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Black metal rail kit for 42U 600mm rack, adjustable depth, square holes, powder coat finish

APC

APC AR7503 42U NetShelter SX 600mm Recessed Rail Kit

SKU CH-7Y8D-KMM81 MPN AR7503

Recessed rail kit fits 42U, 600 mm wide NetShelter SX enclosures and adjusts mounting depth for mixed networking and server equipment

  • Rack height42U
  • Product dimensions39.55 in × 2.87 in × 2.33 in
  • Product weight8 lb (3.63 kg)
  • Product typeRack Rails
  • Product colorBlack
  • Key featuresEnables users to mount equipment with different depths in a
  • Mount equipment at varying depths in a 42U, 600 mm wide enclosure
  • Adjustable mounting depth fits networking and server gear in the same rack
  • Square-hole vertical rails simplify installation with included mounting hardware
  • Powder-coat finish protects rails from wear in a 39.55" height profile
  • Lightweight 8.00 lb kit adds strength without excess load to the enclosure

Recessed Rail Kit for 42U Enclosures

This rail kit fits a 42U, 600 mm wide NetShelter SX enclosure and provides adjustable mounting depth. It enables users to install networking and server equipment with different depths in the same rack. The kit includes mounting hardware and an installation guide for straightforward assembly.

Powder-Coat Finish and Square-Hole Rails

Vertical mounting rails feature square holes and a black powder-coat paint finish. The unit measures 39.55 inches by 2.87 inches by 2.33 inches and weighs 8.00 lbs. Construction meets RoHS and China RoHS environmental compliance standards.

Included Hardware and Documentation

The package supplies rack mounting hardware and a printed installation guide. These items allow immediate installation without sourcing additional fasteners or instructions. No software or electronic accessories are bundled with this mechanical rail kit.

How it compares

Measured against everything we stock in Rack Cabinets & Shelves, at today’s prices. Recalculated every night.

Price $167.99
Pricier than about 63% of the 2,764 comparable items (median $106.99).

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Specifications

Product
Brand nameAPC
Model nameAR7503
Product typeRack Rails
Product colorBlack
Size & build
Rack height42U
Product dimensions39.55 in × 2.87 in × 2.33 in
Product weight8 lb (3.63 kg)
Shipping weight7.26 kg
Package size1156 × 127 × 102 mm

Questions about this item

How do I install the AR7503 recessed rail kit in a 42U NetShelter SX 600 mm enclosure, and which step is commonly missed?

Align the square-hole vertical rails to the 42U frame, secure the included mounting hardware, then set the adjustable mounting depth before tightening — skipping the depth setting is the step most often missed.

What maintenance or replacement will the AR7503 rail kit need over time?

The powder coat finish resists corrosion; periodically check that mounting screws remain tight and inspect rails for bending — no scheduled replacement parts are required.

What limit appears first when the AR7503 rails are under sustained heavy equipment loads?

The 8.00 lb rail weight and 2.33 in depth profile define the structural envelope; sustained loads that exceed the rack's rated capacity will show deflection at the adjustable mounting points first.

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