FS 4: Step switch for 2 speeds.Article: FS 4, Air direction: Ventilation or exhaust, Voltage type: Alternating current, Rated voltage: 230 V, Mains frequency: 50 Hz, Maximum load (inductive load): 0.35 A, Protection class: IP 20, Installation type: Surface-mounted, Color: pearl white, similar to RAL 1013, Weight: 0.4 kg, Weight with packaging: 0.7 kg, Width: 128 mm, Height: 74 mm, Depth: 46 mm, Width with packaging: 130 mm, Height with packaging: 78 mm, Depth with packaging: 52 mm, Suitable for box fans: no, Suitable for roof fans: yes, Suitable for pipe fans: yes, Suitable for heat recovery systems: no, Suitable for wall-mounted fans: yes, Suitable for wall-mounted fans: yes, Suitable for residential fans: yes, Suitable for centrifugal fans: no, Suitable for Circulation fan: no
| Property | Value |
| Version: | Step switch |
| Complete device in housing: | yes |
| Suitable for front mounting: | yes |
| Suitable for distributor installation: | no |
| Protection class (IP), front: | IP20 |
