---
product_id: 14123624
title: "AmpFlow A28-400 Brushed Electric Motor, 12V, 24V or 36 VDC, 4900 RPM"
brand: "ampflow"
price: "€ 664.45"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/14123624-ampflow-a28-400-brushed-electric-motor-12v-24v-or-36
store_origin: IE
region: Ireland
---

# 4900 RPM 25 Nm Torque 12V-36V AmpFlow A28-400 Brushed Electric Motor, 12V, 24V or 36 VDC, 4900 RPM

**Brand:** ampflow
**Price:** € 664.45
**Availability:** ✅ In Stock

## Summary

> ⚙️ Power Up Your Projects with Precision!

## Quick Answers

- **What is this?** AmpFlow A28-400 Brushed Electric Motor, 12V, 24V or 36 VDC, 4900 RPM by ampflow
- **How much does it cost?** € 664.45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/14123624-ampflow-a28-400-brushed-electric-motor-12v-24v-or-36)

## Best For

- ampflow enthusiasts

## Why This Product

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

## Key Features

- • **Torque Master:** Delivering a robust 25 Nm stall torque, it’s built to handle the toughest tasks.
- • **Unleash Power:** Experience a maximum output of 3200 watts (4.3 HP) for your projects.
- • **Compact Design:** Measuring just 3.0 inches in diameter, it fits seamlessly into your designs.
- • **Peak Performance:** Achieve 83% efficiency at 24V, ensuring you get the most out of every watt.
- • **Versatile Voltage:** Compatible with 12V, 24V, and 36VDC for ultimate flexibility.

## Overview

The A28-400 Brushed Electric Motor is a high-performance motor designed for versatility and efficiency. With a no-load speed of 4900 RPM and compatibility with voltages ranging from 12V to 36VDC, it delivers a maximum power of 3200 watts and a stall torque of 25 Nm. Its compact size and peak efficiency of 83% at 24V make it an ideal choice for various applications.

## Description

The AmpFlow A28-400 motor is designed to deliver the highest performance and efficiency possible from a brushed DC motor of this size. This is achieved by the use of rare-earth neodymium magnets, along with four brushes, and advanced electromagnetic computer modeling and design. This reversible motor can be used at voltages ranging from 12V to 36V (the RPM is proportional to the voltage.) At 24 Volts, it has a no-load speed of 4900 RPM. Peak short-term power output is 3200 Watts (4.3 horsepower). Peak efficiency of 83% is reached while drawing 50 Amps at 4500 RPM. The power output at 50 Amps is 1000 Watts (1.3 horsepower). These motors are made from two sturdy aluminum castings and a seamless body. The A28-400 motor is 3.0 inches in diameter and 6.7 inches long. The 1/2-inch diameter shaft is two inches long, and it rides in two high-quality ball bearings. There is a short 3/8-inch diameter shaft on the rear of the motor for mounting an optical encoder. The heavy-gauge 12 AWG motor leads are 17 inches long. The motor weighs 6.9 pounds, and it is finished in a high-quality black powder-coat paint. This motor is also available with an optional gearhead. Search  for "AmpFlow Gearmotors". AmpFlow® motors are used in diverse applications, including robots, industrial motion control, factory automation, semiconductor manufacturing, power tools, pumps, and personal transport systems. Search  for "AmpFlow motors" for more choices.

## Features

- Measures 3.0 inches diameter (77 mm) by 6.7 inches long (170 mm)
- No-load rpm: 4900 at 24 volts; Can be used with voltages ranging from 12V to 36VDC
- Maximum power: 3200 watts (4.3 horsepower); Maximum stall torque: 25 Nm (3560 oz-in)
- Peak efficiency at 24V: 83% at 50 amps and 4500 RPM
- Power and torque at peak efficiency: 1000 watts (1.3 horsepower) and 1350 mNm (300 oz-in)

## Product Details

- **Brand:** AmpFlow
- **Speed:** 4900 RPM
- **Voltage:** 12 Volts, 24 Volts
- **Horsepower:** 1000 Watts
- **Material:** Aluminum

## Images

![AmpFlow A28-400 Brushed Electric Motor, 12V, 24V or 36 VDC, 4900 RPM - Image 1](https://m.media-amazon.com/images/I/61-AiZvJJOL.jpg)

## Frequently Bought Together

- AmpFlow A28-400 Brushed Electric Motor, 12V, 24V or 36 VDC, 4900 RPM
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**Shop now:** [https://www.desertcart.ie/products/14123624-ampflow-a28-400-brushed-electric-motor-12v-24v-or-36](https://www.desertcart.ie/products/14123624-ampflow-a28-400-brushed-electric-motor-12v-24v-or-36)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-01-26*