Siemens 3RB3026-1SB0 Electronic Overload Relay 3-12A.
Siemens 3RB3026-1SB0 Electronic Overload Relay 3-12A.
| Manufacturer part number (MPN) | 3RB3026-1SB0 |
| EAN / GTIN | 4011209749139 |
| Sales unit | pcs |
| Product brand name | SIRIUS |
| Product designation | solid-state overload relay |
| Product type designation | 3RB3 |
| Size of overload relay | S0 |
| Size of contactor can be combined company-specific | S0 |
| Power loss for rated value of the current at AC in hot operating state | 0.6 W |
| Insulation voltage with degree of pollution 3 at AC rated value | 690 V |
| Surge voltage resistance rated value | 6 kV |
| Shock resistance | 15 g / 11 ms |
| Vibration resistance | 1 … 6 Hz, 15 mm; 6 … 500 Hz, 20 m/s²; 10 cycles |
| Thermal current | 12 A |
| Recovery time after overload trip with automatic reset typical | 3 min |
| Reference code according to IEC 81346-2 | F |
| General technical data — net weight | 0.239 kg |
| Installation altitude at height above sea level maximum | 2 000 m |
| Ambient temperature during operation | -25 ... +60 °C |
| Temperature compensation | -25 ... +60 °C |
| Relative humidity during operation | 10 ... 95 % |
| Number of poles for main current circuit | 3 |
| Adjustable current response value of the current-dependent overload release | 3 ... 12 A |
| Operating voltage rated value | 690 V |
| Operating frequency rated value | 50 ... 60 Hz |
| Operational current rated value | 12 A |
| Operating power for 3-phase motors at 400 V at 50 Hz | 1.5 ... 5.5 kW |
| Operating power for AC motors at 690 V at 50 Hz | 2.2 ... 7.5 kW |
| Design of the auxiliary switch | integrated |
| Number of NC contacts for auxiliary contacts | 1 |
| Number of NO contacts for auxiliary contacts | 1 |
| Operational current of auxiliary contacts at AC-15 at 230 V | 3 A |
| Trip class | CLASS 10E |
| Design of the overload release | electronic |
| Full-load current (FLA) for 3-phase AC motor at 480 V rated value | 12 A |
| Contact rating of auxiliary contacts according to UL | B600 / R300 |
| Mounting position | any |
| Fastening method | Contactor mounting |
| Installation/ mounting/ dimensions — height | 87 mm |
| Installation/ mounting/ dimensions — width | 45 mm |
| Installation/ mounting/ dimensions — depth | 84 mm |
| Type of electrical connection for main current circuit | screw-type terminals |
| Type of connectable conductor cross-sections for main contacts solid | 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) |
| Tightening torque for main contacts with screw-type terminals | 2 ... 2.5 N·m |
| Protection class IP on the front according to IEC 60529 | IP20 |
| Touch protection on the front according to IEC 60529 | finger-safe, for vertical contact from the front |
| Display version 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 | Czechia |
| MOQ | 1 |