製品紹介
The Allen-Bradley SK-R9-PCG2-DF67 PowerFlex 750 DC Precharge Kit is a key internal component designed to manage the controlled energization / DC bus circuits in PowerFlex 750 series AC drives. Developed by Rockwell Automation and /fered under the Allen-Bradley line, this kit is specifically engineered for Frame Sizes 6 and 7 operating at 400/480 V.
The primary role / this DC precharge kit is to limit inrush current by gradually charging the DC bus capacitors during startup. This prevents sudden electrical surges that could damage internal components, ensuring safe operation, improved reliability, and extended equipment life. It is an essential part / drive protection and performance optimization in medium-voltage industrial applications.
製品仕様
| Parameter | Value |
|---|---|
| モデル | SK-R9-PCG2-DF67 |
| Product Type | DC Precharge Kit |
| Series Compatibility | PowerFlex 750 Series |
| Frame Compatibility | Frame Sizes 6–7 |
| Voltage Rating | 400 / 480 V AC |
| Function | DC Bus Precharge / Inrush Current Limiting |
| Application | AC Drive Systems |
| Installation | Internal Drive Component |
| Dimensions | 120 × 30 × 100 mm |
| 重量 | 0.91 kg |
Applications
• Drive startup protection — Controls DC bus charging to prevent inrush current damage.
• PowerFlex 750 systems — Specifically designed for Frame 6 and Frame 7 drives.
• Industrial motor control — Ensures stable and safe operation in automation systems.
• Maintenance and replacement — Used for servicing or upgrading existing drive components.
• Energy system stability — Helps regulate power flow during drive energization.
Advantages
• Effective inrush current control — Protects capacitors and internal circuits during startup.
• Enhanced reliability — Ensures stable and consistent drive operation.
• Extended equipment lifespan — Reduces electrical stress on components.
• Dual-frame compatibility — Suitable for both Frame 6 and Frame 7 PowerFlex drives.
• Robust industrial design — Built for demanding environments and continuous operation.
• Seamless integration — Designed for direct compatibility with PowerFlex 750 architecture.
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