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81001-450-53-R

Allen-Bradley 81001-450-53-R | PowerFlex 7000 Drive Power Board

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  • Manufacturer: Allen-Bradley

  • Product No.: 81001-450-53-R

  • Product Type: Circuit Board

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 1680g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Beskrivelse

Product Overview

The Allen-Bradley 81001-450-53-R is a high-performance Drive Module Power Board engineered specifically for the PowerFlex 7000 series of medium voltage drives. This essential power component is built to handle demanding industrial environments, facilitating efficient power distribution and switching within the drive's inverter or rectifier sections. The board comes equipped with a matched set of three SGCTs (Symmetric Gate Commutated Thyristors), ensuring balanced performance and synchronized timing across all phases. Despite its heavy-duty 800A current rating, the board maintains a compact and manageable profile, weighing approximately 1.68 kg (3.70 lbs).

Technical Specifications

Parameter Specification
Brand Allen-Bradley
Model Number 81001-450-53-R
Application PowerFlex 7000 Medium Voltage Drives
Current Rating 800 Amperes
Component Type Matched SGCT Set (3 Units)
Weight 1.68 kg (3.70 lbs)

Engineering Advantages

  • Matched SGCT Technology: The 81001-450-53-R utilizes factory-matched thyristors to prevent current imbalances, significantly extending the lifespan of the medium voltage drive.
  • High Current Capacity: Designed for 800A applications, this board provides the thermal and electrical robustness required for heavy-duty industrial motor control.
  • Optimized Form Factor: With a net weight of 1.68 kg, the board is engineered for easy handling during sensitive maintenance procedures in tight drive cabinets.

Installation & Maintenance

When installing the Allen-Bradley 81001-450-53-R, it is critical to follow standard medium voltage safety protocols. Ensure that the mounting surfaces are clean and that the matched SGCTs are properly seated to maintain optimal thermal contact. Because the board weighs 1.68 kg, it can be handled carefully by a single technician, but anti-static precautions must be strictly observed to protect the sensitive gate-drive circuitry.

Technical FAQs

Q1: Why is a "matched set" of SGCTs important for this board?
A1: Matching ensures that the switching characteristics of each thyristor are nearly identical, which is vital for load sharing and preventing premature failure in medium voltage 800A circuits.

Q2: Is the 81001-450-53-R compatible with all PowerFlex 7000 models?
A2: It is designed for specific 800A configurations within the PowerFlex 7000 series. Always verify your drive's original part number before replacement.

Q3: What is the physical weight of the 81001-450-53-R?
A3: The board has a net weight of 1.68 kg (3.70 lbs), making it a robust yet manageable spare part for field service.

🏷️ Tags: Circuit Board

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