Siemens 3RU2126-4CB0 SIRIUS Class 10 thermal overload relay with a 17–22 A adjustable setting range for motor protection. Direct-attachment mounting with 1 NO + 1 NC auxiliary contacts, screw terminals for the main circuit, and automatic or push-button reset up to 690 V.
| Manufacturer part number (MPN) | 3RU2126-4CB0 |
| EAN / GTIN | 4011209780958 |
| Sales unit | pcs |
| Setting range | 17-22 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 |