NTA-4A-2DD Electronic Control Board Assembly
The NTA-4A-2DD (Part Number 152039) is a heavy-duty industrial electronic control board assembly, functioning primarily as an Automatic Voltage Regulator (AVR) for generator systems. Enclosed in a rugged rectangular metal housing, this board is designed to withstand demanding industrial environments while providing critical voltage regulation. The printed circuit board (PCB) is engineered with high-grade components, featuring large electrolytic capacitors for stable power delivery, yellow transformers for reliable voltage isolation, and durable terminal blocks for secure electrical connections. Additionally, it includes blue adjustment potentiometers, allowing technicians to precisely calibrate voltage and stability settings for optimal generator performance.
Technical Specifications:
- Model / Part Number: NTA-4A-2DD / 152039
- Product Type: Industrial Electronic Control Board Assembly (Automatic Voltage Regulator)
- Physical Construction: Enclosed in a protective rectangular metal housing for enhanced durability and shielding
- Key Components & Adjustments: Integrated electrolytic capacitors, transformers, terminal blocks, and blue potentiometers for precise tuning

| Model | NTA-4A-2DD |
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ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
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Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
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- are packaged with great care, ensuring your order and the contents it contains, makes it safely through the delivery network
NTA-4A-2DD Electronic Control Board Assembly
Ensure stable and reliable power regulation with the NTA-4A-2DD Electronic Control Board Assembly (152039). Featuring a durable metal housing, high-quality PCB components, and precise potentiometer adjustments, this industrial AVR replacement part is essential for maintaining optimal generator performance and voltage stability.

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