---
product_id: 51888269
title: "MX321 AVR | Generic Replacement for Cummins MX321 Automatic V..."
brand: "thunder parts"
price: "€ 209.65"
currency: EUR
in_stock: null
reviews_count: 1
url: https://www.desertcart.gr/products/51888269-mx321-avr-generic-replacement-for-cummins-mx321-automatic-v
store_origin: GR
region: Greece
---

# Voltage: 190-264V AC Regulation: +/- 0.5% RMS Power Input: 170-220V AC MX321 AVR | Generic Replacement for Cummins MX321 Automatic V...

**Brand:** thunder parts
**Price:** € 209.65
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power Up Your Performance!

## Quick Answers

- **What is this?** MX321 AVR | Generic Replacement for Cummins MX321 Automatic V... by thunder parts
- **How much does it cost?** € 209.65 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/51888269-mx321-avr-generic-replacement-for-cummins-mx321-automatic-v)

## Best For

- thunder parts enthusiasts

## Why This Product

- Trusted thunder parts brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Regulation:** Experience flawless performance with +/- 0.5% RMS regulation.
- • **Unmatched Reliability:** Enjoy peace of mind with a 2-year warranty!
- • **Versatile Compatibility:** Designed for both 2 and 3-phase systems, ensuring seamless integration.
- • **Robust Output Performance:** Delivers a maximum of 120V DC with continuous 3.7A current.
- • **Efficient Power Management:** Soft start ramp time of 0.4 - 4 seconds for smooth operation.

## Overview

The MX321 AVR is a high-performance automatic voltage regulator designed as a generic replacement for Cummins MX321. It operates within a voltage range of 190-264V AC and supports both 2 and 3-phase systems. With a 2-year warranty, it ensures reliability and precision with a regulation of +/- 0.5% RMS, making it an essential component for efficient generator operation.

## Description

| MX321 AVR | Generic Replacement for Cummins MX321 Automatic Voltage Regulator for Generator | 2 Year Warranty!

## Features

- CUMMINS is a registered trademark of Cummins, Inc. - 2 Year Warranty!
- Voltage: 190 - 264V ac max, 2 or 3 phase. Frequency: 50 - 60 HZ nominal
- POWER INPUT: (PMG) Voltage: 170-220V ac max, 3 phase, 3 wire. Current: 3A/phase. Frequency: 100 - 120 Hz nominal
- OUTPUT: Voltage: max 120V dc Current: continuous 3.7 A. Intermittent 6A for 10 secs. Resistance: 15 ohms minimum
- REGULATION +/- 0.5% RMS with 4% engine governing
- THERMAL DRIFT 0.02% per deg. C chance in AVR ambient. SOFT START RAMP TIME 0.4 - 4 seconds

## Images

![MX321 AVR | Generic Replacement for Cummins MX321 Automatic V... - Image 1](https://m.media-amazon.com/images/I/618isO+qPKL.jpg)

## Questions & Answers

**Q: Is that the complete part number?  i am looking for mx321 avr ...**
A: That is the complete part number.

**Q: Will this work as an upgrade for an older genorator?**
A: Not for upgrade. To use with a PMA. If your generator doesn’t have one don’t use this.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very very Good service
*by A***R on May 18, 2021*

It was good, called and got some help

## Frequently Bought Together

- Thunder Parts | MX321 AVR | Generic Replacement for Cummins MX321 Automatic Voltage Regulator for Generator | 2 Year Warranty!
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**Shop now:** [https://www.desertcart.gr/products/51888269-mx321-avr-generic-replacement-for-cummins-mx321-automatic-v](https://www.desertcart.gr/products/51888269-mx321-avr-generic-replacement-for-cummins-mx321-automatic-v)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-02-21*