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- Allen Bradley
- 81001-450-53-R
- Circuit Board
- USA
- 230 x 25 x 180 mm
- 1.68 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen-Bradley 81001-450-53-R Circuit Board is a high-power drive module board used in PowerFlex 7000 medium-voltage drive systems. It is associated with the power conversion stage, typically handling IGCT/SGCT-based switching elements used for controlling high-power AC motors.
This board is part of the drive’s power electronics stack, supporting efficient and controlled conversion of electrical energy for large industrial motors.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Model | 81001-450-53-R |
| Product Type | Circuit / Power Drive Board |
| System Compatibility | PowerFlex 7000 MV Drive Systems |
| Function | Power switching / IGCT-SGCT drive stage support |
| Semiconductor Type | SGCT / IGCT-based switching architecture |
| Rated Current | ~800 A (typical for matched sets) |
| Application Role | Medium-voltage motor drive power stage |
| Installation Type | Drive cabinet plug-in module |
| Industrial Environment | High-voltage, high-current motor control systems |
| Dimensions | 230 × 25 × 180 mm |
| Weight | 1.68 kg |
Function and Working Principle
The 81001-450-53-R operates as part of the power conversion and switching layer in medium-voltage drives:
- Controls high-power switching devices (SGCT/IGCT stacks)
- Regulates energy flow to the motor through controlled gating signals
- Supports high-current switching for industrial motor loads
- Works with control boards to execute precise speed and torque control
- Provides stable operation under high electrical stress conditions
- Ensures synchronized switching for multi-device power stages
In simple terms: it is part of the “power brain” of large industrial motor drives, not a logic controller.
Role in Industrial Control Systems
Within PowerFlex 7000 architectures, this board is part of the power electronics subsystem, responsible for:
- Driving high-power semiconductor switching devices
- Supporting controlled rectification/inversion of AC power
- Enabling smooth motor acceleration and deceleration
- Maintaining system stability under heavy industrial loads
- Working alongside control and interface boards
It does not perform logic control, but executes power-level switching commands.
Industrial Applications
The 81001-450-53-R is used in:
- Medium-voltage motor drives (5 MW class systems)
- Oil and gas compressors
- Mining conveyor systems
- Steel and cement production lines
- Power generation auxiliary systems
- Large industrial pumps and fans
- Heavy-duty process automation systems
Installation and System Integration
For proper operation:
- Installed inside PowerFlex 7000 drive cabinet
- Connected to SGCT/IGCT power stack assemblies
- Interfaces with control boards via internal backplane
- Requires precise cooling and thermal management
- Must be commissioned with full drive diagnostics
- Handled only in controlled industrial maintenance environments
Compatible System Components
The module typically works with:
- 80190-480-01-R Drive Control Board
- 80190-380-02-R Signal Conditioning Board
- 80190-320-03-R Customer Interface Board
- IGCT/SGCT power semiconductor stacks
- Cooling and protection systems
- Motor feedback and protection modules
Key Advantages
- Enables high-power motor control (medium-voltage class)
- Supports precise switching of SGCT/IGCT devices
- Designed for extreme industrial electrical loads
- High reliability in continuous operation
- Integral part of PowerFlex 7000 drive architecture
- Supports efficient energy conversion
- Built for heavy-duty industrial environments
Technical FAQs
What is the main function of the 81001-450-53-R?
It is part of the power switching stage that controls high-voltage motor drive operation.
Is it a control CPU board?
No. It is a power electronics board, not a logic controller.
What devices does it work with?
It interfaces with IGCT/SGCT semiconductor stacks in medium-voltage drives.
Where is it used?
In PowerFlex 7000 industrial drive systems for large motors.
Conclusion
The Allen-Bradley 81001-450-53-R Circuit Board is a critical power stage component in medium-voltage drive systems. It enables controlled high-current switching for large industrial motors, forming an essential part of PowerFlex 7000 drive architecture used in heavy industrial applications.