
Siemens 3RK4340-3AR51-1BA0
MPN3RK4340-3AR51-1BA0
SIRIUS MCU motor starter Enclosure degree of protection IP55 plastic Communication without electromechanically switching Short-circuit protection with circuit breaker Reversing starter Brake without Performance class 0.63 A Motor circuit breaker with bi-metal thermal Manual operation without Connection power M screw connection Standard product
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product designation | motor starter MCU, I/O controlled |
| Main circuit poles | 3 |
| Brand | SIRIUS |
| Product design / construction | reversing starter |
| Reference designation (IEC 81346-2) | Q |
Protection & Tripping
| Parameter | Value |
|---|---|
| Trip class | CLASS 10 |
| Overload release setting range (current) | 0.45 ... 0.63 A |
| Duty / utilization type (IEC 60947-6-2) | 1 |
Contacts & Control
| Parameter | Value |
|---|---|
| Switching contact type | electromechanical |
Communication
| Parameter | Value |
|---|---|
| AS-Interface protocol support | No |
Mechanical & Connection
| Parameter | Value |
|---|---|
| Main circuit connection type | screw-type terminals |
| Mounting position | +/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface |
| Width | 182 mm |
| Height | 220 mm |
| Depth | 145 mm |
MPN
3RK4340-3AR51-1BA0