--- product_id: 522521085 title: "QNK 4KW 5.5HP AC 220V 17A VFD Converter Single to 3 Phase Inverter Variable F..." brand: "qnk" price: "¥53982" currency: JPY in_stock: true category: "Qnk" url: https://www.desertcart.jp/products/522521085-qnk-4kw-5-5hp-ac-220v-17a-vfd-converter-single store_origin: JP region: Japan --- # 4KW (5.5HP) power output 0-2000Hz variable frequency range Advanced multi-protection safety features QNK 4KW 5.5HP AC 220V 17A VFD Converter Single to 3 Phase Inverter Variable F... **Brand:** qnk **Price:** ¥53982 **Availability:** ✅ In Stock ## Summary > ⚙️ Drive Your Precision, Silence Your Noise — Power Meets Control! ## Quick Answers - **What is this?** QNK 4KW 5.5HP AC 220V 17A VFD Converter Single to 3 Phase Inverter Variable F... by qnk - **How much does it cost?** ¥53982 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/522521085-qnk-4kw-5-5hp-ac-220v-17a-vfd-converter-single) ## Best For - qnk enthusiasts ## Why This Product - Trusted qnk brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Powerful 4KW Output:** Unleash consistent 5.5HP performance for demanding CNC spindle motors and industrial equipment. - • **Built to Last & Protect:** Copper coil internals, nonflammable casing, and multi-grid cooling keep your drive safe from overload, dust, and heat. - • **Whisper-Quiet Operation:** Advanced PWM tech ensures low noise and minimal electromagnetic interference for a distraction-free workspace. - • **Ultra-Flexible Frequency Control:** Seamlessly adjust speeds from 0 to 2000Hz with digital, analog, and RS485 MODBUS communication options. - • **Versatile Industrial Compatibility:** Perfect for CNC routers, milling machines, pumps, compressors, and grinders — elevate your entire workflow. ## Overview The QNK 4KW 5.5HP 220V AC VFD Converter transforms single-phase input into a stable 3-phase output with up to 2000Hz frequency control, ideal for CNC spindle motors and industrial machinery. Featuring advanced PWM technology for low noise and EMI, robust safety protections, and versatile control modes including MODBUS communication, this durable inverter ensures efficient, precise motor speed management in demanding professional environments. ## Description Buy QNK 4KW 5.5HP 220V AC 17A VFD Converter Single to 3 Phase Inverter | Variable Frequency Drive for CNC Spindle Motor Speed Controller: Controls - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - 【4KW (5.5HP) Variable Frequency Drive】Input: 1-phase/3-phase 220 VAC (+/- 15%), 0- 17 A, and 50/60 Hz. Output: 3-phase 220 VAC, 0-17A, and 0-2,000 Hz. - 【Low-Noise Operation & Low Electromagnetic Interference】 The PMW control technology and a component compatibility design allow this VFD for low-noise operation and low electromagnetic interference. - 【V/F Control & Vector Control】 The VFD frequency setting mode includes digital setting, analog setting, serial communication setting (RS485 communication port, adopting standard international MODBUS main circuit control), PID setting (advanced calculus PID closed-loop arithmetic, quick responding speed, and high suitability), etc. - 【Improved Safety & Durability】QNK VFD features protective functions for overload, fuse, over voltage (DC voltage>400V) or under voltage (DC voltage<200V), restart, stall, short circuit, and overheat. Moreover, it comes with copper coil internals and a nonflammable exterior for durability and a multi-grid design with enough cooling space between the electronic components and the case for fast heat dissipation.It also can prevent dust, water mist entering the circuit board section effectively. - 【Wide Application】The VFD can be used in various types of equipment such as Spindle Motors, CNC Routers, Milling Machines, Pumps, Compressors, Grinders, among others. - 【Attention】Please Note:1.This VFD surpport external resistor!!! If your motor is heavy load, pls choose a higher power level VFD or contact sales for model selection suggestion. 