Kaiser Betonbau B1 Device Box 1255-01 2-Part Flush-Mounted Concrete Box Installation Opening Ø 60 mm

The Kaiser Betonbau B1 Device Box 1255-01 is a high-quality, two-part flush-mounted box specifically designed for use in fair-faced and exposed concrete construction. Manufactured from halogen-free, flame-retardant plastic (B1 classification), this device box ensures safe and reliable installation of standard electrical inserts such as switches and sockets. With an installation opening diameter of 60 mm and a box depth of 61 mm, it provides ample space for wiring and connections. The box features multiple pre-punched conduit entries compatible with M20 and M25 conduits, integrated cable retention, and the ability to combine multiple boxes for multi-gang installations. Ideal for professional concrete construction projects where fire safety and durability are paramount.

Advantages

Flame-retardant B1 classification for enhanced fire safety; halogen-free material reduces toxic smoke emissions; two-part design allows easy installation and adjustment; integrated cable retention ensures secure wiring; connectable for multi-gang combinations; suitable for exposed concrete surfaces without additional finishing.

Suitable for

• Flush-mounted installation in fair-faced concrete walls and ceilings
• Exposed concrete construction where aesthetic appearance is required
• Commercial and residential buildings requiring fire-rated electrical installations
• Multi-gang switch and socket combinations

Key specifications

• Product Type: Device Box
• Installation Method: Flush-mounted
• Construction Type: Concrete (Betonbau)
• Design: Two-part (base and front part)
• Mounting Opening Diameter: 60 mm
• Box Depth: 61 mm
• Material: Halogen-free plastic
• Fire Protection Class: B1 (flame-retardant)
• Conduit Entries: Multiple, pre-punched
• Conduit Compatibility: M20 / M25
• Application Area: Fair-faced concrete, exposed concrete
• Compatibility: Standard electrical inserts (switches, sockets)
• Temperature Range (Operation): -5°C to +60°C
• Protection Degree (Empty Box): IP20
• Cable Retention: Integrated
• Combination Mounting: Yes, connectable for multiple installations

Recommendations

For optimal performance, use with Kaiser concrete installation accessories and ensure proper sealing against concrete ingress. Always follow local electrical codes and regulations.