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81001-450-52-R

Allen-Bradley 81001-450-52-R | SGCT Thyristor Service Kit 800A

In stock (14 units), ready to be shipped

  • Manufacturer: Allen-Bradley

  • Product No.: 81001-450-52-R

  • Product Type: Control Board

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 1150g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
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  • 24/7 Support
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Description

Product Overview

The Allen-Bradley 81001-450-52-R is a specialized SGCT (Symmetric Gate Commutated Thyristor) Service Kit designed for the maintenance and repair of PowerFlex industrial drives. To ensure optimal performance in high-power applications, this kit provides a matched set of two thyristors, factory-tested to maintain identical switching characteristics. This matching is critical for 800A current applications where balanced load sharing prevents component overheating and premature system failure. With a total net weight of approximately 1.15 kg (2.54 lbs), this kit is an essential spare part for maintaining the integrity of medium voltage power conversion modules.

Technical Specifications

Parameter Specification
Brand Allen-Bradley
Model Number 81001-450-52-R
Current Rating 800 Amperes
Configuration Matched Set of 2 Thyristors
Net Weight 1.15 kg (2.54 lbs)
Compatibility PowerFlex Series Drives

Engineering Advantages

  • Precise Matching: The 81001-450-52-R kit eliminates the risks associated with mixing unmatched semiconductors, ensuring uniform voltage distribution across the power module.
  • High Power Density: Engineered for 800A operation, these thyristors provide superior thermal management and low conduction losses in demanding industrial environments.
  • Service Readiness: Despite the heavy-duty electrical rating, the 1.15 kg total weight makes this kit highly portable for field technicians and emergency repairs.

Installation & Maintenance

When installing the Allen-Bradley 81001-450-52-R, it is vital to apply the correct clamping force as specified in the included service documentation. Maintaining proper thermal contact between the thyristors and the drive’s heatsink is essential for 800A continuous operation. Because the kit weighs 1.15 kg and contains sensitive silicon components, handle with care and follow all ESD (Electrostatic Discharge) prevention protocols.

Technical FAQs

Q1: Why do these thyristors come in a set of two?
A1: PowerFlex drive modules often require pairs of thyristors to work in tandem. Providing them as a factory-matched set of two ensures that both components share the electrical load equally.

Q2: Can I use this kit for different current ratings?
A2: No, the 81001-450-52-R is specifically rated for 800A. Using it in systems with different specifications may lead to hardware damage.

Q3: What is the weight of the complete service kit?
A3: The complete kit, including the two matched thyristors and documentation, has a total net weight of 1.15 kg (2.54 lbs).

🏷️ Tags: Control Board SGCT Thyristors
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  • Ensure compatibility with your current machinery or control systems.
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  • Review delivery options, lead times, and shipping requirements.
  • Follow manufacturer instructions and best practices during installation.

In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.

Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.

For more details, please review our Shipping & Return Policy.

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