Siemens 3RB2153-4FF2
MPN3RB2153-4FF2
Active
Overload relay 50...200 A for motor protection Size S6, CLASS 5...30E Contactor mounting/stand-alone installation Main circuit: busbar connection Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset Internal ground fault detection
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product brand name | SIRIUS |
| Product designation | solid-state overload relay |
| Frame size (overload relay) | S6 |
| Combinable contactor sizes | S6 |
| Reference code (IEC 81346-2) | F |
Protection & Trip
| Parameter | Value |
|---|---|
| Overload current setting range | 50 ... 200 A |
| Trip class | CLASS 5E, 10E, 20E and 30E adjustable |
| Overload release type | electronic |
Electrical (main circuit)
| Parameter | Value |
|---|---|
| Rated operational current | 200 A |
| Poles (main circuit) | 3 |
| Rated operating frequency | 50 ... 60 Hz |
| Rated insulation voltage (AC, pollution degree 3) | 1 000 V |
| Rated value (AC-3e), max. | 1 000 V |
| Rated surge withstand voltage | 8 kV |
| Main current circuit | busbar connection |
Auxiliary contacts
| Parameter | Value |
|---|---|
| Auxiliary contacts: NO | 1 |
| Auxiliary contacts: NC | 1 |
| Auxiliary contacts: CO (changeover) | 0 |
| Auxiliary switch short-circuit protection (required fuse) | fuse gG: 6 A |
| Switching current at 24 V | 2 A |
| Switching current at 60 V | 0.55 A |
| Switching current at 110 V | 0.3 A |
| Switching current at 120 V | 4 A |
| Switching current at 125 V | 0.3 A |
| Switching current at 220 V | 0.11 A |
| Switching current at 230 V | 3 A |
Connection & Mounting
| Parameter | Value |
|---|---|
| Mounting / fastening method | Contactor mounting/stand-alone installation |
| Mounting position | any |
| Main-circuit connector arrangement | Top and bottom |
| Auxiliary/control circuit connection type | spring-loaded terminals |
| Removable aux./control terminal | Yes |
| Conductor cross-section: solid | 2x (0.25 ... 1.5 mm²) |
| Conductor cross-section: solid or stranded | 2x (0,25 ... 1,5 mm²) |
| Conductor cross-section: finely stranded with ferrule | 2x (0.25 ... 1.5 mm²) |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature | -25 ... +60 °C |
| Storage temperature | -40 ... +80 °C |
| Transport temperature | -40 ... +80 °C |
| Relative humidity, operating | 10 ... 95 % |
| Max. installation altitude | 2 000 m |
| Shock resistance | 15g / 11 ms |
Mechanical
| Parameter | Value |
|---|---|
| Width | 120 mm |
| Height | 119 mm |
| Depth | 155 mm |
MPN
3RB2153-4FF2