Siemens 3RU6126-1JB0
MPN3RU6126-1JB0
Overload relay 7.0...10 A size S0, class 10, for motor protection for mounting onto contactors main circuit: screw terminal AUX. circuit: screw terminal manual automatic reset
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product brand name | SIRIUS |
| Product designation | Thermal overload relay |
| Combinable contactor sizes | S0 |
Protection & Trip
| Parameter | Value |
|---|---|
| Overload current setting range | 7 ... 10 A |
| Trip class | CLASS 10 |
| Overload release type | thermal |
Electrical (main circuit)
| Parameter | Value |
|---|---|
| Rated operational current | 10 A |
| Poles (main circuit) | 3 |
| Rated operating frequency | 50 ... 60 Hz |
| Rated insulation voltage (AC, pollution degree 3) | 690 V |
| Rated surge withstand voltage | 6 kV |
| Main current circuit | screw-type terminals |
| Power loss at rated current (hot) | 6.6 W |
| Per pole | 2.2 W |
Auxiliary contacts
| Parameter | Value |
|---|---|
| Switching current at 24 V | 2 A |
| Switching current at 110 V | 0.22 A |
| Switching current at 230 V | 2 A |
Connection & Mounting
| Parameter | Value |
|---|---|
| Mounting / fastening method | Contactor mounting |
| Mounting position | any |
| Main-circuit connector arrangement | Top and bottom |
| Auxiliary/control circuit connection type | screw-type terminals |
| Conductor cross-section: solid or stranded | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| Conductor cross-section: finely stranded with ferrule | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| Conductor range (AWG), main contacts | 2x (16 ... 12), 2x (14 ... 8) |
| Conductor range (AWG), auxiliary contacts | 2x (20 ... 16), 2x (18 ... 14) |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature | -40 ... +70 °C |
| Transport temperature | -55 ... +80 °C |
| Relative humidity, operating | 0 ... 90 % |
| Max. installation altitude | 2 000 m |
Mechanical
| Parameter | Value |
|---|---|
| Width | 45 mm |
| Height | 85 mm |
| Depth | 85 mm |
MPN
3RU6126-1JB0