- Metal enclosure
- one-side operation / wire up to 75 m long
- Release push button
- Position indicator
- Robust design
- Large wiring compartment
- Twisting of towing eye not possible
- External watertight collar
- wire pull and breakage detection
| Product type description | Number of safety contacts | Emergency-Stop button (Y/N) |
| ZQ 900-04N | 4 | Yes |
| ZQ 900-22 | 2 | No |
| ZQ 900-22N | 2 | Yes |
| ZQ 900-13N | 3 | Yes |
| ZQ 900-02N | 2 | Yes |
| ZQ 900-11N | 1 | Yes |