Dimensions of a 52-position distribution box

A 52-position distribution box typically measures approximately 1200–1400 mm in height, 600–800 mm in width, and 150–250 mm in depth, depending on the manufacturer and model.

Typical Dimensions and Layout

Distribution boxes are modular, and their size scales with the number of positions (ways) they support. Based on standard industrial and commercial designs:

• Height: 1200–1400 mm
• Width: 600–800 mm
• Depth: 150–250 mm These dimensions allow sufficient space for mounting 52 modular circuit breakers or MCBs, busbars, and wiring channels. The exact height and width depend on the spacing between rows and the type of breakers used .

Mounting and Installation Considerations

• Mounting studs and nuts: Most large distribution boxes include adjustable mounting studs for easy installation and removal of the internal pan assembly .
• Cable entry: Top and bottom gland plates are usually removable to accommodate incoming and outgoing cables. Standard cable lengths range from 1 m to 10 m for pre-wired configurations .
• Safety and protection: Boxes are often rated IP65–IP67 for dust and water resistance, with shrouded busbars and terminals to prevent accidental contact .

Practical Notes

• If the box is intended for industrial automation or robotics, ensure compatibility with M8, M12, or M16 connectors and check for pre-wired or custom configurations .
• For residential or commercial applications, modular DIN rail components and MCB spacing will influence the final dimensions .
• Always verify the manufacturer's datasheet for the exact 52-position model, as dimensions can vary slightly between brands and series. By considering these typical ranges and installation features, you can plan space allocation and ensure proper fit for a 52-position distribution box in your electrical setup.