--- product_id: 242656517 title: "CNC Digital Microstep driver DM542 Stepper Motor Driver Controller 2-phase 20-50V DC Max 4.2A 42 57 86 Motor Driver for Nema 17, 23 and Nema 34 series stepper motor, Replace M542 M542H" brand: "polisi3d" price: "€ 56.48" currency: EUR in_stock: true category: "Polisi3 D" url: https://www.desertcart.at/products/242656517-cnc-digital-microstep-driver-dm542-stepper-motor-driver-controller-2 store_origin: AT region: Austria --- # 20-50V DC power range Max 4.2A output current Up to 256 microstep subdivision CNC Digital Microstep driver DM542 Stepper Motor Driver Controller 2-phase 20-50V DC Max 4.2A 42 57 86 Motor Driver for Nema 17, 23 and Nema 34 series stepper motor, Replace M542 M542H **Brand:** polisi3d **Price:** € 56.48 **Availability:** βœ… In Stock ## Summary > πŸš€ Elevate Your CNC Game with Precision Power! ## Quick Answers - **What is this?** CNC Digital Microstep driver DM542 Stepper Motor Driver Controller 2-phase 20-50V DC Max 4.2A 42 57 86 Motor Driver for Nema 17, 23 and Nema 34 series stepper motor, Replace M542 M542H by polisi3d - **How much does it cost?** € 56.48 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/242656517-cnc-digital-microstep-driver-dm542-stepper-motor-driver-controller-2) ## Best For - polisi3d enthusiasts ## Why This Product - Trusted polisi3d brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Power Meets Flexibility:** Adjustable output current via DIP switch up to 4.2A to perfectly match your motor needs. - β€’ **Robust Signal Integrity:** Optical isolation and TTL/differential input compatibility ensure noise-free, reliable operation. - β€’ **Universal Compatibility:** Seamlessly drives Nema 17, 23, and 34 stepper motors (42, 57, 86mm) for versatile applications. - β€’ **Plug-and-Play Confidence:** Backed by responsive support and hassle-free refund/reship policy for zero downtime. - β€’ **Precision at Your Fingertips:** Supports ultra-high microstepping up to 256 for silky smooth motor control. ## Overview The DM542 is a high-performance 2-phase stepper motor driver supporting 20-50V DC and up to 4.2A output current. Compatible with Nema 17, 23, and 34 motors, it offers advanced microstepping up to 256 subdivisions for ultra-smooth motion. Featuring optical isolation and flexible input signals, it ensures reliable, noise-free control for professional-grade CNC and automation projects. ## Description Features: 1.Optical isolation signal input;2.Output current DIP switch is adjustable;3.Bipolar constant current chopping method;4.High segmentation: 2,4,8,16,32,64,128,256. 5,10,25,50,125,200;5.TTL input signal compatible,while accepting differential signal input . ## Features - Suitable for Nema 17, Nema 23 and Nema34 Stepper Motor，2-phase hybrid stepper motors (Outer diameter: 42, 57,86mm). - Package: 1piece DM542 - More informations, please refer to the last photo in this link. - This high subdivision driver is suitable for high subdivision motor. Suitable for stepper motor: 42,57,86 type 2-phase 4-phase (4-wire, 6-wire, 8-wire) - PLEASE NOTE: if there is any problem, please feel free to contact us, each defect items could be refunded or reshipped, we will try out utmost to support you. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08GCFNQF2 | | Best Sellers Rank | 46,283 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 186 in Motor Speed Controllers | | Brand | POLISI3D | | Country Of Origin | China | | Customer Reviews | 4.5 4.5 out of 5 stars (109) | | Horsepower | 1 | | Item Weight | 260 Grams | | Manufacturer | POLISI3D | | Manufacturer Part Number | DM542 | | Material | Metal | | Model Name | nema | | Speed | 50000 RPM | | UPC | 791548326775 791300410032 | | Voltage | 50 Volts | ## Product Details - **Brand:** POLISI3D - **Horsepower:** 1 - **Model name:** nema - **Speed:** 50000 RPM - **Voltage:** 50 Volts ## Images ![CNC Digital Microstep driver DM542 Stepper Motor Driver Controller 2-phase 20-50V DC Max 4.2A 42 57 86 Motor Driver for Nema 17, 23 and Nema 34 series stepper motor, Replace M542 M542H - Image 1](https://m.media-amazon.com/images/I/41mEIw4KS9L.jpg) ![CNC Digital Microstep driver DM542 Stepper Motor Driver Controller 2-phase 20-50V DC Max 4.2A 42 57 86 Motor Driver for Nema 17, 23 and Nema 34 series stepper motor, Replace M542 M542H - Image 2](https://m.media-amazon.com/images/I/61bCxiRD99L.jpg) ![CNC Digital Microstep driver DM542 Stepper Motor Driver Controller 2-phase 20-50V DC Max 4.2A 42 57 86 Motor Driver for Nema 17, 23 and Nema 34 series stepper motor, Replace M542 M542H - Image 3](https://m.media-amazon.com/images/I/41+DwAFmKPL.jpg) ![CNC Digital Microstep driver DM542 Stepper Motor Driver Controller 2-phase 20-50V DC Max 4.2A 42 57 86 Motor Driver for Nema 17, 23 and Nema 34 series stepper motor, Replace M542 M542H - Image 4](https://m.media-amazon.com/images/I/51u3M9DOt2L.jpg) ![CNC Digital Microstep driver DM542 Stepper Motor Driver Controller 2-phase 20-50V DC Max 4.2A 42 57 86 Motor Driver for Nema 17, 23 and Nema 34 series stepper motor, Replace M542 M542H - Image 5](https://m.media-amazon.com/images/I/51QYEJJdnxL.jpg) ## Frequently Bought Together - CNC Digital Microstep driver DM542 Stepper Motor Controller 2-phase Digital Stepper Motor Driver 20-50V DC Max 4.2A for Nema 17, Nema 23 and Nema 34 series stepper motor, Replace M542 M542H - STEPPERONLINE Nema 23 Stepper Motor 2.4Nm(339.79oz.in) 4.0A 8mm Shaft 57x57x82mm 4 Wires - DROK 48V Power Supply, AC 110V/220V to DC 0-48V 10A 480W Buck Converter, Adjustable Variable LED Adapter Regulated 5V 12V 24V 30V 36V 48V Volt Voltage Transformer 10A Amp Charger for Lab CCTV --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/242656517-cnc-digital-microstep-driver-dm542-stepper-motor-driver-controller-2](https://www.desertcart.at/products/242656517-cnc-digital-microstep-driver-dm542-stepper-motor-driver-controller-2) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-05-02*