SmartRack SR4POST50HD - Server rack Tripp Lite - Free user manual and instructions

Product Type	4-Post Open Frame Server Rack
Brand	Tripp Lite
Model	SmartRack SR4POST50HD
Rack Height	50 inches (127 cm) — approximately 28U
Rack Width	19 inches (48.26 cm) standard
Depth	Adjustable; typical range 24–36 inches (61–91 cm)
Material	Heavy-duty steel
Weight Capacity	Up to 2000 lbs (907 kg) static load
Color	Black
Mounting Hardware	M10 acorn nuts, M10 flat washers, M6x12 Phillips head screws, M6x16mm hex head screws, M6 hex nuts, M6 flat washers
Optional Accessories	SRCASTER caster kit, side panels (sold separately)
PDU Bracket	Included (2 brackets for vertical PDU mounting)
Assembly	Required; includes step-by-step instructions
Tools Required	Phillips head screwdriver, 16 mm open-end wrench
Warranty	5-year limited warranty
Maintenance	Wipe with a dry or slightly damp cloth; do not use abrasive cleaners
Safety Warning	Extremely heavy; use assistance during assembly. Secure on level surface before loading equipment.
Country of Origin	Designed in USA; manufactured in China (typical)

Frequently Asked Questions - SmartRack SR4POST50HD Tripp Lite

What is the height of the SR4POST50HD rack in rack units (U)?

The rack height is 50 inches, which is approximately 28U (1U = 1.75 inches). However, it is an open frame rack with adjustable mounting positions, so you can install equipment at any vertical location.

What tools are required for assembly?

You will need a Phillips head screwdriver and a 16 mm open-end wrench. All mounting hardware (acorn nuts, washers, screws) is included.

Can I install casters on this rack?

Yes, you can optionally install casters using the Tripp Lite Heavy-Duty Rolling Caster Kit (SRCASTER), sold separately. Do not install casters with equipment already in the rack.

What is the maximum weight capacity of the SR4POST50HD?

The rack has a heavy-duty steel construction rated for a static load of up to 2000 lbs (907 kg) when properly assembled and placed on a level surface.

Are side panels available for this rack?

Yes, side panels are available as an optional accessory (sold separately). They can be attached to enclose the rack for added security or airflow management.

How do I attach a PDU (Power Distribution Unit)?

The rack includes PDU brackets that mount vertically on the rear uprights. Use the included M6 screws to secure the PDU to the brackets. Refer to step 8 of the instructions.

Is this rack compatible with standard 19-inch equipment?

Yes, the front and rear uprights are spaced at the standard 19-inch width and have square or threaded mounting holes compatible with most server and network equipment.

What is the warranty period for the SR4POST50HD?

Tripp Lite provides a 5-year limited warranty covering defects in material and workmanship. Register your product at www.tripplite.com/warranty for quicker service.

Can I install equipment without assembling the rack first?

No, you must fully assemble and stabilize the rack on a level surface before installing any equipment. The rack is extremely heavy and prone to tipping if not properly assembled.

How do I clean and maintain the rack?

Use a dry or slightly damp cloth to wipe the steel surfaces. Do not use abrasive cleaners or solvents. Periodically check and tighten all hardware to ensure stability.

USER MANUAL SmartRack SR4POST50HD Tripp Lite

Assembly Instructions

SmartRack® 4-Post

Heavy-Duty Open Frame Racks

Models: SR4POST48HD, SR4POST50HD, SR4POST52HD, SR4POST58HD

Technical line drawing of a rectangular metal frame structure with bolt holes and internal ribs (no text or symbols)

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Parts List

Technical line drawings of five different mechanical or electrical components, including vertical and rectangular panels with mounting holes (no text or symbols)

ABCDEF

Front Upright Rear Upright Top Flange Base Flange Horizontal Beam PDU Bracket

x2

x2

x2

x2

x4

x2

GHI

M10 Acorn Nut M10 Flat Washer M6x12 Phillips Head Screw

x16

x16

x4

SRCASTER Kit (Optional, Sold Separately)

JKL

M6x16mm Hex Head Screw

M

M6 Hex Nut M6 Flat Washer Caster

x16

x16

x32

x4

Required tools (User Supplied):

• Phillips Head Screwdriver
• 16 mm Open End Wrench

WARNING: The rack enclosure is extremely heavy. Do not attempt to unpack, move, assemble or install the enclosure without assistance. Until it has been properly assembled and stabilized, the enclosure is prone to tipping and could cause property damage and/or personal injury. Use extreme caution when assembling the enclosure. Do not attempt to install equipment without first stabilizing the enclosure.

step

1

Lay out parts on the floor or a stable work surface and assemble as shown.

