---
product_id: 165407226
title: "500W CNC Air Cooled Spindle Motor ER11 12000RPM | with Input Voltage AC110V-220V Speed Controller with Power Supply + 52mm Clamp for CNC Router Milling Machine"
brand: "rattmmotor"
price: "156657CFA"
currency: XOF
in_stock: true
category: "Rattmmotor"
url: https://www.desertcart.sn/products/165407226-500w-cnc-air-cooled-spindle-motor-er11-12000rpm-with-input
store_origin: SN
region: Senegal
---

# 500W high power output 12000 RPM max speed Air-cooled for long runtime 500W CNC Air Cooled Spindle Motor ER11 12000RPM | with Input Voltage AC110V-220V Speed Controller with Power Supply + 52mm Clamp for CNC Router Milling Machine

**Brand:** rattmmotor
**Price:** 156657CFA
**Availability:** ✅ In Stock

## Summary

> ⚙️ Power your CNC projects with precision and unstoppable speed!

## Quick Answers

- **What is this?** 500W CNC Air Cooled Spindle Motor ER11 12000RPM | with Input Voltage AC110V-220V Speed Controller with Power Supply + 52mm Clamp for CNC Router Milling Machine by rattmmotor
- **How much does it cost?** 156657CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/165407226-500w-cnc-air-cooled-spindle-motor-er11-12000rpm-with-input)

## Best For

- rattmmotor enthusiasts

## Why This Product

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

## Key Features

- • **Speed That Adapts:** Variable 2000-12000 RPM with pulse width tech ensures ultra-stable rotation
- • **Cool Under Pressure:** Integrated air cooling fan keeps the spindle running quietly and reliably for hours
- • **Safe & Smooth Start:** Soft start and overcurrent protection safeguard your machine and workflow
- • **Global Voltage Ready:** Supports AC110V-220V ±10% for worldwide compatibility and convenience
- • **Precision at Peak Power:** 500W motor delivers robust torque for flawless milling performance

## Overview

The RATTMMOTOR 500W CNC Air Cooled Spindle Motor features a high-performance 500W motor capable of speeds up to 12000 RPM, supported by a variable speed controller with global voltage compatibility (AC110V-220V). Its air-cooled design ensures quiet, long-duration operation, while built-in safety features like soft start and overcurrent protection provide reliable and stable milling for professional CNC router applications.

## Description

Buy RATTMMOTOR 500W CNC Air Cooled Spindle Motor ER11 12000RPM + Input Voltage AC110V-220V Speed Controller with Power Supply + 52mm Clamp for CNC Router Milling Machine: Motor Speed Controllers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Air Cooled Spindle-- Power: 500W; Idling Speed: 2000-12000r/min; Torque：0.5NM; Diameter: 52mm.
- Speed Controller-- Armature output voltage: DC0 ~ 100V adjustable; Input Voltage: AC100-AC220V±10% Global voltage 50/60Hz(User can change the power supply to 110V according to their needs); Current Limit: 6A; Wiring: Terminal type (Convenient and fast).
- Adopt pulse width technology to make the speed more stable, and the speed is high under low speed.
- With overcurrent protection cut-off device to make performance more reliable; With a soft start device to eliminate motor starting current is too large.
- Note: This motor has quiet operation, small volume and high speed, and the rear end of the motor is reinforced with a cooling fan, which can be safely worked for a long time!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07ZHFV4N5 |
| Best Sellers Rank | #254,785 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #258 in Motor Speed Controllers |
| Brand Name | RATTMMOTOR |
| Customer Reviews | 4.4 4.4 out of 5 stars (45) |
| Horsepower | 500 Watts |
| Item Weight | 1.67 Kilograms |
| Manufacturer | RTM |
| Material Type | Stainless Steel |
| Shaft Diameter | 16 Millimeters |
| Speed | 12000 RPM |
| UPC | 769135311916 |
| Voltage | 220 Volts |

## Product Details

- **Brand:** RATTMMOTOR
- **Horsepower:** 500 Watts
- **Material:** Stainless Steel
- **Speed:** 12000 RPM
- **Voltage:** 220 Volts

## Images

![500W CNC Air Cooled Spindle Motor ER11 12000RPM | with Input Voltage AC110V-220V Speed Controller with Power Supply + 52mm Clamp for CNC Router Milling Machine - Image 1](https://m.media-amazon.com/images/I/819U4RPkugL.jpg)

## Questions & Answers

**Q: what size is the screws? also if it is metric or imperial.**
A: The bracket screws are M5 x 0.8

**Q: On the label "power". Which screw is plus and which screw is minus? They are labeled 5 and 6.**
A: Those are for main AC voltage in (110V/220V from the wall) there is no + nor -

**Q: brackets--how many? I need 2**
A: There is one bracket (as shown).  
Not sure why you need two brackets, the one that is included is sturdy enough (it is solid aluminum) to stabilize the motor.

**Q: Did motor is water-resistant or waterproof?**
A: this one isn't waterproof

## Frequently Bought Together

- RATTMMOTOR 500W CNC Air Cooled Spindle Motor ER11 12000RPM + Input Voltage AC110V-220V Speed Controller with Power Supply + 52mm Clamp for CNC Router Milling Machine
- Doesbot CNC 3018 Update Kit, Including Sliding Table with Motor, 52mm Spindle Fixture, X Axis Scs10uu Slider, T8 lead 4mm screw nut and fixing seat, With 2 limit switches

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**Shop now:** [https://www.desertcart.sn/products/165407226-500w-cnc-air-cooled-spindle-motor-er11-12000rpm-with-input](https://www.desertcart.sn/products/165407226-500w-cnc-air-cooled-spindle-motor-er11-12000rpm-with-input)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-08-07*