--- product_id: 439757374 title: "RATTMMOTOR 800W 110VDC CNC Spindle Motor Kit ER11 Air Cooled" brand: "rattmmotor" price: "¥48324" currency: JPY in_stock: true category: "Rattmmotor" url: https://www.desertcart.jp/products/439757374-rattmmotor-800w-110vdc-cnc-spindle-motor-kit-er11-air-cooled store_origin: JP region: Japan --- # 800W high power output Supports reverse rotation Air-cooled for sustained performance RATTMMOTOR 800W 110VDC CNC Spindle Motor Kit ER11 Air Cooled **Brand:** rattmmotor **Price:** ¥48324 **Availability:** ✅ In Stock ## Summary > ⚙️ Power your precision projects with unstoppable speed and cool confidence! ## Quick Answers - **What is this?** RATTMMOTOR 800W 110VDC CNC Spindle Motor Kit ER11 Air Cooled by rattmmotor - **How much does it cost?** ¥48324 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/439757374-rattmmotor-800w-110vdc-cnc-spindle-motor-kit-er11-air-cooled) ## 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 - • **Safe & Sound:** Built-in overcurrent protection and soft start reduce wear and tear, extending motor lifespan. - • **Flip the Script:** Easily switch rotation direction with reverse rotation support—flexibility at your fingertips. - • **Cool Under Pressure:** Advanced air cooling with rear fan ensures long-lasting, reliable operation without overheating. - • **Smart Speed Control:** Pulse width modulation tech stabilizes speed even at low RPMs, compatible with Mach3 for seamless CNC integration. - • **Power-Packed Precision:** 800W motor delivering up to 20,000 RPM for ultra-smooth CNC machining. ## Overview The RATTMMOTOR 800W 110VDC CNC Spindle Motor Kit features a robust 800W aluminum motor capable of speeds up to 20,000 RPM with 0.79NM torque. Its air-cooled design with a rear fan ensures continuous operation without overheating. The motor supports reverse rotation and includes a Mach3-compatible speed controller with pulse width modulation for stable speed control. Safety features like overcurrent protection and soft start enhance reliability, making it ideal for professional CNC applications. ## Description RATTMMOTOR 800W 110VDC CNC Spindle Motor Kit ER11 Air Cooled | Spindle Motor 20000RPM 0.79NM+Mach3 Fuction Motor Speed Controller Power Supply Converter AC110V/220V+52mm Mount Clamp - desertcart.com ## Features - 【Supports Reverse Rotation】As for the positive and negative wiring of the motor and the power supply, you can connect it at will. Because the motor supports reverse rotation, if you need the motor to rotate forward, just replace the interface. - 【Air Cooled Spindle】Power: 800W; Voltage: 110V; Idling Speed: 5000-20000r/min; Torque：0.79NM; Diameter: 52mm. - 【Speed Controller】 Power :800W; Input Voltage: AC100-AC220V±10% Global voltage 50/60Hz; Current Limit: 6A; Wiring: Terminal type (Convenient and fast); Support Mach3 Fuction. - 【Advantages】This power regulator can adjust 110 or 220v according to customers' needs. Adopt pulse width technology to make the speed more stable, and the speed is high under low speed. - 【Features】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 | B09X2H7M96 | | Best Sellers Rank | #635,763 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #649 in Electrical Motor Controls | | Brand Name | RATTMMOTOR | | Customer Reviews | 3.3 3.3 out of 5 stars (37) | | Horsepower | 800 watts | | Item Weight | 1.7 kg | | Manufacturer | RTM | | Material Type | Aluminum | | Model | 800W110V-5 | | Part Number | 800W110V-5 | | Shaft Diameter | 3.18 millimeters | | Speed | 20000 rpm | | Voltage | 110 volts | | Warranty Description | one year warranty | ## Product Details - **Brand:** RATTMMOTOR - **Horsepower:** 800 watts - **Material:** Aluminum - **Speed:** 20000 rpm - **Voltage:** 110 volts ## Images ![RATTMMOTOR 800W 110VDC CNC Spindle Motor Kit ER11 Air Cooled - Image 1](https://m.media-amazon.com/images/I/81fWxRonkZL.jpg) ## Questions & Answers **Q: What female slide-on terminals fit the terminals?** A: Standard 16 guage will do . any radio shack or electronics store will have them. Make sure the application you need it for is low torque. even though 800 watt is around i1 horse the torque might not be there for you. I can stop the spindle with my hand. **Q: Weight of spindle by itself?** A: 0.97KG（2.14IB） ## Frequently Bought Together - RATTMMOTOR 800W Spindle Motor Kit, 0.8KW 110V ER11 20000RPM 0.79NM Air Cooled DC Spindle Motor+Mach3 Fuction Motor Speed Controller Power Supply Converter AC110V/220V+52mm Mount Clamp for CNC Machine - Genmitsu 15PCS ER11 Precision Spring Collet Set for CNC Engraving Milling Lathe Chuck Tool, 1.0mm-7.0mm & 1/4", 1/8" - Genmitsu 40pcs End Mills CNC Router Bits, 1/8" Shank CNC Cutter Milling Carving Bit Set Including 2-Flute Flat Nose & Ball Nose, Nano Blue Coat & Titanium Coat, MC40A --- ## 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.jp/products/439757374-rattmmotor-800w-110vdc-cnc-spindle-motor-kit-er11-air-cooled](https://www.desertcart.jp/products/439757374-rattmmotor-800w-110vdc-cnc-spindle-motor-kit-er11-air-cooled) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-20*