Two vertical cylindrical objects labeled A and B, each with a textured surface and a numbered label 1 below (no text or symbols on the objects themselves)

Technical line drawing of a rectangular frame with internal components and an inset close-up showing a detail (no text or symbols)

step

2

Attach the washers and acorn nuts, but leave them loose. This will allow the unit to flex later in the assembly process.

Technical line drawing of a structural frame with mounting brackets and bolt holes (no text or symbols)

step

Attach the washers and acorn nuts, but leave them loose.

2

4

4

Technical line drawing of a structural frame with two vertical supports and a central support beam, showing alignment and assembly details (no text or symbols)

step

2

Technical line drawing of a structural frame assembly with mounting brackets and a magnified inset showing internal components (no text or symbols)

step

5

Lay rear upright on the unit. Pull apart the base flange and horizontal beam 1. Align the holes at the end of the upright with the studs in the horizontal beam and push the upright onto the beam 2. Push the base flange and horizontal beam back together.

Two vertical diagrams labeled A and B, each showing a rod or wire inside a larger frame (no text or symbols present)

Repeat this process for the other end of the upright.

step

6

Attach the washers and acorn nuts, but leave them loose.

4

4

Technical line drawing of a structural frame with mounting holes and internal ribs (no text or symbols)

Repeat steps 5 & 6 to attach front upright.

step

Using an open end wrench (user-supplied), tighten all acorn nuts firmly. Place the rack upright on a level surface and confirm it's stable.

Technical line drawing of a mechanical frame structure with a wrench and dimension label 'x16' (no text or symbols on the diagram itself)

step

(Optional)

Attach PDU Brackets

2

4

step

(Optional)

Attach Casters

Warning: Do not attempt to install casters while equipment is installed in the rack.

Note:

Installation requires

Tripp Lite's Heavy-

Duty Rolling Caster

Kit (model SRCASTER, sold separately)

16

16

32

4

Technical line drawing of a mechanical assembly with mounting brackets and fasteners (no text or symbols)

Configuration 1 Configuration 2

Technical line drawing of a mechanical assembly with circular components and a base mount (no text or symbols)

Simple line drawing of a door with wheels and a triangular object on top (no text or symbols)

step

(Optional)

Attach Side Panels (sold separately)

Warranty and Product Registration

5-Year Limited Warranty

Seller warrants this product, if used in accordance with all applicable instructions, to be free from original defects in material and workmanship for a period of 5 years from the date of initial purchase. If the product should prove defective in material or workmanship within that period, Seller will repair or replace the product, in its sole discretion.

THIS WARRANTY DOES NOT APPLY TO NORMAL WEAR OR TO DAMAGE RESULTING FROM ACCIDENT, MISUSE, ABUSE OR NEGLECT. SELLER MAKES NO EXPRESS WARRANTIES OTHER THAN THE WARRANTY EXPRESSLY SET FORTH HEREIN. EXCEPT TO THE EXTENT PROHIBITED BY APPLICABLE LAW, ALL IMPLIED WARRANTIES, INCLUDING ALL WARRANTIES OF MERCHANTABILITY OR FITNESS, ARE LIMITED IN DURATION TO THE WARRANTY PERIOD SET FORTH ABOVE; AND THIS WARRANTY EXPRESSLY EXCLUDES ALL INCIDENTAL AND CONSEQUENTIAL DAMAGES. (Some states do not allow limitations on how long an implied warranty lasts, and some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights, and you may have other rights which vary from jurisdiction to jurisdiction).

WARNING: The individual user should take care to determine prior to use whether this device is suitable, adequate or safe for the use intended. Since individual applications are subject to great variation, the manufacturer makes no representation or warranty as to the suitability or fitness of these devices for any specific application.

Product Registration

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Tripp Lite follows a policy of continuous improvement. Product specifications are subject to change without notice.

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1111 West 35th Street, Chicago, IL 60609 USA • www.tripplite.com/support