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- Allen Bradley
- SK-R9-PINT1-FF6L
- PowerFlex 750 Power Connector
- USA
- 190 x 20 x 100 mm
- 0.5 kg
- Xiamen, China
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Product Overview
The SK-R9-PINT1-FF6L is a Power Interface / Power Connector Kit used in the Allen-Bradley PowerFlex 750-Series AC Drives, specifically for Frame 6 (690V-class systems).
It is an internal high-power interconnection component that provides electrical continuity between the drive’s rectifier, DC bus, and inverter power structure. It ensures safe and stable transfer of high current within modular drive assemblies.
This component is part of the drive’s power stack architecture, not a control or communication module.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Model | SK-R9-PINT1-FF6L |
| Product Type | Power Connector / Power Interface Kit |
| System Compatibility | PowerFlex 750-Series AC Drives |
| Frame Size | Frame 6 |
| Voltage Class | 690 V systems |
| Power Rating Context | Up to ~90 kW class systems |
| Function | Internal power interconnection |
| Electrical Role | DC bus / power module connectivity |
| Mechanical Role | Alignment and secure stacking of power modules |
| Installation Type | Internal drive assembly |
| Dimensions | 190 × 20 × 100 mm |
| Weight | 0.5 kg |
Function and Working Principle
The SK-R9-PINT1-FF6L ensures reliable internal high-power conduction paths inside the drive.
Main Functions
- Connects internal power modules and DC bus structure
- Provides stable high-current electrical continuity
- Ensures correct modular alignment in Frame 6 architecture
- Reduces risk of loose contact, overheating, or arcing
- Maintains structural integrity of the power stack
System Power Flow
AC Input → Rectifier → DC Bus → Power Connector (SK-R9-PINT1-FF6L) → Inverter → Motor Output
This ensures uninterrupted internal power transfer within the drive.
Role in Industrial Control Systems
The SK-R9-PINT1-FF6L functions as:
- A high-current internal power interface
- A mechanical/electrical interconnect in modular VFD stacks
- A structural component ensuring drive assembly integrity
- A power distribution continuity element
It does not perform any control logic or communication functions.
Industrial Applications
This component is used inside PowerFlex 750 systems in:
- Large conveyor systems
- Industrial pumping stations
- HVAC chillers and fan systems
- Compressors
- Process industry motor drives
- Heavy-duty automation equipment
It is always installed inside a complete drive enclosure, not used externally.
Installation and System Integration
- Installed inside PowerFlex 750 Frame 6 drive assembly
- Connects internal power modules and DC bus sections
- Requires correct Frame 6 / 690V configuration matching
- Installed during manufacturing or service replacement
- No external wiring required
- Must follow high-voltage safety procedures
⚠️ Installation should only be performed by qualified personnel due to DC bus energy levels.
Compatible System Components
- PowerFlex 750-Series AC Drives
- Frame 6 (690V) power modules
- DC bus capacitor assemblies
- Rectifier and inverter stacks
- SK-R9-PINT series interface components
- Internal drive control assemblies
Recommended Alternative Models
| Model | Product Type | Key Feature |
|---|---|---|
| SK-R9-PINT1-FF6L | Power Connector Kit | Standard Frame 6 (690V) version |
| SK-R9-PINT1-FF6N | Higher power variant | Increased power rating (Frame 6) |
| SK-R9-PINT1-CF6A | Alternative interface kit | Different configuration type |
| Complete power stack kit | Full assembly | Integrated replacement solution |
Key Advantages
- Ensures stable high-current internal power transfer
- Maintains modular drive structure integrity
- Reduces risk of electrical connection failure
- Supports reliable operation of PowerFlex 750 Frame 6 drives
- Improves thermal and electrical stability of power stack
Technical FAQs
Q1: What is the main function of SK-R9-PINT1-FF6L?
It provides internal high-power electrical connection between modules in a PowerFlex 750 Frame 6 drive.
Q2: Is it a control module?
No, it is a power interconnection component, not part of control logic.
Q3: What voltage class is it used for?
It is used in 690V-class PowerFlex 750 drive systems.
Q4: What happens if it fails?
The drive may lose internal power continuity or experience operational failure.
Conclusion
The Allen-Bradley SK-R9-PINT1-FF6L Power Connector Kit is a critical internal hardware component in PowerFlex 750 Frame 6 (690V) drive systems. It ensures reliable high-power electrical continuity between internal modules, maintaining both electrical integrity and mechanical stability in industrial VFD applications.