Dimensions of Double-Row Distribution Box
Double-row distribution boxes typically range from 400–530 mm in width, 530–600 mm in height, and 117–150 mm in depth, with port diameters of 75 mm and main spigots of 160–200 mm depending on the application.
Electrical Distribution Boxes
For electrical applications, double-row distribution boards such as the Acti9 Disbo 32-way, 125A have dimensions of 400 mm (W) x 530 mm (H) x 117 mm (D), with a flush-mounted design and two rows for circuit breakers . Another example, the DBSeT 32-way, 100A surface-mount board, has similar dimensions and two rows, with a depth of 117–120 mm, height around 530 mm, and width 400 mm . These enclosures are typically made of electro-galvanized or painted steel, with IP40–IP41 protection ratings.
Ventilation Distribution Boxes
For ventilation systems, double-row distribution boxes are designed for air distribution and are made of galvanized or stainless steel. They feature Ø75 mm ports arranged in two rows, with a main spigot diameter of Ø160 mm or Ø200 mm . The number of ports can range from 6 to 16, and the boxes are compact enough for installation in ceilings, walls, suspended ceilings, or underfloor spaces. The exact width, height, and depth vary by manufacturer but are generally designed to accommodate the port layout while maintaining even air distribution.
Summary
- Width: 400–530 mm (electrical), varies for ventilation depending on port configuration
- Height: 530–600 mm (electrical), varies for ventilation
- Depth: 117–150 mm (electrical), ventilation boxes may be deeper depending on spigot placement
- Port diameters: Ø75 mm for secondary ports, Ø160–200 mm for main spigot (ventilation)
- Material: Galvanized steel, stainless steel, or electro-galvanized steel
- Mounting: Flush or surface mount for electrical boxes; ceiling, wall, or floor installation for ventilation boxes These dimensions provide a reliable reference for selecting or installing double-row distribution boxes in both electrical and HVAC applications.
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