--- product_id: 130171299 title: "VFD Inverter 380V 4KW,3 phase 380V 12A Variable Frequency Drive Converter,Variable Frequency Converter,for Motor Speed Controller PWM V/F Control" brand: "jectse" price: "1684 zł" currency: PLN in_stock: true reviews_count: 7 category: "Jectse" url: https://www.desertcart.pl/products/130171299-vfd-inverter-380v-4kw-3-phase-380v-12a-variable-frequency store_origin: PL region: Poland --- # 4KW high power output Up to 400Hz max output frequency 3-phase 380V input for industrial-grade performance VFD Inverter 380V 4KW,3 phase 380V 12A Variable Frequency Drive Converter,Variable Frequency Converter,for Motor Speed Controller PWM V/F Control **Brand:** jectse **Price:** 1684 zł **Availability:** ✅ In Stock ## Summary > ⚙️ Power your motors with precision and confidence — don’t get left behind in the automation revolution! ## Quick Answers - **What is this?** VFD Inverter 380V 4KW,3 phase 380V 12A Variable Frequency Drive Converter,Variable Frequency Converter,for Motor Speed Controller PWM V/F Control by jectse - **How much does it cost?** 1684 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/130171299-vfd-inverter-380v-4kw-3-phase-380v-12a-variable-frequency) ## Best For - jectse enthusiasts ## Why This Product - Trusted jectse brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Advanced PWM Technology:** Optimized low-noise, low-EMI PWM control ensures your workspace stays quiet and interference-free. - • **Robust Multi-Protection System:** Built-in safeguards against undervoltage, overvoltage, overheating, and short circuits keep your equipment and team safe. - • **Precision Torque & Speed Control:** Experience ultra-smooth motor operation with high torque and wide speed range, perfect for demanding industrial applications. - • **Effortless Integration & Operation:** Supports multiple external control signals and fast start/stop response for seamless automation workflows. - • **Durable Design for Harsh Environments:** Engineered to withstand dust, humidity, and temperature fluctuations with superior heat dissipation. ## Overview The Jectse AT3-4000X is a 4KW, 3-phase 380V variable frequency drive designed for precise motor speed control with PWM V/F technology. It delivers up to 400Hz output frequency, features comprehensive protection mechanisms, and supports multiple control inputs for versatile industrial automation. Built for stability and durability, it adapts to challenging environments while minimizing noise and electromagnetic interference. ## Description VFD Inverter 380V 4KW,3 phase 380V 12A Variable Frequency Drive Converter,Variable Frequency Converter,for Motor Speed Controller PWM V/F Control: desertcart.co.uk: Business, Industry & Science Review: worked for a week and then stopped working - We fitted this 22 days after receiving it - it worked immediately and one week later it stopped working It is outside its automatic return period Review: Waste of money!! - Product purchased and delivered on time but Fitted and does not work, save yourselves the hastle the price is too good to be true. Straight out the box Fault codes and smell of burning with no motor connected. Electricians fees to pay now on top of more time and money wasted. Never again ## Features - STABLE AND SAFE：The three-phase inverter adopts a unique control mode to achieve high torque, high precision and wide speed drive, which meets the trend of high performance of general-purpose inverters; Performance and ability to adapt to harsh grid, temperature, humidity and dust interference greatly enhances product stability. - PWM CONTROL：XSY-AT meets the user's low noise and low electromagnetic interference environment requirements by optimizing the overall design of PWM control technology and electromagnetic compatibility. - EASY OPERATION：Remove the direct wiring with screws. Externally connectable potentiometer 0—10V, 0—5V, 4-20mA stepless speed control, 6 multi-function inputs, 2 outputs (optional relay), up to 8 speed control, start stop response time Fast, low speed is very large, the inverter's maximum output frequency is 400hz. - 6 HEAVY PROTECTION：Protection against undervoltage, overvoltage, overcurrent, overheating, overload, short circuit, etc. Designed with large heat sink for better heat dissipation. Make sure you are safe. - SERVICE PLEDGE：At Jectse, we evaluate the customer's shopping experience, we ensure that sellers get what they want and offer great value for money. We are responsible for every customer. If you have any questions about the products or suggestions, please contact us in time, we will solve the problem for you in the first time. If you are not satisfied with the products received, we will replace them for you. Product or a full refund. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07NTNXQ42 | | Antenna Location | Vehicle | | Best Sellers Rank | 50,608 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 195 in Motor Speed Controllers | | Box Contents | Variable Frequency Drive | | Brand Name | Jectse | | Colour | 380vac 4kw | | Country of Origin | China | | Customer Reviews | 3.8 3.8 out of 5 stars (26) | | Electrical Output Waveform | Square Wave | | Frequency | 400 Hz | | Input Voltage | 380 Volts (AC) | | Item Dimensions L x W x H | 13L x 13W x 18H centimetres | | Item Weight | 1.52 Kilograms | | Manufacturer | Jectse | | Manufacturer Part Number | AT3-4000X | | Model Name | AT3-4000X | | Model Number | AT3-4000X | | Output Power | 4000 Watts | | Output Voltage | 380 Volts (AC) | | Peak Output Power Watts | 6000 | | Power Source | Three-phase | | Standby Power Shutoff | 90% or higher | | UPC | 747333999020 | | Wattage | 4 KW | ## Product Details - **Brand:** Jectse - **Model name:** AT3-4000X - **Power source:** Three-phase - **Recommended uses for product:** Vehicle - **Wattage:** 4 KW ## Images ![VFD Inverter 380V 4KW,3 phase 380V 12A Variable Frequency Drive Converter,Variable Frequency Converter,for Motor Speed Controller PWM V/F Control - Image 1](https://m.media-amazon.com/images/I/61zBH0oH3LL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐ worked for a week and then stopped working *by D***Q on 28 March 2025* We fitted this 22 days after receiving it - it worked immediately and one week later it stopped working It is outside its automatic return period ### ⭐ Waste of money!! *by S***D on 21 June 2023* Product purchased and delivered on time but Fitted and does not work, save yourselves the hastle the price is too good to be true. Straight out the box Fault codes and smell of burning with no motor connected. Electricians fees to pay now on top of more time and money wasted. Never again ### ⭐⭐⭐⭐⭐ Review *by M***O on 9 July 2024* un inverter potente e piccolo ad un costo contenuto e disponibile "subito" ## Frequently Bought Together - VFD Inverter 380V 4KW,3 Phase 380V 12A Variable Frequency Drive Converter,Variable Frequency Converter,for Motor Speed Controller PWM V/F Control - Heschen Pneumatic Hand Pull Mechanical Valve 4H210-08 2 Position 5 Way PT1/4 Manual Control Push-Pull with Fittings and Muffler - Heschen Straight Pneumatic Push to Quick Connect Fittings, PC6-01, PT1/8'' Male Thread Connector, 6mm Tube OD, 10PCS --- ## 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.pl/products/130171299-vfd-inverter-380v-4kw-3-phase-380v-12a-variable-frequency](https://www.desertcart.pl/products/130171299-vfd-inverter-380v-4kw-3-phase-380v-12a-variable-frequency) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-07*