3RR-4U30-25B…4U-30 in Deep Removable Shock Rack Case


Interior Width: 19.00 in  (48.26 cm)Interior Height: 7.00 in  (17.78 cm) Rackable Depth: 30.00 in  (76.20 cm) Weight: 66.6 lbs.

SKB’s 30 inch 3RR Series Removable Shock Rack Cases are available in 3 sizes, 3U, 4U, and 5U.
Molded of Medium Density Polyethylene plastic the cases includes 8 elastomeric shock absorbers which allows for a standard payload range of 40 to 150 pounds. Optional extended payload range of 160 to 300 pounds can be accommodated as a special order option. These 3RR Series Removable Racks are 30” deep from rail to rail with a standard 19” rack width per ANSI/EIA-310-C specification and feature square-hole rack rails to accommodate either #10-32 US standard, or 6mm International standard cage nuts which are supplied with the cases. Cases have a 2 inch deep front lid and a 5 inch deep rear lid.

Standard color is Black.

SKU: 3RR-4U30-25B Categories: , Brand:


  • Completely removable frame for access to bench integration
  • Meets or Exceeds MIL-STD 810G
  • Standard payload range 40 to 150 lbs
  • .optional extended payload range 160 to 300 lbs.
  • Standard 19” Rack width per ANSI/EIA-310-C
  • Standard Rack depth 30” rail to rail,
  • Square hold rack rails to accommodate either #10-32 US standard, or 6mm international standard cage nuts
  • 2” front lid, and 5” rear lid with edge casters standard, other options available
  • SKB’s Rugged roto-molded shell ensures industry leading strength and impact resistance
  • Molded in stacking ribs and lugs are designed to stack with competitive manufacturers cases
  • Black powder coated stainless steel hardware (standard) which are recessed for protection
  • 8 comfort grip spring loaded lift handles
  • Automatic pressure relief valve (standard)
  • Lid hangars (standard)
  • Case coupling straps (standard)
  • IP67 Certified for protection of dust ingression and water submersion (1 meter submersion for 30 minutes)

Additional information

Weight 71 lbs
Dimensions 46 × 25 × 14 in