Mounting hole dimensions (mm) for DC fans

1. 30 x 30 Series

Discharge side / Suction side

2. 40 x 40 Series

Discharge side / Suction side

3. 60 x 60 Series

Discharge side / Suction side

4. 80 x 80 Series

Discharge side / Suction side

5. 92 x 92 Series

Discharge side / Suction side

6. 120 x 120 Series

Discharge side / Suction side

1. 60 x 60 Series

Discharge side / Suction side

2. 80 x 80 Series

Discharge side / Suction side

3. 92 x 92 Series

Discharge side / Suction side

4. 120 x 120 Series

Discharge side / Suction side

5. 152 x 172 Series

Discharge side / Suction side