5WG1258-7EB11 AP258E11 Surface Mount Box Type B for UP/258 White
The 5WG12587EB11 (AP 258E11) is a surface mounting box Type B designed to convert UP 258 KNX presence detectors (D31, D41, D51) from flush-mount to surface-mount installation. When structural constraints prevent back-box cavity installation, the AP 258E11 provides a clean, finished housing that secures the UP 258 detector directly on wall or ceiling surfaces.
The white finish (EB11) provides a neutral, unobtrusive appearance suited for corridors, utility rooms, and retrofit projects. Supplied pre-formed with cable entry points and mounting provisions compatible with the DELTA program detector footprint.
| Product type | Surface mounting box (accessory for UP 258 detectors) |
| Compatible devices | UP 258 D31, UP 258 D41, UP 258 D51 presence detectors |
| Box type | Type B |
| Mounting method | Surface mount - wall or ceiling, screw fixing |
| Material | Thermoplastic (flame-retardant) |
| Cable entry | Knock-out cable entry points on base |
| Finish / color | White - EB11 |
| DELTA compatible | Yes - fits DELTA program switch frame footprint |
| Application | Retrofit & surface-mount installations of UP 258 detectors |
| Certifications | CE |
Ideal for retrofit projects in existing buildings where no back box is accessible, or in areas with solid concrete/masonry walls that prevent flush installation. The AP 258E11 enables UP 258 presence detectors to be mounted on any flat surface, maintaining a professional appearance.
- Corridors and hallways
- Plant rooms and utility spaces
- Server rooms and data centers
- Temporary facilities and modular buildings
Compatible with standard KNX installation practices - the detector bus connection is made inside the box using the existing bus cable, with no additional wiring tools required.
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