Middle Atlantic WRK-24-27 Users Manual

96-052 / rev 4 / 12-12-05 / WRK Series Gangable Enclosure

The WRK Series 19” gangable enclosure
Engineered active thermal management keeps equipment cool

EIA compliant 19” gangable equipment rack shall be Middle Atlantic Products
model # WRK-__-__(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). Fully welded
construction shall provide a 2,500 lb. weight capacity. Rack shall be constructed
of the following materials: top and bottom shall be 14-gauge steel, horizontal
braces shall be 16-gauge steel welded to integral structural side panels of
16-gauge steel giving an 1/8” thick structure, rear door shall be 18-gauge steel,
all structural elements shall be phosphate pre-treated and 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. Rackrail
shall be finished in black e-coat with numbered rackspaces. Top and bottom of
rack shall have a vertical slotted vent pattern. The WRK shall have a solid
locking rear door. Rack shall have a removable rear knockout panel 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 antennas installed in top. Grounding and bonding stud
shall be 1/4-20 threaded, installed in base of enclosure. WRK series racks satisfy
the 1994 UBC Seismic Zone 4 lateral force requirements for protecting 1,000 lbs.
of essential equipment in upper floor installations when used in conjunction with
the WRK-Z4 floor anchor brackets. Rack shall be UL Listed in the US and Canada.
Rack shall be warrantied to be free from defects in material or workmanship
under normal use and conditions for the lifetime of the rack.

OPTIONS

• Front doors shall be 16-gauge reinforced steel, model # FD-XX

(solid), VFD-XX

(vented, 22% open area), LVFD-XX (vented, 68% open area), PFD-XX

(plexi),

PVFD-44 (vented plexi) (XX=# of rackspaces of WRK rack)

• Vented rear doors shall be 16-gauge steel, and available as model # MW-VRD-XX

,

(X=# of rack spaces of WRK rack)

• Removable keylocked side panels shall be constructed of 16-gauge steel with
recessed lift handles, model # SPN-XX-YY (X = # of rackspaces, Y = cabinet depth)

• Top panels, 16-gauge steel, with 3-1/2” service plate in 4 styles - model # MW-ST
(solid), #MW-10FT (10” fan), #MW-4FT (four 4-1/2” fans), #MW-VT (vented),
#MW-LA (accepts 6” & 12” wide cable ladders)

• Caster base, four casters shall have a total weight capacity of 1300 pounds, model

# CBS-WRK-YY (Y= cabinet depth)

• Inner platform base (inset base w/out casters) model # BS-WRK-YY (Y= cabinet
depth)

• Leveling feet model # LF, shall be 3/8” threaded steel, adjustable from top or
bottom, adds 1/4” min. to 1” max. to rack overall height

• Keyless Latch, replaces keylock & fits front & rear doors, model # LATCH

• Lacer strip, heavily perforated, 77" long, 11-gauge steel, model # LACE

• Additional rail kit, 11-gauge, 10-32 threaded, sold in pairs, hardware included,
model # WRK-RRXX (X= # of rackspaces)

• Seismic Zone-4 compliancy floor anchor kit, model # WRK-Z4

• AXS slide out option available (See AXS Spec sheet 96-052S)

WRK-44-32

96-052G / rev 4 / 12-12-05

Features

Architects’ and Engineers’ Specifications

WRK Series Enclosure

• 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 WRK-Z4 option) with an IP value of 1.5

• 24-1/4” OD width, available 27-1/2” or 32-1/2” OD depth

• 1/2”, 3/4”, 1” & 1-1/2” electrical knockouts on rear plates
top & bottom, easily removable for cable pass-through, top
plate additionally includes UHF / VHF knockouts

• 2 extra-wide pairs of 11-gauge 10-32 threaded
rackrail with numbered rackspace increments

• Keylocked solid rear door standard, optional vented rear
doors available

• Optional solid, fully vented, plexiglass & vented plexi front
doors available

• Open top with configurable top panel options

• Durable black textured powder coat finish

Enclosure Accessories
ADDITIONAL RACKRAIL KIT
CASTER BASE
COPPER BUSS BAR
CRATING SERVICE
DOCUMENT POCKET
DOOR LATCH
GANGING HARDWARE
INNER PLATFORM BASE
LEVELING FEET
TOUCH-UP PAINT
SEISMIC FLOOR ANCHOR BRACKETS
CONFIGURABLE TOPS
TOP RAILS
UNIVERSAL FRONT DOORS
UNIVERSAL VENTED REAR DOORS
for details - see Master Catalog or
visit www.middleatlantic.com

middleatlantic.com

Middle Atlantic Products, Inc.

