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Allen Bradley SK-R9-PCG2-DF67 PowerFlex 750 DC Precharge Kit
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Product Introduction
The Allen-Bradley SK-R9-PCG2-DF67 PowerFlex 750 DC Precharge Kit is a key internal component designed to manage the controlled energization of DC bus circuits in PowerFlex 750 series AC drives. Developed by Rockwell Automation and offered under the Allen-Bradley line, this kit is specifically engineered for Frame Sizes 6 and 7 operating at 400/480 V.
The primary role of 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 of drive protection and performance optimization in medium-voltage industrial applications.
Product Specifications
| Parameter | Value |
|---|---|
| Model | 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 |
| Weight | 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.
FAQ
- What is the function of the SK-R9-PCG2-DF67 kit?
It manages DC bus precharging to limit inrush current during drive startup. - Which drive series is it designed for?
It is specifically for the PowerFlex 750 series. - What frame sizes are supported?
It supports Frame Sizes 6 and 7. - What voltage range does it operate in?
It is designed for 400/480 V AC systems. - Why is DC precharge important?
It prevents sudden current surges that could damage capacitors and internal electronics. - Can it be used in other frame sizes?
No, it is specifically designed for Frame 6 and 7 drives. - Is this a replacement component?
Yes, it can be used for maintenance, repair, or new installations. - Does it improve system reliability?
Yes, by ensuring controlled startup, it enhances overall system stability. - Is installation complex?
Installation should be carried out by qualified personnel familiar with PowerFlex drives. - Is it an original Rockwell Automation product?
Yes, it is an official component designed for seamless integration with Allen-Bradley systems.
Related Models
| Model | Description | Type | Application |
|---|---|---|---|
| SK-R9-PCG1-DF7 | AC Precharge Kit | Drive Component | Frame 7 |
| SK-R9-PCG1-DF6 | AC Precharge Kit | Drive Component | Frame 6 |
| SK-R1-MCB1-PF753 | Main Control Board | Drive Component | PowerFlex 753 |
| SK-R1-BP1 | Backplane Interface Kit | Drive Accessory | PowerFlex 750 |
| SK-R1-PS1 | Power Supply Board | Drive Component | Internal Power |
| SK-R1-FAN | Cooling Fan Kit | Drive Accessory | Thermal Management |
Popular Models
| Model | Product Type | Series | Key Features |
|---|---|---|---|
| 20F11ND077AA0NNNNN | PowerFlex 753 Drive | PowerFlex 750 | Flexible motor control |
| 20G11ND065AA0NNNNN | PowerFlex 755 Drive | PowerFlex 750 | High-performance drive |
| 1756-L85E | ControlLogix Controller | ControlLogix | High-speed processing |
| 1769-L33ER | CompactLogix Controller | CompactLogix | Integrated Ethernet/IP |
| 1734-AENTR | POINT I/O Adapter | POINT I/O | Network communication |
| 25B-D017N104 | PowerFlex 525 Drive | PowerFlex 520 | Compact motor control |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.
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