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Optimal Safety with the Protection Grid TRA 400
The Protection Grid TRA 400 is a high-quality solution for the external installation of wall fans, designed according to the standard DIN 31001. This grid effectively protects the rotor from unauthorized access, ensuring greater safety in your environment. It is essential to consider the nominal width of the fan to select the correct variant. The Protection Grid TRA 400 is ideally suited for installation on exterior walls and is one of the many variants we offer, including the popular Protection Grid TRA 250.
The main differences between the variants lie in the nominal width, which varies by model. While the TRA 250 has a nominal width of 250 mm, the TRA 400 has a nominal width of 400 mm, making it suitable for larger fans. Here is an overview of the similarities and differences between the variants:
- Standard-compliant installation: All protection grids are designed according to DIN 31001.
- Material: All variants are made of galvanized steel and coated in hammer-gray.
- Holes: Each grid has 4 holes for easy installation.
- Maximum speed: All models are designed for a maximum speed of 2250 RPM.
- Areas of application: Suitable for wall fans of the EQ, MP, E, and CA-W series.
In addition to the aforementioned variants, the following sizes are available: TRA 300, TRA 350, TRA 500, and TRA 600. The choice of the appropriate protection grid depends on the size of your wall fan and the specific requirements of your application area.
| Property | Value |
| Nominal width (NW) | 400 |
| Grid length | 320 mm |
| Total side length | 345 mm |
| Thickness | 8 mm |
| Diameter of holes | 10 mm |
| Material | Galvanized steel, primed and powder-coated in hammer-gray |
| Suitable for | Protection against access to the rotor from outside |
| Application | With 4 holes for screwing onto the exterior wall |
| Maximum speed | 2250 RPM |
| Compatible with | Wall fans of the EQ, MP, E, and CA-W series |