Siemens 3RU2126-4BB0 is a SIRIUS thermal overload relay for motor protection with a 14–20 A setting range. Class 10 tripping, one NO and one NC auxiliary contact, direct-mount to the associated contactor with screw connection up to 690 V. Automatic and manual reset selectable.
| Manufacturer part number (MPN) | 3RU2126-4BB0 |
| EAN / GTIN | 4011209780941 |
| Sales unit | pcs |
| Rated current | 20 A |
| Setting range | 14-20 A |
| Mounting method | Direct attachment |
| Number of auxiliary contacts as normally open contact | 1 |
| Number of auxiliary contacts as normally closed contact | 1 |
| Release class | CLASS 10 |
| Type of electrical connection of main circuit | Screw connection |
| Max. rated operation voltage Ue | 690 V |
| Reset function input | No |
| Reset function automatic | Yes |
| Reset function push-button | Yes |
| Country of origin | Germany |
| MOQ | 1 |