| Parameters |
Values |
| Modification marking | N 7 |
| Type | ÊÌ2221-7 |
| current gender of main circuit | permanent |
| rated control current of main circuit, and | 25 |
| nominal voltage of main circuit, in | 320 |
| number of main of normally-on contacts | 2 |
| number of main of break contacts | - |
| number of auxiliary. contacts (flip-flop closure) | - |
| number of auxiliary. contacts ( wedge closure) | 1 |
| number of auxiliary. contacts (wedge opening) | - |
| number of auxiliary. contacts (bridge closure) | - |
| number of auxiliary. contacts (bridge ðàçìûêàþù) | - |