Siemens 3RB2026-1RB0 SIRIUS 3RB2 solid-state overload relay 5-25A, trip class 10. Mounts on 3RT2026 contactor. Phase-failure and asymmetry protection. Installed in low-voltage switchgear panels, main and sub-distribution boards, motor control centres and DIN-rail consumer units.
| Type | 3RB2 overload relay |
| Current range | 5-25A |
| Trip class | 10 |
| Protection | Phase-loss, asymmetry |
| For contactor | 3RT2026 |
| Setting range | 5-25 A |
| MOQ | 1 |