2.The VFD can’t be used as a power source for other equipment, or to drive a motor with a supply voltage lower than 90V. 3.Do not connect the VFD’s output terminals with capacitive loads.4.Choose a VFD with a larger power output when operating heavy equipment like the crane and compressor, e.g.,a 5.5 Kw motor should be connected to a 7.5 Kw VFD. 4.If a generator is used to power the VFD, ensure that the generator's output voltage level is within +/-15%. - 【Customer Service】If there is an error code in the product and you do not know how to operate,or other questions of this product,pls feel free to contact us. Customer Support Team will help you as soon as we can within 24h. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BS3JPGJY | | Antenna Location | Home | | Battery Capacity | 17 amp_hours | | Best Sellers Rank | #75,093 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #17 in Electrical Motor Controls | | Brand | QNK | | Color | Black | | Customer Reviews | 4.2 4.2 out of 5 stars (18) | | Display Type | Digital | | Electrical Output Waveform | Pure Sine Wave | | Frequency | 60 hertz | | Input Voltage | 220 volts | | Manufacturer | QNK | | Mfr Part Number | QNK | | Model Name | 4KW 5.5HP 220V AC 17A VFD Converter | | Model Number | 4KW220V | | Output Power | 4 KW | | Output Voltage | 220 volts | | Peak Output Power Watts | 4000 | | Power Source | 220v | | Standby Power Shutoff | 90 | | UPC | 729162004748 | | Wattage | 4 KW | ## Product Details - **Battery Capacity:** 17 amp_hours - **Brand:** QNK - **Power Source:** 220v - **Recommended Uses For Product:** Home - **Wattage:** 4 KW ## Images ![QNK 4KW 5.5HP AC 220V 17A VFD Converter Single to 3 Phase Inverter Variable F... - Image 1](https://m.media-amazon.com/images/I/61zpQwas2WL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Can the vfd be used to drive a single phase induction motor for a fan?d** A: Thank you for getting in touch. Using a VFD for a single-phase fan motor isn't usually a good idea due to the motor's high starting current, which can stress both the motor and the VFD. If you still want to use a VFD, you must carefully choose one with a much higher power rating than the motor. For instance, if the motor is 1.5KW, go for a VFD between 3KW and 5.5KW. **Q: Will this work on a wood turning lathe to make variable speed** A: Thank you for your message. Our variable frequency drives work well with wood turning lathes that have spindle motors. If your lathe has a different motor or is a planer, compatibility depends on the motor's power. Please check your lathe's motor specifications or consult your lathe manufacturer or an electrician for guidance. If you have more details about your lathe, feel free to share them for further assistance. We're here to help with any questions you have. **Q: Where can I download a manual for this?** A: Hi, Eli G. Thank you for bringing this to my attention. Here's the link to the user manual for this inverter. https://m.media-amazon.com/images/I/A1Qyd6MaAbL.pdf Hope this helps. Best regards, Helen | Customer Service | QNK Support Team **Q: Hola, queria preguntar, el voltaje de entrada puede ser 220v entre fase y fase o tiene que ser 220v entre fase y neutro?** A: hola, el voltaje de entrada ser 220v entre fase y fase. ## Frequently Bought Together - QNK 4KW 5.5HP 220V AC 17A VFD Converter Single to 3 Phase Inverter Variable Frequency Drive for CNC Spindle Motor Speed Controller - Mitutoyo 050101, Edge Finder, 3/8" Dia. Shank, .200" Dia. Tip - AUTOTOOLHOME 1/8" 3/16" 1/4" 5/16" 3/8" 1/2" high Speed Steel HSS 4 Flute Straight End Mill Cutter 5/32" 1/16" Set of 8 --- ## 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/522521085-qnk-4kw-5-5hp-ac-220v-17a-vfd-converter-single](https://www.desertcart.jp/products/522521085-qnk-4kw-5-5hp-ac-220v-17a-vfd-converter-single) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-06*