---
title: Parts Inventory
description: We repair DC and AC servo motors, CNC systems, and DC power supplies, offer replacements for obsolete servo motors, and retrofit CNC machines.
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---

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  ![](https://www.potomacelectric.com/repairs/images/design/smallimagesstrip.jpg)





 

# Parts inventory

 | **SIEMENS** / AC INDUCTION MOTORS |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **1PH6101-4NF49-Z** | **1PH6101-4NF49-Z** | **N/A** |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **New** |
| Used on the machine built by: **BOSTON DIGITAL** | [show image](https://www.potomacelectric.com/repairs/upload/part__251.jpg) |
| **Notes:** new in box | **SC:** 1 |

 | **SIEMENS** / AC INDUCTION MOTORS | **Price: $1800.00** |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **1PH6103-4NF49-Z** | **1PH6103-4NF49-Z** | **N/A** |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **Refurbished** |
| Used on the machine built by: **BOSTON DIGITAL** | no image |
| **Notes:** | **SC:** 1 |

 | **SIEMENS** / AC INDUCTION MOTORS |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **1PH6105-4NF49-Z** | **N/A** | **N/A** |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **Refurbished** |
| Used on the machine built by: **BOSTON DIGITAL** | [show image](https://www.potomacelectric.com/repairs/upload/part__253.jpg) |
| **Notes:** | **SC:** 1 |

 | **SIEMENS** / AC INDUCTION MOTORS |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **1PH6137-4NG09-Z** |  |  |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **Refurbished** |
| Used on the machine built by: **BOSTON DIGITAL** | no image |
| **Notes:** | **SC:** 1 |

 | **SIEMENS** / AC INDUCTION MOTORS |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **1PH6137-4NG09-Z** |  |  |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **New** |
| Used on the machine built by: **BOSTON DIGITAL** | no image |
| **Notes:** | **SC:** 1 |

 | **SIEMENS** / AC INDUCTION MOTORS |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **1PH7105-2NF02-0BJ0** | **N/A** | **N/A** |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **New** |
| Used on the machine built by: **BOSTON DIGITAL** | [show image](https://www.potomacelectric.com/repairs/upload/part__254.jpg) |
| **Notes:** new in box | **SC:** 1 |

 | **SIEMENS** / BRUSHLESS DRIVES |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **6SN1123-1AA00-0CA** |  |  |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **REFURBISHED** |
| Used on the machine built by: **N/A** | no image |
| **Notes:** | **SC:** 1 |

 | **SIEMENS** / POWER SUPPLIES |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **6SN1145-1AA00** | **N/A** | **N/A** |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **Refurbished** |
| Used on the machine built by: **N/A** | no image |
| **Notes:** call | **SC:** 1 |

 | **SIEMENS** / POWER SUPPLIES |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **6SN1145-1AA00-0AA0** |  |  |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **REFURBISHED** |
| Used on the machine built by: **N/A** | no image |
| **Notes:** | **SC:** 1 |

 | **SIEMENS** / BRUSHLESS DRIVES |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **6SN1145-1AA00-0CA0** | **N/A** | **N/A** |
| Datasheet: N/A | Quantity: **1** | Condition: **Refurbished** |
| Used on the machine built by: **N/A** | no image |
| **Notes:** N/A | **SC:** 1 |

 | **SIG BERGERLAH** / BRUSH (DC) MOTORS |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **VROM31122150** |  |  |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **REFURBISHED** |
| Used on the machine built by: **N/A** | no image |
| **Notes:** | **SC:** 1 |

 | **SIGMA** / STEPPER MOTORS |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **21-42880-23947** |  |  |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **REFURBISHED** |
| Used on the machine built by: **N/A** | no image |
| **Notes:** | **SC:** 1 |

 | **SIGMA** / STEPPER DRIVES |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **5230** | **N/A** | **N/A** |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **New** |
| Used on the machine built by: **N/A** | no image |
| **Notes:** stepper drive | **SC:** 1 |

 | **SIGMA** / STEPPER DRIVES |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **5440** | **N/A** | **N/A** |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **New** |
| Used on the machine built by: **N/A** | no image |
| **Notes:** indexer/stepper drive | **SC:** 1 |

 | **SIGMA** / STEPPER DRIVES |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **5645** | **N/A** | **N/A** |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **New** |
| Used on the machine built by: **N/A** | no image |
| **Notes:** indexer/stepper drive | **SC:** 1 |

 | **SIGMA** / STEPPER MOTORS |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **802-D3437-B038** | **N/A** | **N/A** |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **New** |
| Used on the machine built by: **N/A** | no image |
| **Notes:** N/A | **SC:** 1 |

 | **SIGMA** / STEPPER MOTORS |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **802-D3450-F1.2** | **N/A** | **N/A** |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **New** |
| Used on the machine built by: **N/A** | no image |
| **Notes:** N/A | **SC:** 1 |

 | **SIGMA** / STEPPER MOTORS |  |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **802-D4280-F2.0** | **N/A** | **N/A** |
| Datasheet: N/A | **Out of stock. [Contact us for repair](https://www.potomacelectric.com/repairs/./inquires/)** | Condition: **New** |
| Used on the machine built by: **N/A** | no image |
| **Notes:** N/A | **SC:** 1 |

 | **SIGMA** / STEPPER MOTORS | **Price: $200.00** |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **802D3437B038** | **802D3437B038** |  |
| Datasheet: N/A | Quantity: **1** | Condition: **New** |
| Used on the machine built by: | no image |
| **Notes:** owned by Pacific Scientific | **SC:** 1 |

 | **SIGMA** / STEPPER MOTORS | **Price: $200.00** |
|---|---|
| OEM part number | OEM model/series | Machine builder part number |
| **802D3450-F1.2** | **802D3450-F1.2** |  |
| Datasheet: N/A | Quantity: **1** | Condition: **New** |
| Used on the machine built by: | no image |
| **Notes:** owned by Pacific Scientific | **SC:** 1 |