OBO Bettermann 2003706 Windproof Cavity Wall Device Box 60x46mm, 25 Pack

Electrical installations in cavity walls often suffer from air leakage, which can compromise insulation and lead to draughts. The OBO Bettermann 2003706 device box is engineered to seal against wind, ensuring an airtight fit for flush-mounted sockets and switches in hollow walls.

Who is it for

Electricians and contractors who need a reliable, windproof junction box for cavity wall installations in residential or commercial buildings. It suits projects where airtightness is critical for energy efficiency and comfort.

Main features

• Windproof construction prevents air infiltration through the wall cavity.
• Flush-mounted design for a clean, professional finish.
• Made from halogen-free plastic for enhanced safety in case of fire.
• Glow-wire tested at 850 °C for flame retardancy.
• Eight combination cable entries: four M20 and four M25 knockouts.
• With screw domes for secure device attachment.
• Orange colour for easy identification on site.
• Pack of 25 pieces for efficient project supply.

Specifications

• Product type: Cavity wall device box
• Outer diameter: 60 mm
• Installation depth: 46 mm
• Suitable wall thickness: 7 - 35 mm
• Number of cable entries: 8 (4x M20, 4x M25)
• Material: Halogen-free plastic
• Protection class: IP30
• Standard: DIN EN 60670-1, DIN EN 60670-22
• Pack quantity: 25 pieces

Tips

For best results, pair this box with a suitable cavity wall mounting frame. Ensure the wall opening is cut to the correct diameter and depth before installation. The orange colour helps quick identification during inspection.