SP300 & SP301 Series Surface Backboxes

Surface mount stainless steel bezel backbox designed to fit standard SP300 / SP301 sizes.  Containing M5 lock nuts and 20mm knockouts for cable routing. Available to fit the following panel sizes:

  • 140mm (w) x 280mm (h)
  • 140mm (w) x 400mm (h)
  • 140mm (w) x 480mm (h)
  • 140mm (w) x 580mm (h)

Backboxes can be made to custom sizes to fit non standard panel dimensions if required.


  • Surface mount backbox with rainshield
  • Cable knock out
  • M5 lock nut fixings
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  • Panel size: 140mm x 280mm
    Backbox size: 144mm x 284mm x 100mm
  • Panel size: 140mm x 400mm
    Backbox size: 144mm x 404mm x 100mm
  • Panel size: 140mm x 480mm
    Backbox size: 144mm x 484mm x 100mm
  • Panel size: 140mm x 580mm
    Backbox size: 144mm x 584mm x 100mm
  • VRDSB140x280 – For 140mm x 280mm panel
  • VRDSB140x400 – For 140mm x 400mm panel
  • VRDSB140x480 – For 140mm x 480mm panel
  • VRDSB140x580 – For 140mm x 580mm panel