Middle Atlantic Products ERK-4425 User Manual
Displayed below is the user manual for ERK-4425 by Middle Atlantic Products which is a product in the Rack Cabinets category. This manual has pages.
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96-038 / rev r / 8-30-17
ERK Series
enclosure
The ERK Series 19” welded stand-alone / gangable
enclosures. Advanced manufacturing techniques
provide highest quality and lowest price.
features:
• Fully welded construction
• 2,500 lb. weight capacity
• 1/8” thick structural steel internal braces
• UL Listed in the US and Canada
• Seismic certified (when used with ERK-Z4 option) with
an Ip value of 1.5
• 22” OD width, available 20”, 25” or 28” OD depth
• 1/2” , 3/4”, 1” & 1-1/2” electrical knockouts on removable
split rear plates top and bottom, easily removable for cable
pass-through. Top plates additionally include UHF / VHF
knockouts
• Standard front, optional rear 11-gauge 10-32 threaded, fully
adjustable rackrail with numbered rackspace increments
• Keylocked solid rear door standard, optional vented rear
doors available
• Optional front doors available
• Configurable top options on 44, 40, and 35 space sizes
• Durable black textured powder coat finish
EIA/TIA COMPLIANT
SEISMIC CERTIFIED
EIA compliant 19” stand-alone / gangable equipment rack shall be Middle Atlantic Products model # ERK-
__-__(see chart for available models). Overall dimensions of rack shall be __”H x __”W x __”D (refer to
chart). Useable height shall be __ rackspaces, useable depth shall be __” (refer to chart). Rack shall be
of fully welded construction. Weight capacity shall be 2,500 lbs. ERK shall be finished in a durable black
powder coat. ERK shall come equipped with one pair of fully adjustable 11-gauge steel rackrail with tapped
10-32 mounting holes in universal EIA spacing, black e-coat finish and numbered rackspaces. ERK shall
include solid locking rear door standard and solid sides with vertical slotted vent pattern at top and bottom
(and laser knockouts for cable pass-through on 44, 40, and 35 space models). Top and bottom of ERK shall
feature vertical slotted vent pattern. ERK shall have removable split rear knockout panels with 1/2”, 3/4”, 1”,
and 1-1/2” electrical knockouts installed in base and a removable rear knockout panel with 1/2”, 3/4”, 1”,
and 1-1/2” electrical knockouts and BNC knockouts for UHF/VHF antennae installed in top. Grounding and
bonding stud shall be 1/4-20 threaded (1 location), bonding stud shall be 10-32 threaded (3 locations). ERK
Series enclosures shall satisfy the 2005 & 2010 Editions of ASCE Standard 7; 2006, 2009 & 2012 editions
of the IBC; 2007, 2010 & 2013 editions of the CBC; 2010 editions of the NBC and 2012 edition of the BCBC
for use in areas of high seismicity, Occupancy Category IV facilities. Seismic design force is an assumed Site
Class D soil conditions, and top floor or rooftop installations. Design for High Importance or Post-disaster
installation uses an importance factor (Ip or Ie) of 1.5 when used with ERK-Z4 seismic floor anchor bracket.
ERK shall be UL Listed in the US to UL2416 (NWIN) and Canada to CSA C22.2 No. 60950-1. ERK shall be
GREENGUARD Gold Certified. ERK Series Series shall meet the RoHS EU Directive 2011/65/EU. ERK shall
be manufactured by an ISO 9001 and ISO 14001 registered company. ERK shall be warrantied to be free
from defects in material or workmanship under normal use and conditions for the lifetime of the product.
