbs.
Stationary Base (LSB-27): Mounts inside rack frame creating a floor that’s flush with bottom rack space to support
heavy equipment mounted in lowest rack position. Does not increase rack height. Center opening. (LSSB-27): Shallow
base provides sub-floor 2.25” below bottom rack space, creating a recessed area for accessories. Center opening.
Rear Rails (RRD-35): 35U rails tapped 10-32 can be adjusted to mount anywhere along support brackets (1 pr).
Rear Door Fan Panel (FW2-RD): Mounts to vents in rear door or side panels. Includes two whisper fans with standard
cord. (FW2-RDT): Cord has built-in thermostat.
Single Fan Kit (FW1-KIT): Whisper fan mounts to vents in rear door or side panels. Standard cord. (FW1-KITT):
Cord with built-in thermostat.
Magnetic Vent Blockers (MVB27): Set of four magnetic strips to aid active thermal management, typically mounted
on rack interior to cover front vent (at top of rack), rear vent (above door) and two side vents (at top of side panels).
Model No. Summary
Model No.
Description
Panel Space
Overall Height
Overall Width
Overall Depth
Useable Depth
LER-3527
Floor rack
35U
67.375”
23.06”
27.00”
24.34”
LER-3527-LRD
Floor rack (less rear door)
35U
67.375”
23.06”
27.00”
24.34”
LFD-35
Solid front door
LFD-35P
Smoked plexiglass front door
LFD-35FV
Fully vented front door
LRD-35FV
Fully vented rear door (for LER-3527-LRD model)
LMB-27
Mobile base
LSB-27
Stationary base
LSSB-27
Shallow stationary base
RRD-35
Adjustable rear rails (1 pr, 35U)
FW2-RD
Rear door fan panel (2 whisper fans, standard cord)
FW2-RDT
Rear door fan panel (2 whisper fans, thermostat in cord)
FW1-KIT
Single fan kit (1 whisper fan, standard cord)
FW1-KITT
Single fan kit (1 whisper fan, thermostat in cord)
MVP27
Magnetic vent blocker kit
1 rack unit (RU or U) = 1.75 inches or 44.45 mm.
Lowell makes every effort to provide accurate information while reserving the right to change specifications and/or improve manufacturing methods without notification.
©2017 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069 | tel. 800.325.9660 | www.lowellmfg.com
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