Hoffman E4DR19FM51U | 4-Post Open Frame Rack, 96.00x20.25, 51U, Black, Aluminum, Tapped

4-Post Open Frame Racks combine the mounting security of a cabinet with the accessibility of a rack. Used in communication data center 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.

Main Features

• Depth adjustable 450 mm to 1050 mm (17.7 inch to 41.3 inch) in 25-mm (.98-inch) increments
• EIA universal 5/8 - 5/8 - 1/2 inch spaced 12-24 tapped holes or .375-inch square holes fit 19-inch rack equipment
• Compatible with 19-in. rack accessories
• Available with nominal frame height of 6, 7 and 8 feet
• RU markings on both front and back of tapped-hole uprights make it easier to mount equipment
• Floor mounting holes predrilled at .750-inch 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
• 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)

Industry Standards

• UL 2416 Listed; File No. E230874
• cUL Listed per CSA C22.2 No. 182.4; File No. E230874
• EIA 310-D

Related Accessories

• Catalog #: E4PKIT
• Catalog #: E4FBKIT
• Catalog #: P19SH68
• Catalog #: P19SH68B
• Catalog #: P19VSH68B
• Catalog #: P19SH810
• Catalog #: P19SH810B
• Catalog #: P19VSH810B

Specifications

Height	96 in / 2438 mm
Width	20.25 in / 514 mm
Material	Aluminum
Mounting Hole Type	Tapped
Rack Units	51
Nominal Frame Height	8 ft
Color	Jet Black
Color Code	RAL 9005
Finish	Powder Coated
Thickness	0.14 ga / 3.5 mm
Weight	72 lb
BULLETIN NUMBER	DOFR4

Documents and Downloads

Hoffman E4DR19FM51U CE-00050	Click to View
Hoffman E4DR19FM51U Declaration of Compliance	Click to View
Hoffman E4DR19FM51U CERT-00137	Click to View
Hoffman E4DR19FM51U 4-Post Open Frame Rack Instruction Manual	Click to View
Hoffman E4DR19FM51U Data Sheet	Click to View