| Manufacturer part number (MPN) | 3RK3931-0AA00 |
| EAN / GTIN | 4011209740884 |
| Sales unit | pcs |
| Model | Expansion device |
| Suitable for monitoring of position switches | No |
| Suitable for monitoring of emergency-stop circuits | No |
| Suitable for monitoring of valves | No |
| Suitable for monitoring of tactile sensors | No |
| Suitable for monitoring of magnetic switches | No |
| Suitable for monitoring of proximity switches | No |
| Type of electric connection | Plug-in connection |
| Suitable for rail mounting | No |
| With detachable clamps | No |
| With start input | No |
| With muting function | No |
| With feedback circuit | No |
| With approval for BG BIA | No |
| Width | 10 mm |
| Height | 17.6 mm |
| Depth | 16.3 mm |
| Country of origin | Germany |