- Metal enclosure
- Good resistance to oil and petroleum spirit
- Mounting independent of hinge
- 92 mm x 81,5 mm x 27 mm
- Variable mounting on hinged side
- Rail-mounting possible with slot nuts
- 2-channel, alternating monitoring
- Actuator shaft can be turned 360°
- For left or right hinged doors
- Push-in system (toothed shaft)
- 2 switches in one enclosure
| Product type description | Number of auxiliary contacts | Number of safety contacts |
| TV8S 521-02/20Z | 0 ( S1), 2 ( S2) | 2 ( S1), 0 ( S2) |
| TV8S 521-11/11Z | 1 ( S1), 2 ( S2) | 1 ( S1), 0 ( S2) |
