Allen Bradley SK-R9-PCG2-DF67 PowerFlex 750 DC Precharge Kit
Allen Bradley SK-R9-PCG2-DF67 PowerFlex 750 DC Precharge Kit
0.0
Points
Brand:Allen Bradley PLC Item No.:SK-R9-PCG2-DF67 Product Origin:USA Product Dimensions:120 x 30 x 100 mm Product Weight:0.91 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The SK-R9-PCG2-DF67 DC Precharge Kit is an essential internal component of the PowerFlex 750 Series designed to ensure safe and controlled energization of the DC bus circuit. It plays a key role in protecting high-power drive systems from excessive inrush current during startup.
Built for Frame 6–7 configurations, it supports stable and reliable operation of industrial drives in continuous-duty, high-load environments where electrical protection and system integrity are critical.
Technical Specifications
Parameter
Specification
Product Type
DC Precharge Kit (Drive Board)
Series
PowerFlex 750
Frame Size
Frame 6–7
Voltage Class
400/480V AC system architecture
Function
DC bus precharge control
Installation Type
Internal drive accessory
Compatibility
Allen-Bradley PowerFlex 750 drives
Dimensions
120 × 30 × 100 mm
Weight
0.91 kg (2.01 lb)
Applications
The Allen-Bradley SK-R9-PCG2-DF67 PowerFlex 750 DC Precharge Kit is a critical power protection component used in PowerFlex 750 Series Frame 6–7 drive systems, designed to manage controlled DC bus charging during power-up sequences in high-power industrial environments.
PowerFlex 750 Frame 6–7 drive installations
Industrial motor control centers (MCCs)
Heavy-duty pumping, fan, and compressor systems
High-inertia conveyor and process automation lines
Industrial retrofit and drive replacement projects
Energy-intensive manufacturing automation systems
High-voltage AC drive cabinet protection circuits
Advantages
Ensures controlled DC bus precharge during system startup
Protects drive capacitors and rectifier stages from inrush current
Improves overall system reliability and operational stability
Designed specifically for PowerFlex 750 Frame 6–7 architecture
Reduces electrical stress during repeated power cycling
Supports long lifecycle performance in harsh industrial conditions
Simplifies maintenance with modular replacement design
Enhances safety in high-energy drive environments
Technical FAQs (10 Technical Questions)
Q1: What is the function of the SK-R9-PCG2-DF67 kit?
It controls the precharge process of the DC bus in PowerFlex 750 Frame 6–7 drives.
Q2: Is this a standalone device?
No, it is an internal drive accessory used only within PowerFlex 750 systems.
Q3: What happens if the precharge kit fails?
The drive may fail to start or trigger DC bus fault conditions due to uncontrolled inrush current.
Q4: Is it compatible with all PowerFlex 750 drives?
It is specifically designed for Frame 6–7 configurations.
Q5: Can it be replaced in the field?
Yes, it is designed as a serviceable replacement board.
Q6: Does it require software configuration?
No, it operates as a hardware-level protection component.
Q7: What voltage class does it support?
It is used in 400/480V PowerFlex 750 systems for Frame 6–7 architectures.
Q8: Does it affect motor control directly?
No, it does not control the motor; it protects the drive power stage.
Q9: Is special calibration required after installation?
No calibration is required after replacement.
Q10: Can it be used outside Rockwell systems?
No, it is exclusive to Allen-Bradley PowerFlex 750 drive platforms.
