| Manufacturer part number (MPN) | 3RB3026-1QB0 |
| EAN / GTIN | 4011209749146 |
| Sales unit | pcs |
| Product brand | SIRIUS |
| Product designation | solid-state overload relay |
| Product type designation | 3RB3 |
| Size of overload relay | S0 |
| Trip class | CLASS 10E |
| Adjustable current setting range | 6 ... 25 A |
| Thermal current | 25 A |
| Rated operational current | 25 A |
| Rated operational current at AC-3e, 400 V | 25 A |
| Number of poles for main circuit | 3 |
| Rated operating voltage | 690 V |
| Rated operating frequency | 50 ... 60 Hz |
| Operating power, 3-phase motors 400 V 50 Hz | 3 ... 11 kW |
| Operating power |
| AC motors 500 V 50 Hz | 4 ... 15 kW |
| Operating power |
| AC motors 690 V 50 Hz | 5.5 ... 22 kW |
| Power loss at rated current AC, hot state | 1.2 W; 0.4 W per pole |
| Rated insulation voltage (pollution degree 3) | 690 V |
| Rated surge voltage resistance | 6 kV |
| Shock resistance (IEC 60068-2-27) | 15 g / 11 ms |
| Vibration resistance | 1…6 Hz 15 mm; 6…500 Hz 20 m/s² |
| Recovery time after trip, automatic reset typ. | 3 min |
| Design of overload release | electronic |
| Auxiliary switch | integrated; 1 NO + 1 NC |
| Aux operational current AC-15 at 230 V | 3 A; 24-125 V: 4 A |
| Aux operational current DC-13 at 24 V | 2 A |
| UL full-load current (FLA) at 480 V | 25 A |
| UL full-load current (FLA) at 600 V | 25 A |
| UL contact rating of auxiliary contacts | B600 / R300 |
| Short-circuit protection coordination type 1 | gG 125 A, RK5 100 A |
| Short-circuit protection coordination type 2 | gG 63 A, J 100 A |
| Ambient temperature during operation | -25 ... +60 °C |
| Ambient temperature storage/transport | -40 ... +80 °C |
| Installation altitude, max. | 2 000 m |
| Relative humidity during operation | 10 ... 95 % |
| Mounting position | any; contactor mounting |
| Dimensions height × width × depth | 87 × 45 × 84 mm |
| Net weight | 0.254 kg |
| Electrical connection main circuit | screw-type terminals |
| Main conductor cross-section, solid | 2x(1…2.5), 2x(2.5…10) mm² |
| Tightening torque main contacts | 2 ... 2.5 N·m |
| Tightening torque auxiliary contacts | 0.8 ... 1.2 N·m |
| Screwdriver tip | Pozidriv PZ 2 |
| Degree of protection | IP20; finger-safe front |
| Electrostatic discharge (IEC 61000-4-2) | 6 kV contact / 8 kV air |
| Display for switching status | slide switch |
| Mounting method | Direct attachment |
| Width | 45 mm |
| Height | 87 mm |
| Depth | 84 mm |
| 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 |
| Reset function input | No |
| Reset function automatic | Yes |
| Country of origin | Germany |