What are the dimensions of a 12-channel distribution box

A typical 12-channel distribution box, such as the Marshal MDB-12F, measures 250 mm (L) x 190 mm (W) x 85 mm (H).Standard DimensionsFor many 12-channel distribution boxes used in electrical installati...

What are the dimensions of a 12-channel distribution box

A typical 12-channel distribution box, such as the Marshal MDB-12F, measures 250 mm (L) x 190 mm (W) x 85 mm (H).

Standard Dimensions

For many 12-channel distribution boxes used in electrical installations:

  • Length (L): 250 mm
  • Width (W): 190 mm
  • Height (H): 85 mm
  • Material: Metal body with ABS and transparent PC fire-retardant cover
  • IP Rating: IP40, suitable for indoor use
  • Body Thickness: 1.0–1.2 mm These dimensions are typical for flush-mounted MCB distribution boxes with 12 ways and bus bars, providing enough space for wiring, circuit breakers, and safety features .

Variations and Considerations

  • Weight: Depending on the material and internal components, a 12-channel box can weigh around 12 kg for robust metal enclosures .
  • Power Handling: Some models support up to 6 kW per channel with three-phase AC380V input, while DMX-controlled versions for stage lighting may handle 4 kW per channel .
  • Customization: Manufacturers like SX Power Case offer customizable 12-channel boxes to meet specific project requirements, including brand labeling, additional circuit options, or modified dimensions .

Installation Notes

  • Ensure adequate clearance around the box for wiring and ventilation.
  • Verify the IP rating and material suitability for the intended environment.
  • Check compatibility with mounting surfaces and available space, especially for flush-mounted designs. These dimensions provide a reliable reference for planning installations, selecting compatible enclosures, or comparing different 12-channel distribution box models.
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