Customizable specification clips available at middleatlantic.com
specifications:
options:
• Front doors shall be model #FD-XX (solid), VFD-XX (vented,
22% open area), LVFD-xx (vented 63% open area-not
available for 27 space rack) PVFD-44 (vented plexi), (X=#
of rackspaces of ERK rack)
• Rear door, vented, shall be ERK-VRD-XX, Cable management
shall be ERK-RDC-XX (XX= # of rackspaces of ERK Rack)
• Top panels for 35, 40 or 44 space ERK, multiple styles
available including model #ERK-ST (solid), ERK-10FT
(10” fan), ERK-6FT (two 6” fans) ERK-4FT (three 4-1/2” fans),
ERK-VT (vented) and ERK-LVT (large perf vented) see A&E
spec 96-01063 for more details
• Caster base, four casters shall have a total weight capacity
of 1300 pounds, model # CBS-ERK-YY (Y= cabinet depth),
raises racks 3.9” (commercial grade) or 4.1” (fine floor)
• Rear rail kit, 11-gauge, 10-32 threaded, sold in pairs,
hardware included, model #ERK-RRXX (X=# of rackspaces)
• Seismic compliancy floor anchor kit, model # ERK-Z4
• 18, 21 and 27 space ERK come preconfigured with solid top
that includes knockouts to accommodate up to two 4-1/2”
fans, or included vent panels
• Optional bonding kit for UL-2416 (NWIN) compliance shall
be PET-K-RD (for rear door to enclosure), PET-K-RDC (for
cable management rear door to enclosure), PET-K-EXT (for
extender bay to enclosure)
• Extender bay adds 3” of usable depth, front mount shall be
ERK-(44, 40)-F-EXT3, rear shall be ERK-(44,40)-R-EXT3
• Grommet for 4” electrical knockout in side of ERK shall be
model # GK4 and include 4 pieces
• Gland grommet for 4” electrical knockout in side of ERK
shall be model #GK-4G. 4 Pieces.
• Slide out option available (See AXS Spec sheet 96-055S)
ERK-4425
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ERK Series
configured A/V enclosure
Configured A/V enclosure ships complete with
the most commonly used accessories.
features:
• Integrated fan top
• Configurable rear door with bottom vent, solid locking
front door
• 3-1/4” wide vertical lacer strip (height varies based
on model)
• Six horizontal lacer bars
• Twelve 8” Velcro® cable management straps
• Thin power strip, 20 Amp, 20 outlet with cord (44 space
enclosures) or 2 qty. thin power strip, 20 Amp, 10 outlet
with cord (35 & 40 space enclosures)
• Leveling feet
• 100 qty. 10-32 mounting hardware
EIA compliant 19” stand-alone / gangable equipment rack shall be Middle Atlantic Products model # ERK-__-__-AV(see chart for available
models). Overall dimensions of rack shall be __”H x __”W x 25”D (refer to chart). Useable height shall be __ rackspaces, useable depth shall
be 23-1/2”. Rack shall be of fully welded construction. Weight capacity shall be 2,500 lbs. ERK shall be finished in a durable black powder
coat. Solid front door and vented, locking and latching rear door and all structural elements shall be finished in a durable black powder coat.
Rack shall come equipped with two pairs of 11-gauge steel rackrail with tapped 10-32 mounting holes in universal EIA spacing, black e-coat
finish and numbered rackspaces. Rack shall include 100 qty. 10-32 mounting screws. Rack shall be equipped with one 3-1/4” vertical lacer
strip Middle Atlantic Products model # LACE-__-OP (refer to chart), four ‘L’ shaped straight and two 4” offset horizontal lacer bars and twelve,
8” Velcro® straps for cable management. The ERK shall have a solid locking rear door standard and solid side panels with vertical slotted vent
pattern at top and bottom with laser knockouts for cable pass-through. Rack shall have feature integrated fan top, Middle Atlantic Products
model # ERK-4FT-285CFM for active thermal management. The ERK-4FT-285CFM shall consist of three 4-1/2” fans and airflow shall be 285
CFM. Rack shall have removable split rear knockout panels with 1/2”, 3/4”, 1” and 1-1/2” electrical knockouts and top BNC knockouts for
UHF/VHF antennae. Grounding and bonding stud shall be 1/4-20 threaded (1 location), bonding stud shall be 10-32 threaded (3 locations).
ERK Series enclosures shall satisfy the 2005 & 2010 Editions of ASCE Standard 7; 2006, 2009 & 2012 editions of the IBC; 2007, 2010 &
2013 editions of the CBC; 2010 editions of the NBC and 2012 edition of the BCBC for use in areas of high seismicity, Occupancy Category IV
facilities. Seismic design force is an assumed Site Class D soil conditions, and top floor or rooftop installations. Design for High Importance or
Post-disaster installation uses an importance factor (Ip or Ie) of 1.5 when used with ERK-Z4 seismic floor anchor bracket. . ERK-__-AV shall
include a high-density thin power distribution and shall be Middle Atlantic Products model # PDT-____-NS with __ outlets and 20 amps (refer
to chart). Thin power distribution shall be ____” long (refer to chart) x 1” deep x 1.9” wide. J-Box shall be 2” deep x 2” wide. Thin power
distribution shall feature __ NEMA 5-20R outlets. Corded power strip includes 20 amp protection and mounting hardware. Corded model shall
be terminated with 10-foot power cord and a NEMA 5-20P plug. PDT Series shall feature a black anodized finish. ERK shall be UL Listed in the
US to UL2416 (NWIN) and Canada to CSA C22.2 No. 60950-1. ERK shall be GREENGUARD Gold Certified. ERK shall be RoHS EU Directive
2002/95/EC and 2011/65/EU compliant. ERK shall be manufactured by an ISO 9001 and ISO 14001 registered company. ERK shall be
warrantied to be free from defects in material or workmanship under normal use and conditions for the lifetime of the product.
