# AC Control Module 0521-2500-00 Rev A - National Oilwell Varco

The **AC Control Module 0521-2500-00 Rev A** from **National Oilwell Varco** is a critical component for industrial automation and marine applications. This module is designed to provide reliable and efficient control for the EMD 16-645E8 engine, ensuring optimal performance and system stability. It is ideal for systems operating at 900 RPM and 600 volts, 3-phase 60Hz.

This module includes the AC Auxiliary Board Assy 200D464 Fab 200D466 Rev B, designed to meet the demanding requirements of industrial setups. The board, manufactured in the USA, works seamlessly with the **AC Control Module** to facilitate precise operation and monitoring. Its robust build ensures it can withstand rigorous industrial conditions.

Key Features:

-   **Precise Control:** Ensures accurate engine operation.
-   **Durable Design:** Built to withstand demanding industrial environments.
-   **Compatibility:** Perfectly suited for the EMD 16-645E8 engine.
-   **Complete Assembly:** Includes the AC Auxiliary Board Assy.
-   **High Quality:** Manufactured in the USA.

Specifications:

-   Model Number: 0521-2500-00 Rev A
-   Brand: National Oilwell Varco
-   Engine Compatibility: EMD 16-645E8
-   Speed: 900 RPM
-   Voltage: 600 volts
-   Frequency: 60Hz
-   Weight: Approximately 9.840 kg

This **AC Control Module** offers dependable performance for your industrial and marine automation needs. Trust in the quality of **National Oilwell Varco** components for robust and reliable operation. Contact [info@ramautomations.com](mailto:info@ramautomations.com) or Ram Automations for more information to integrate this module into your systems today.

## Details

- **Price:** 999.0 USD
- **Vendor:** National Oilwell Varco
- **Type:** Industrial Automation > Control Modules > AC Control Module
- **Tags:** 0521-2500-00 Rev A, AC Control Module, Control Board, EMD 16-645E8, Industrial Automation, Marine Equipment, National Oilwell Varco

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Used | 999.00 USD | In stock |

## Images

- AC Control Module 0521-2500-00 Rev A - National Oilwell Varco-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/ac-control-module-0521-2500-00-rev-a)
> Updated: 2026-10-03