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Hammond Manufacturing C4

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The C4 features a fully-welded 14-gauge steel frame with heavy-duty struts contributing to a weight-load rating of 2000lbs. With a standard-an available depth of up to 42”, the C4 series can support deep server dimensions while providing ample space for cable management. Cable Management - The 30” wide C4 has generous cabling space, four (3.5” wide) cable entry holes on the top, support for up to four (4) optional 4”-deep vertical cable managers, and an open base for easy cable access from raised-tile sub-floors. Create your own custom assembly using our C4 frame and choice of accessories below.

For a stock pre-assembled version see our C4RR series or build your own with Q-Assembly.


  • Up to 30" OD width provides wider internal cabling space around rack mounted equipment.
  • Cabinet depths available in 31.5”, 36”, 42” and 48” OD depth. 48” is available by special order only.
  • Up to 83.5" OD height allows for easy movement through most doorways.
  • Fully welded 14 gauge steel frame with reinforced corners provides:
  •   Suggested weight-load capacity: 2,000 lbs
  •   Seismic Certified load capacity: 1,000 lbs
  • The seismic loading of the C4 cabinet was determined in accordance with the Uniform Building Code 1997 (UBC 97) for Seismic Zone 4 when used with part number C4K-Z4 - floor bolt down kit.
  • Standard 19" EIA panel rails can be factory installed or shipped loose.
  • Open bottom for cable access can be covered with optional bottom panel.
  • Four (4) 3.5" cable entry holes (with covers) in top for cable access (Available for 30" wide models only).
  • Four (4) levelling feet are included (factory installed) within the base of the cabinet framer. Frame also includes provisions for optional casters (sold separately).
  • Studs provided on frame as well as side panels and doors for proper grounding and bonding.
  • Finished in rugged textured powder coat paint.