What are the dimensions of the APZ main distribution box

Standard APZ distribution boxes typically range from 578 x 339 x 99 mm up to 1050–1350 mm in height, depending on manufacturer and application.

Typical Dimensions

• Striebel & John AK636APZ: Height 578 mm, Width 339 mm, Depth 99 mm; designed for 36 module units with mounting options on top, bottom, and sides, suitable for indoor surface mounting, IP30 protection, and thermoplastic housing .
• Hager APZ Fields: For multi-family residential applications, new APZ fields are offered in heights of 1050 mm and 1350 mm, with the APZ positioned at the top and busbars at the bottom. These configurations comply with updated DIN VDE 0603-2-1 and VDE-AR-N 4100 requirements .

Key Considerations

• Mounting: APZ boxes can be mounted on walls (surface-mounted) or integrated into meter cabinets, with cable entry from top, bottom, or sides .
• Standards Compliance: APZ boxes follow DIN 43871, DIN EN 60670-24, and VDE 0606-24 standards, ensuring safety and compatibility with electrical installations .
• Module Units and Accessories: Depending on the model, APZ boxes can accommodate multiple module units (e.g., 36 units for Striebel & John) and include features like removable device carriers, integrated cable retention, and provision for N/PE connections .
• Application in Multi-Meter Installations: APZ boxes are often used in multi-meter setups, with space for additional RfZ (residual current or auxiliary) applications, ensuring compliance with modern installation rules .

Summary

APZ distribution boxes vary in size depending on the manufacturer and intended application. Smaller units like the Striebel & John AK636APZ measure 578 x 339 x 99 mm, while larger Hager APZ fields for multi-family buildings range from 1050 mm to 1350 mm in height, with widths and depths adjusted to accommodate busbars and additional modules. Always ensure the selected APZ box complies with DIN and VDE standards and fits the intended installation environment.