--- product_id: 165407226 title: "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" brand: "rattmmotor" price: "€ 172.93" currency: EUR in_stock: true reviews_count: 8 category: "Rattmmotor" url: https://www.desertcart.hr/products/165407226-rattmmotor-500w-cnc-air-cooled-spindle-motor-er11-12000rpm-input store_origin: HR region: Croatia --- # 500W high power output 12,000 RPM max speed Air-cooled for long runtime 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 **Brand:** rattmmotor **Price:** € 172.93 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your CNC game with power, precision, and cool confidence! ## Quick Answers - **What is this?** 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 by rattmmotor - **How much does it cost?** € 172.93 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/165407226-rattmmotor-500w-cnc-air-cooled-spindle-motor-er11-12000rpm-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 - • **Cool Under Pressure:** Advanced air cooling with rear fan ensures quiet, long-lasting operation without overheating. - • **User-Friendly Setup:** Terminal wiring and included 52mm clamp make installation quick and hassle-free. - • **Precision Powerhouse:** 500W motor delivers consistent torque for smooth milling and routing. - • **Stable Speed Control:** Pulse width modulation tech offers ultra-stable speed from 2000 to 12,000 RPM for flawless cuts. - • **Global Voltage Compatibility:** Supports AC110V-220V input, perfect for worldwide use with easy power supply adjustment. ## Overview The RATTMMOTOR 500W CNC Air Cooled Spindle Motor combines a robust 500W stainless steel build with a high-speed 12,000 RPM capability. Featuring advanced air cooling and a pulse width modulation speed controller compatible with global voltages (AC110V-220V), it ensures stable, quiet, and efficient milling performance. Designed for easy installation with a 52mm clamp and terminal wiring, this spindle motor is ideal for professional CNC router and milling machine users seeking reliable, long-duration operation. ## 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 Review: Power supply died after 3 usage. - I thought it was a good deal until it didn't work anymore, now I'm stuck with a nice motor but dead power supply. My return and product support windows have already closed. Review: Good value for the money - As some reviewers said it was getting hot to the touch, After several runs it is slightly warm now, It is verry quiet compared to the 775, 20,000 motor. Seems to have plenty of power to cuts most materials with ease I cut some aluminum and it did verry well. Verry easy to set up and mount. I would recommend this motor. ## 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 | #167,353 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #141 in Motor Speed Controllers | | Brand | RATTMMOTOR | | Brand Name | RATTMMOTOR | | Customer Reviews | 4.4 out of 5 stars 45 Reviews | | Horsepower | 500 Watts | | Item Weight | 1.67 Kilograms | | Manufacturer | RTM | | Material | Stainless Steel | | 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 ![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 - 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 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Power supply died after 3 usage. *by R***. on July 9, 2024* I thought it was a good deal until it didn't work anymore, now I'm stuck with a nice motor but dead power supply. My return and product support windows have already closed. ### ⭐⭐⭐⭐⭐ Good value for the money *by H***R on April 25, 2023* As some reviewers said it was getting hot to the touch, After several runs it is slightly warm now, It is verry quiet compared to the 775, 20,000 motor. Seems to have plenty of power to cuts most materials with ease I cut some aluminum and it did verry well. Verry easy to set up and mount. I would recommend this motor. ### ⭐⭐⭐⭐⭐ Good product *by R***Y on May 21, 2022* Good spindle when set up ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/165407226-rattmmotor-500w-cnc-air-cooled-spindle-motor-er11-12000rpm-input](https://www.desertcart.hr/products/165407226-rattmmotor-500w-cnc-air-cooled-spindle-motor-er11-12000rpm-input) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-13*