--- product_id: 525862735 title: "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" brand: "polisi3d" price: "Β£75.34" currency: GBP in_stock: true reviews_count: 1 url: https://www.desertcart.co.uk/products/525862735-cnc-digital-microstep-driver-dm542-stepper-motor-controller-2-phase store_origin: GB region: United Kingdom --- # 50V max voltage power Adjustable current up to 4.2A 256 microstep resolution 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 **Brand:** polisi3d **Price:** Β£75.34 **Availability:** βœ… In Stock ## Summary > πŸš€ Elevate your CNC precision with the DM542 – where power meets pinpoint control! ## Quick Answers - **What is this?** 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 by polisi3d - **How much does it cost?** Β£75.34 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/525862735-cnc-digital-microstep-driver-dm542-stepper-motor-controller-2-phase) ## 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€’ **Plug & Play Confidence:** TTL and differential signal compatible with DIP switch current tuning for easy customization - β€’ **Power Meets Flexibility:** Supports 20-50V DC with adjustable current up to 4.2A for versatile motor compatibility - β€’ **Precision at Every Step:** Ultra-high 256 microstep subdivision for silky smooth motor control - β€’ **Robust Signal Isolation:** Optical isolation input ensures noise-free, reliable performance in complex setups - β€’ **Universal Compatibility:** Seamlessly drives Nema 17, 23, and 34 stepper motors across 2 and 4-phase types ## Overview The POLISI3D DM542 is a high-performance 2-phase digital microstep driver designed for Nema 17, 23, and 34 stepper motors. Operating at 20-50V DC and up to 4.2A output current, it features optical isolation for signal integrity, adjustable current via DIP switches, and an ultra-fine microstepping resolution up to 256 steps, ensuring smooth, precise motor control for advanced CNC and 3D printing applications. ## 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 | |---------------|-------| | Brand | POLISI3D | | Voltage | 50 Volts | | Horsepower | 1 | | Material | Metal | | Item Weight | 0.21 Kilograms | | Manufacturer | POLISI3D | | UPC | 791548326775 791300410032 | | Country of Origin | USA | | Item part number | DM542 | | Product Dimensions | 10 x 20 x 37 cm; 209 g | | ASIN | B08GCFNQF2 | ## Product Details - **Brand:** POLISI3D - **Voltage:** 50 Volts - **Horsepower:** 1 - **Material:** Metal - **Item Weight:** 0.21 Kilograms ## Images ![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 - Image 1](https://m.media-amazon.com/images/I/41mEIw4KS9L.jpg) ![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 - Image 2](https://m.media-amazon.com/images/I/61bCxiRD99L.jpg) ![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 - Image 3](https://m.media-amazon.com/images/I/41+DwAFmKPL.jpg) ![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 - Image 4](https://m.media-amazon.com/images/I/51u3M9DOt2L.jpg) ![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 - Image 5](https://m.media-amazon.com/images/I/51QYEJJdnxL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Microstep driver DM542 *by B***L on 18 November 2024* Good reliable Product. Value for money ## 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.co.uk/products/525862735-cnc-digital-microstep-driver-dm542-stepper-motor-controller-2-phase](https://www.desertcart.co.uk/products/525862735-cnc-digital-microstep-driver-dm542-stepper-motor-controller-2-phase) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-17*