Engineered Mounting Solutions

US: New Jersey • California • Illinois • Voice: 973-839-1011 Fax: [phone] • middleatlantic.com

Canada: Ontario • British Columbia • Voice: 613-836-2501 Fax: [phone] • middleatlantic.ca

electronic version available at middleatlantic.com

EIA

Compliant

SEISMIC CERTIFIED

WRK basic dimensions

WRK top options

MW-10FT / MW-10FT-FC* MW-4FT / MW-4QFT-FC*

MW-ST MW-VT

removable EKO plate

REAR VIEW, TOP & BOTTOM

TOP VIEW

BOTTOM VIEW

SIDE VIEW

FRONT VIEW

REAR VIEW

removable plate removable plate

laser knockouts configurable -

one to four 4-1/2” fans

removable plate

removable plate opening

accommodates 2 space panel

(

)

removable plate

2.19 [56]

2.19 [56]

4.41

[112]

1.72 [43.69]

24.25 [615.9]

2.13

[514]

8.41

[214]

1.50 [38]

5/8” [16] dia. KO for
UHF/VHF Antenna

1/2” [13] & 3/4” [19]
EKO

1” [25] & 1-1/2”
[38] EKO

22.88
[581]

1.5 [38]

19.50
[495]

24.25
[616]

C

D

21.13
[537]

1/4 - 20 x 1” [25.40] grounding
and bonding stud (1 place
only)

A B C D

OVERALL USEABLE OVERALL BASE

Part # HEIGHT HEIGHT DEPTH OPENING DEPTH
WRK-44-27 83-1/8 [2111] 77-1/8 [1959] 27-1/8 [701.7] 24-1/2 [622.3]
WRK-40-27 76-1/8 [1934] 70-1/8 [1781] 27-1/8 [701.7] 24-1/2 [622.3]
WRK-37-27 70-7/8 [1800] 64-7/8 [1648] 27-1/8 [701.7] 24-1/2 [622.3]
WRK-24-27 48-1/8 [1222] 42-1/8 [1070] 27-1/8 [701.7] 24-1/2 [622.3]
WRK-44-32 83-1/8 [2111] 77-1/8 [1959] 32-1/8 [828.7] 29-1/2 [749.3]
WRK-40-32 76-1/8 [1934] 70-1/8 [1781] 32-1/8 [828.7] 29-1/2 [749.3]
WRK-37-32 70-7/8 [1800] 64-7/8 [1648] 32-1/8 [828.7] 29-1/2 [749.3]
WRK-24-32 48-1/8 [1222] 42-1/8 [1070] 32-1/8 [828.7] 29-1/2 [749.3]

BA

FLOOR MOUNTING

LOCATIONS

19.40
[492]

2.44 [62]

O 0.437 [11]

- 8X

/

WRK-XX-27=22.75 [578]
WRK-XX-32=27.75 [705]

WRK-XX-27=25.75 [654]
WRK-XX-32=30.75 [781]

.94
[24]

22.38
[568]

3.00 [76]

REAR

FRONT

opening

for 10” fan

C

front rail
setback
.75 [19]

TOP SIDE SECTIONAL VIEW

US: New Jersey • California • Illinois • Voice: 973-839-1011 Fax: [phone] • middleatlantic.com

Canada: Ontario • British Columbia • Voice: 613-836-2501 Fax: [phone] • middleatlantic.ca

Middle Atlantic Products, Inc.

MW-LA

17.50
[444]

14.10
[359]

All dimensions in inches unless otherwise noted [All dimensions in brackets are in millimeters]

* Includes fans and thermostatic fan control

17.75 [451]