Cut Sheet

ManualsBrandsnVent Hoffman ManualsAudioEquipment Rack, Floor Mount, 4 Post, Open Frame, 7'H, 19"W, 45U

Open Frame r acks 4-Post oPen Frame racks

nVent.com/HOFFMANSUBJECT TO CHANGE WITHOUT NOTICEnetwOrking1

Spec-00004 N

4-pOst Open Frame rack

inDUstrY stanDarDs

UL 2416 Listed; File No. E230874

cUL Listed per CSA C22.2 No. 182.4; File No. E230874

EIA 310-D

appLicatiOn

4-Post Open Frame Racks combine the mounting security of a

cabinet with the accessibility of a rack. Used in communication,

server, and telecommunication room applications, these adjustable-

depth racks support deeper, heavier network equipment and can

be ganged with standard 2-post or other 4-post racks to expand

existing systems.

Fe atUr e s

• Depth adjustable 450 mm to 1050 mm (17.7 in. to 41.3 in.) in 25-

mm (.98-in.) increments

• EIA universal 5/8 - 5/8 - 1/2 in. spaced 12-24 tapped holes or .375-

in. square holes t 19-in. rack equipment

• Compatible with 19-in. rack accessories

• Available with nominal frame height of 6, 7 and 8 ft.

• RU markings on both front and back of tapped-hole uprights

make it easier to mount equipment

• Floor mounting holes predrilled at .750-in. diameter

• 12-24 rack mounting screws (pkg. of 20) included with tapped-

hole model

• For square hole model, order screws and cage nuts separately

• Can be ganged with both 2- and 4-Post Open Frame Racks

• Includes complete assembly instructions

• Shipped unassembled for convenient transport to job site

speciFicatiOns

• Uprights on the tapped-hole model are made of lightweight

extruded aluminum (6063-T6 alloy) and include RU markings on

both front and back of uprights

• Uprights on the square-hole model are made from 12 gauge steel

• Top and bottom angles made of extruded aluminum (6063-T6

alloy)

FinisH

Smooth RAL 9005 black polyester powder paint nish or RAL 9003

white polyester powder paint nish

LOaD r ati n g

2500 lb. (1134 kg)

patents

6,655,533 (U.S.A.)

BULLETIN: DOFR4

Standard Product

Catalog Number

AxB mm AxB in.

Mounting

Hole Type Rack Units

Nominal Frame

Height A

Finish

E4DR19FM38U 1829 x 514 72.00 x 20.25 Tapped 38 6 ft. Black

E4DR19FM45U 2134 x 514 84.00 x 20.25 Tapped 45 7 ft. Black

E4WR19FM45U 2134 x 514 84.00 x 20.25 Tapped 45 7 ft. White

E4DRS19FM45U 2134 x 514 84.00 x 20.25 Square 45 7 ft. Black

E4WRS19FM45U 2134 x 514 84.00 x 20.25 Square 45 7 ft. White

E4DR19FM51U 2438 x 514 96.00 x 20.25 Tapped 51 8 ft. Black

E4DRS19FM51U 2438 x 514 96.00 x 20.25 Square 51 8 ft. Black

Summary of content (4 pages)

PAGE 1
Open Frame Racks 4-Post Open Frame Racks 4-POST OPEN FRAME RACK FEATURES • • • • • • • • • • • epth adjustable 450 mm to 1050 mm (17.7 in. to 41.3 in.) in 25D mm (.98-in.) increments EIA universal 5/8 - 5/8 - 1/2 in. spaced 12-24 tapped holes or .375in. square holes fit 19-in. rack equipment Compatible with 19-in. rack accessories Available with nominal frame height of 6, 7 and 8 ft.
PAGE 2
Open Frame Racks 4-Post Open Frame Racks Both tapped and square hole models available (tapped hole model shown) 4-post racks can be ganged with 2-post or other 4-post racks nVent.com/HOFFMAN PH 763.422.
PAGE 3
Open Frame Racks 4-Post Open Frame Racks 4-POST OPEN FRAME RACK HARDWARE KIT Kit consists of (20) .357-16x1.75 carriage bolts; (20) 1/4-20 hex flange nuts; (32) 3/8-16x1.00 hex head screws; (32) 3/8-16 hex nuts; and (32) 3/8 split washers. BULLETIN: DOFRY Standard Product Catalog Number E4PKIT 4-POST OPEN FRAME RACK FRONT-TO-BACK KIT Description 4-Post Open Frame Rack hardware kit Kit consists of (4) depth brackets; (2) adjustable depth brackets; (8) 1/4-20 hex flange nuts; (8) .375-16x1.
PAGE 4
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