This is a Euchner safety switch fitted with an SR11 plug connector, used to detect the position of guards and interlock them with machine control circuits. It mounts on hinged or sliding guard doors, opening or closing the safety circuit as the guard is moved, and is wired into the machine's safety-related control system via the plug connector for straightforward on-site connection.
| Product Code | NZ2VZ-2121E |
| Switching Element | Slow-action switching contact |
| Approach Speed | max. 20 m/min |
| Number of Contacts | 4 positively driven contacts |
| Extraction Force | 35 N |
| Actuation Frequency | max. 1200 1/h |
| Actuating Force | 35 N |
| Mechanical Life | 2 x 10⁶ |
| Degree of Protection | IP65 |
| Ambient Temperature | -25 ... +80 °C |
| Housing Material | Anodized die-cast alloy |
| Contact Material | Silver alloy, gold flashed |
| Insertion Depth | 52 mm |
| Rated Insulation Voltage | Ui |
| Rated Impulse Withstand Voltage | 1.5 kV |
| Thermal Rated Current | 4 A (>70 °C => 2 A) |
| Switching Voltage (min. at 10 mA) | 12 V |
| Switching Current (min. at 24 V) | 1 mA |
| Monitoring of Guard Position (B10D) | 4.5x10⁶ |
| Mission Time | 20 y |