ABB HIEE450964R0001 SA9923A-E
ABB HIEE450964R0001 SA9923A-E
ABB HIEE450964R0001 SA9923A-E
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ABB

ABB HIEE450964R0001 SA9923A-E Circuit Board

SKU HIEE450964R0001 SA9923A-E

Disponibile
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: ABB
  • Product No.: HIEE450964R0001 SA9923A-E
  • Origin Switzerland
  • Product Type: Circuit Boards
  • Barcode: 8537101190
  • Payment: T/T, Western Union
  • Weight: 0.3 kg
  • Dimensions: 2.0 cm x 19.7 cm x 26.1 cm
  • Shipping port: Xiamen
  • Warranty: 12 months

Tags

Circuit Boards UNITROL Excitation Systems
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Product Description

Description

The ABB HIEE450964R0001 (SA9923A-E) is a specialized circuit board designed specifically for deployment within ABB UNITROL excitation systems. This dedicated control and interface module plays a critical role in managing excitation control logic, firing pulses, and regulator functions to maintain stable synchronous generator operation across power generation and heavy industrial facilities.

Engineered for high reliability in continuous power applications, the SA9923A-E circuit board integrates directly into the UNITROL rack architecture, interfacing smoothly with neighboring processor and I/O cards. It processes internal system signals and communicates diagnostic metrics to ensure continuous generator field regulation and rapid fault detection during changing load conditions.

Features

  • Original ABB component designed for UNITROL excitation system platforms
  • Precision surface-mount circuitry engineered for stable electrical performance in high-noise environments
  • Integrated processor and interface logic for real-time excitation control loops
  • Direct rack-mounting compatibility with standard UNITROL subracks
  • Built-in diagnostic indicators for fast status monitoring and troubleshooting

Applications

  • Synchronous generator excitation control
  • Power generation plants (hydro, thermal, and gas turbine)
  • Large industrial synchronous motor drives
  • Utility substation power systems

Technical Specifications

Parameter Specification
Manufacturer ABB
Part Number / Model HIEE450964R0001
Alternate / Type Designation SA9923A-E
Product Family UNITROL Excitation Systems
Product Type Circuit Board / Control Module
Country of Origin Sweden
Net Weight 0.3 kg
Dimensions 2.0 cm x 19.7 cm x 26.1 cm
Mounting Type Rack-mounted module

Installation Guidelines

  1. Verify that the replacement part number (ABB HIEE450964R0001 SA9923A-E) matches the exact specifications of the unit being replaced.
  2. De-energize the UNITROL excitation cabinet and follow all lockout/tagout (LOTO) safety procedures before handling any internal hardware.
  3. Inspect the replacement circuit board for any shipping damage or bent pins prior to installation.
  4. Slide the circuit board carefully along the designated guide rails into the UNITROL subrack slot, ensuring proper backplane connector alignment.
  5. Secure any retention fasteners to lock the board firmly into position.
  6. Restore system power and verify normal LED status indicators and excitation control parameters through the system HMI or engineering software.
Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
FAQ
What system is the ABB HIEE450964R0001 SA9923A-E circuit board used in?
The ABB HIEE450964R0001 SA9923A-E circuit board is designed specifically for use within ABB UNITROL excitation systems to manage generator field regulation and control functions.
What are the physical dimensions and weight of this circuit board?
The ABB HIEE450964R0001 SA9923A-E circuit board measures approximately 2.0 cm x 19.7 cm x 26.1 cm and has a net weight of 0.3 kg.
Is the SA9923A-E designation the same as the HIEE450964R0001 part number?
Yes, the ABB HIEE450964R0001 part number and the SA9923A-E designation refer to the same exact circuit board module used in UNITROL applications.
How should the circuit board be handled during installation?
The ABB HIEE450964R0001 SA9923A-E circuit board should be handled using standard ESD safety precautions, ensuring the excitation system rack is fully de-energized before insertion or removal.
Reviews

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HIEE450964R0001 SA9923A-E

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ABB HIEE450964R0001 SA9923A-E Circuit Board

Only 2 item(s) left in stock

  • Manufacturer: ABB

  • Product No.: HIEE450964R0001 SA9923A-E

  • Country of origin:Switzerland

  • Product Type: Circuit Boards

  • Barcode: 8537101190

  • Payment: T/T, Western Union

  • Weight: 300g

  • Dimensions: 2.0 cm x 19.7 cm x 26.1 cm

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Description
FAQ
Shipping Returns
Additional details
Reviews

Description

The ABB HIEE450964R0001 (SA9923A-E) is a specialized circuit board designed specifically for deployment within ABB UNITROL excitation systems. This dedicated control and interface module plays a critical role in managing excitation control logic, firing pulses, and regulator functions to maintain stable synchronous generator operation across power generation and heavy industrial facilities.

Engineered for high reliability in continuous power applications, the SA9923A-E circuit board integrates directly into the UNITROL rack architecture, interfacing smoothly with neighboring processor and I/O cards. It processes internal system signals and communicates diagnostic metrics to ensure continuous generator field regulation and rapid fault detection during changing load conditions.

Features

  • Original ABB component designed for UNITROL excitation system platforms
  • Precision surface-mount circuitry engineered for stable electrical performance in high-noise environments
  • Integrated processor and interface logic for real-time excitation control loops
  • Direct rack-mounting compatibility with standard UNITROL subracks
  • Built-in diagnostic indicators for fast status monitoring and troubleshooting

Applications

  • Synchronous generator excitation control
  • Power generation plants (hydro, thermal, and gas turbine)
  • Large industrial synchronous motor drives
  • Utility substation power systems

Technical Specifications

Parameter Specification
Manufacturer ABB
Part Number / Model HIEE450964R0001
Alternate / Type Designation SA9923A-E
Product Family UNITROL Excitation Systems
Product Type Circuit Board / Control Module
Country of Origin Sweden
Net Weight 0.3 kg
Dimensions 2.0 cm x 19.7 cm x 26.1 cm
Mounting Type Rack-mounted module

Installation Guidelines

  1. Verify that the replacement part number (ABB HIEE450964R0001 SA9923A-E) matches the exact specifications of the unit being replaced.
  2. De-energize the UNITROL excitation cabinet and follow all lockout/tagout (LOTO) safety procedures before handling any internal hardware.
  3. Inspect the replacement circuit board for any shipping damage or bent pins prior to installation.
  4. Slide the circuit board carefully along the designated guide rails into the UNITROL subrack slot, ensuring proper backplane connector alignment.
  5. Secure any retention fasteners to lock the board firmly into position.
  6. Restore system power and verify normal LED status indicators and excitation control parameters through the system HMI or engineering software.
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Key Features:
#Circuit Boards #UNITROL Excitation Systems

What system is the ABB HIEE450964R0001 SA9923A-E circuit board used in?
The ABB HIEE450964R0001 SA9923A-E circuit board is designed specifically for use within ABB UNITROL excitation systems to manage generator field regulation and control functions.

What are the physical dimensions and weight of this circuit board?
The ABB HIEE450964R0001 SA9923A-E circuit board measures approximately 2.0 cm x 19.7 cm x 26.1 cm and has a net weight of 0.3 kg.

Is the SA9923A-E designation the same as the HIEE450964R0001 part number?
Yes, the ABB HIEE450964R0001 part number and the SA9923A-E designation refer to the same exact circuit board module used in UNITROL applications.

How should the circuit board be handled during installation?
The ABB HIEE450964R0001 SA9923A-E circuit board should be handled using standard ESD safety precautions, ensuring the excitation system rack is fully de-energized before insertion or removal.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
Switzerland

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