Customizable specification clips available at middleatlantic.com
specifications:
ERK-4425-AV
EIA/TIA COMPLIANT
SEISMIC CERTIFIED
2
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3
all dimensions in inches unless otherwise noted [all dimensions in brackets are in millimeters]
ERK Series
basic dimensions
1” [25] & 1-1/2” [38] EKO
1/2” [13] & 3/4” [19] EKO
5/8” [16] dia. KO
22.00 [559]
2.13
[54]
fully adjustable
10-32 threaded
rackrail
front door clearance
(with rackrail in forward-most
position) 1.44 [37] solid/vented
door 1.25 [32] plexi door
3.00 [76]
typical rear
CBA
Four 11/32” dia.
laser knockouts
for ganging on
ERK-35, 40 & 44
laser knockouts
for 4” electrical
tubing on
ERK-35, 40 & 44C
19.25
[489]
2.00 [51]
typical front
1/4 - 20 X 1” [25]
grounding &
bonding stud
(1 place only)
9.80 [249]
1.50 [38]
22.00
[559]
4.80 [122]
ERK-XX20=10.41 [264]
ERK-XX25=15.41 [391]
ERK-XX28=18.41 [468]
bottom view
mounting holes
bottom viewrear view
top view of ERK side
sectional view rear view side view front view
0.41 [10]
(4 places)
E
D
EKO’s
1/2” [13] &
3/4” [19]
1” [25] &
1-1/2” [38
removable EKO plates
Laser knockouts
for 4-1/2” fans
12.00
[305]
1” [25] &
1-1/2” [38] EKO
1.50 [38]
8.41
[2.13]
1.50 [38]
3.44 [87]
1.50 [38]
.78 [20]
5.94 [151]
1/2” [13] dia.
“D” KO
(UHF/VHF
Antenna KO)
6.00
[152]
12.38
[314]
19.50
[495]
3.50
[89]
ERK-XX20=17.93 [456]
ERK-XX25=22.93 [583]
ERK-XX28=25.93 [659]
top view
ERK-18XX / ERK-21XX / ERK-27XX
top view
ERK-35XX / ERK-40XX / ERK-44XX
1.03 [26]
15.52
[394]
20.00
[508]
22.00
[557]
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Part #
A
Overall Height
B
Useable Height
C
Rear Height
D
Overall Depth
E
Bottom Opening Depth Useable Depth
ERK-4428 81.130 [2061] 77.130 [1959] 75.130 [1908] 28.00 [711] 23.25 [591] 26.47 [672]
ERK-4028 74.130 [1883] 70.130 [1781] 68.130 [1731] 28.00 [711] 23.25 [591] 26.47 [672]
ERK-3528 65.380 [1661] 61.380 [1559] 59.380 [1508] 28.00 [711] 23.25 [591] 26.47 [672]
ERK-2728 51.380 [1305] 47.380 [1203] 45.380 [1153] 28.00 [711] 23.25 [591] 26.47 [672]
ERK-2128 40.880 [1038] 36.880 [937] 34.880 [886] 28.00 [711] 23.25 [591] 26.47 [672]
ERK-1828 35.630 [905] 31.630 [803] 29.630 [753] 28.00 [711] 23.25 [591] 26.47 [672]
ERK-4425 81.125 [2061] 77.125 [1959] 75.125 [1908] 25.00 [635] 20.25 [514] 23.47 [596]
ERK-4025 74.125 [1883] 70.125 [1781] 68.125 [1703] 25.00 [635] 20.25 [514] 23.47 [596]
ERK-3525 65.375 [1661] 61.375 [1559] 59.375 [1508] 25.00 [635] 20.25 [514] 23.47 [596]
ERK-2725 51.375 [1305] 47.375 [1203] 45.375 [1153] 25.00 [635] 20.25 [514] 23.47 [596]
ERK-2125 40.875 [1038] 36.875 [937] 34.875 [886] 25.00 [635] 20.25 [514] 23.47 [596]
ERK-1825 35.625 [905] 31.625 [803] 29.625 [752] 25.00 [635] 20.25 [514] 23.47 [596]
ERK-4420 81.125 [2061] 77.125 [1959] 75.125 [1908] 20.00 [508] 15.25 [387] 18.47 [469]
ERK-4020 74.125 [1883] 70.125 [1781] 68.125 [1703] 20.00 [508] 15.25 [387] 18.47 [469]
ERK-3520 65.375 [1661] 61.375 [1559] 59.375 [1508] 20.00 [508] 15.25 [387] 18.47 [469]
