| Manufacturer part number (MPN) | ST-REL3-KG 24/21 |
| EAN / GTIN | 4017918078676 |
| Sales unit | pcs |
| Package quantity | 10 pcs |
| Number of poles | 3 |
| With detachable clamps | Yes |
| Nominal current | 0.021 A |
| Rated control supply voltage AC 50 Hz | 19.2–26.4 V |
| Rated control supply voltage AC 60 Hz | 19.2–26.4 V |
| Rated control supply voltage DC | 19.2–26.4 V |
| Voltage type for actuating | AC/DC |
| Drive, polarization | Polarized |
| Drive, switching attitude | Mono stable |
| Number of contacts as change-over contact | 1 |
| With forced-guided contacts | No |
| Type of switch contact | Single contact |
| Complete with socket | No |
| With LED indication | Yes |
| Material of contact surface | Untreated |
| Width | 20.8 mm |
| Height | 33 mm |
| Depth | 66.5 mm |
| Country of origin | Germany |