Siemens SIRIUS motor starter MCU for AS-Interface, 3RK4320-3NR51-1BA0, reversing starter, rated 10 A at AC-3 400 V, IP55, current lifecycle.
| Parameter | Value |
|---|---|
| Product designation | motor starter MCU for AS-Interface |
| Main circuit poles | 3 |
| Brand | SIRIUS |
| Product design / construction | reversing starter |
| Reference designation (IEC 81346-2) | Q |
| Parameter | Value |
|---|---|
| Trip class | CLASS 10 |
| Overload release setting range (current) | 7 ... 10 A |
| Duty / utilization type (IEC 60947-6-2) | 1 |
| Parameter | Value |
|---|---|
| Switching contact type | electromechanical |
| Parameter | Value |
|---|---|
| AS-Interface protocol support | Yes |
| 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 |
The control supply accepts 20.4 to 26.4 V DC, and the unit operates on 340 to 440 V AC at 50 or 60 Hz.
This reversing starter measures 145 mm deep by 182 mm wide by 220 mm high, with IP55 protection suitable for washdown or dusty environments in panel or machine-mounted applications.
This part is sourced to order against an RFQ through independent distribution channels; submit a request for current pricing and availability.
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