---
product_id: 114649730
title: "SMARTGEN HGM6120N Automatic Start Generator Controller (AMF)"
brand: "rt-parts"
price: "$767.73"
currency: USD
in_stock: true
category: "Rt Parts"
url: https://www.desertcart.us/products/114649730-smartgen-hgm6120n-automatic-start-generator-controller-amf
store_origin: US
region: United States of America
---

# RS485 & CANBUS multi-protocol comms Microprocessor precision control 132x64 backlit LCD display SMARTGEN HGM6120N Automatic Start Generator Controller (AMF)

**Brand:** rt-parts
**Price:** $767.73
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your control game with SMARTGEN precision and connectivity!

## Quick Answers

- **What is this?** SMARTGEN HGM6120N Automatic Start Generator Controller (AMF) by rt-parts
- **How much does it cost?** $767.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/114649730-smartgen-hgm6120n-automatic-start-generator-controller-amf)

## Best For

- rt-parts enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Integration:** Compact design with simple connections fits any automatic genset control system.
- • **Rugged & Reliable Build:** Acrylic scratch-resistant screen and silica-gel keys built to withstand extreme temps.
- • **Remote Control & Monitoring:** Stay connected anywhere via RS485/CANBUS for remote start, measure, and communication.
- • **Seamless Auto Power Management:** Effortlessly switches between mains and generator with AMF for zero downtime.
- • **Multilingual Intuitive Interface:** Operate confidently with 8 language options and a crystal-clear backlit LCD.

## Overview

The SMARTGEN HGM6120N is an advanced automatic start generator controller featuring a high-resolution backlit LCD, multilingual support, and microprocessor-based precision measurement. It enables automatic start/stop, mains/generator switching (AMF), and remote control via RS485 and CANBUS ports, all housed in a durable, temperature-resistant design ideal for seamless genset automation.

## Description

HGM6100N series automatic controller, integrating digital, intelligent and network techniques, is used for automatic control and monitoring system of genset. It can carry out functions of automatic start/stop, data measurement, alarm protection and three вЂњremoteвЂќ (remote control, remote measure and remote communication). The controller uses LCD display, optional display interface including Chinese, English, Spanish, Russian, Portuguese, Turkey, Polish and French with easy and reliable operation. HGM6100N series automatic controller uses micro-processing technique which can achieve precision measurement, value adjustment, timing and threshold setting etc.. All the parameters can be configured from front panel or use USB interface (or RS485 interface) to adjust via PC. It can be widely used in all types of automatic control system for its compact structure, simple connections and high reliability.PERFORMANCE AND CHARACTERISTICS:HGM6100N controller has six variants:HGM6110N/6110NC/6110CAN: Automatic Start Module, it controls generator to start/stop by remote start signal;HGM6120N/6120NC/6120CAN: Based on HGM6110N/6110NC/6110CAN, it adds mains AC monitoring and mains/generator automatic switching control (AMF), especially suitable for the automation system composed by mains and genset.Note1: HGM6110NC/6120NC has RS485 port, HGM6110N/6120N without. HGM6110CAN/6120CAN has CAN port, HGM6110N/6120N and HGM6110NC/6120NC without.Note2: HGM6110/6120 is taken as an example to describe in this manual.1. 132*64 LCD display with backlight, optional language interface (Chinese, English, Spanish, Russian, Portuguese, Turkey, Polish and French), push-button operation;2. Acrylic screen, improved wearable and scratch resistance property; 3. Silica-gel panel and keys can well adapt to higher and lower temperature;4. With RS485 communication port, can achieve вЂњthree remoteвЂќ functions via MODBUS protocol;5. With CANBUS port which can be connected to electronic injection with J193

## Features

- automatic controller
- integrating digital
- intelligent and network techniques
- used for automatic control and monitoring system of genset
- micro-processing technique which can achieve precision measurement

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0771NCZR5 |
| Batteries required | No |
| Best Sellers Rank | #1,049,964 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,221 in Renewable Energy Controllers |
| Customer Reviews | 5.0 5.0 out of 5 stars (2) |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.78 pounds |
| Item model number | HGM6120N |
| Manufacturer | SMARTGEN |
| Product Dimensions | 8.23 x 6.54 x 1.73 inches |

## Product Details

- **Brand:** RT-PARTS
- **Color:** black
- **Display Type:** LCD
- **Item Weight:** 0.81 Kilograms
- **UPC:** 192408543217

## Images

![SMARTGEN HGM6120N Automatic Start Generator Controller (AMF) - Image 1](https://m.media-amazon.com/images/I/619IgflReoL.jpg)
![SMARTGEN HGM6120N Automatic Start Generator Controller (AMF) - Image 2](https://m.media-amazon.com/images/I/61pXaZMPwrL.jpg)
![SMARTGEN HGM6120N Automatic Start Generator Controller (AMF) - Image 3](https://m.media-amazon.com/images/I/61ocA0LJ8dL.jpg)
![SMARTGEN HGM6120N Automatic Start Generator Controller (AMF) - Image 4](https://m.media-amazon.com/images/I/71dUiktxkpL.jpg)
![SMARTGEN HGM6120N Automatic Start Generator Controller (AMF) - Image 5](https://m.media-amazon.com/images/I/51HMkvie-oL.jpg)

## Questions & Answers

**Q: favor diganme si tienen el modelo hgm 6120 gracis**
A: Dear Maria,
The SmartGen HGM6120 model has not been manufactured anymore for last few years . It was officially replaced by the HGM6120N model having same price, dimensions and features, but newer front side design and some additional settings.

**Q: my smart gen is fault with when put in auto the generator start up for 2 seconds and stop and start again**
A: You should check device error messages to clarify the issue.

**Q: what generators will this work with?**
A: This controller is compatible with any gensets having engines without j1939 canbus interface.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-13*