ERK-2720 51.375 [1305] 47.375 [1203] 45.375 [1153] 20.00 [508] 15.25 [387] 18.47 [469]
ERK-2120 40.875 [1038] 36.875 [937] 34.875 [886] 20.00 [508] 15.25 [387] 18.47 [469]
ERK-1820 35.625 [905] 31.625 [803] 29.625 [752] 20.00 [508] 15.25 [387] 18.47 [469]
ERK-4425-AV 81.125 [2061] 77.125 [1959] 75.125 [1908] 25.00 [635] 20.25 [514] 23.47 [596]
ERK-4025-AV 74.125 [1883] 70.125 [1781] 68.125 [1703] 25.00 [635] 20.25 [514] 23.47 [596]
ERK-3525-AV 65.375 [1661] 61.375 [1559] 59.375 [1508] 25.00 [635] 20.25 [514] 23.47 [596]
ERK A/V Enclosure Power Distribution
Rack Part # Part # Terminated Circuit Outlets Overall Length Qty
ERK-4025-AV / ERK-3525-AV PDT-1020C-NS 5-20P 20 Amp 10, 5-20R 37.75 [959] 2 26.47 [672]
ERK-4425-AV PDT-2020C-NS 5-20P 20 Amp 20, 5-20R 72.75 [1848] 1 23.47 [596]
ERK A/V Enclosure Vertical Lacer Bar Chart
Part # Lacer Bar # of Rackspaces Width
ERK-4425-AV LACE-44-OP 44 3.25 [83]
ERK-4025-AV LACE-40-OP 40 3.25 [83]
ERK-3525-AV LACE-37-OP 37 3.25 [83]
all dimensions in inches unless otherwise noted [all dimensions in brackets are in millimeters]
ERK Series
basic dimensions
ERK-10FT
accepts
10” fan
ERK-10FT- 550CFM
includes
10” fan
ERK-10FT-FC
includes 10”
fan and
fan controller
ERK-4FT accepts
three 4-1/2” fans
ERK-4FT- 285CFM
includes three
4-1/2” fans
(included in A/V
enclosures)
ERK-4QFT-FC
includes 4-1/2”
quiet fans and fan
controller
ERK-6FT
accepts two
6” fans
ERK-6FT- 440CFM
includes
two 6” fans
ERK-ST
solidERK-LVT
large perf
vent
ERK-VT
slot vent
2X 10-32 bonding stud
top view
(35, 40, and 44 space only)
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all dimensions in inches unless otherwise noted [all dimensions in brackets are in millimeters]
ERK Series
basic dimensions
Part # Rackspaces Overall Height Used On Mounting Location
ERK-44-F-EXT3 44 81.13 [2061] ERK-44XX front
ERK-44-R-EXT3 44 81.13 [2061] ERK-44XX rear
ERK-40-F-EXT3 40 74.13 [1883] ERK-40XX front
ERK-40-R-EXT3 40 74.13 [1883] ERK-40XX rear
3.00 [76]
rear extender
depth
4x bonding point
for rear extender
one on each corner
see detail c
see detail d
front
extender
rear
extende
r
4x bonding point
for frontextender
one on each corner
front extender
rear extender
depth
of rack
21.97 [558]
overall
height
3.00 [76]
rear extender
depth
side viewfront view rear view
detail c
scale 1/8
detail d
scale 1/8
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2.50 [64] 15.00 [64]
.76 [19]
depth of brush
cable panel
.72 [18]
depth of door
10-32 x .5
rear door bonding stud
(1 only as shown)
brush panel for
cables to come
through can be
mounted on top
or bottom
option rear
cable door
front view side view rear view
all dimensions in inches unless otherwise noted [all dimensions in brackets are in millimeters]
ERK Series
basic dimensions
Part # Used On
ERK-RDC18 ERK-18XX
ERK-RDC21 ERK-21XX
ERK-RDC27 ERK-27XX
ERK-RDC35 ERK-35XX
ERK-RDC40 ERK-40XX
ERK-RDC44 ERK-44XX
NOTE: Brush panel can be mounted on top or bottom of rack