--- product_id: 687721339 title: "Stroke 75mm 120N 3 Inch Mini Linear Actuator 12V Force 28lbs Electric Linear Motion Actuators High Speed 4mm/sec for Robotics,Home Automation with Mounting Brackets" brand: "rrtechforu" price: "SAR 13" currency: SAR in_stock: true reviews_count: 5 category: "Rrtechforu" url: https://www.desertcart.com.sa/products/687721339-stroke-75mm-120n-3-inch-mini-linear-actuator-12v-force store_origin: SA region: Saudi Arabia --- # 12V high-efficiency motor 75mm precise stroke length Low noise <50dB Stroke 75mm 120N 3 Inch Mini Linear Actuator 12V Force 28lbs Electric Linear Motion Actuators High Speed 4mm/sec for Robotics,Home Automation with Mounting Brackets **Brand:** rrtechforu **Price:** SAR 13 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your automation game with silent, precise power! ## Quick Answers - **What is this?** Stroke 75mm 120N 3 Inch Mini Linear Actuator 12V Force 28lbs Electric Linear Motion Actuators High Speed 4mm/sec for Robotics,Home Automation with Mounting Brackets by rrtechforu - **How much does it cost?** SAR 13 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.sa](https://www.desertcart.com.sa/products/687721339-stroke-75mm-120n-3-inch-mini-linear-actuator-12v-force) ## Best For - rrtechforu enthusiasts ## Why This Product - Trusted rrtechforu brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Simplicity:** Includes mounting brackets and easy 12V connection for quick installation in your smart home or robotics projects. - • **Built to Last & Protect:** Crafted from premium aluminum alloy with IP54 protection and built-in limit switches for safety and durability. - • **Whisper-Quiet Operation:** Engineered with a low-noise motor under 50dB, perfect for noise-sensitive environments like offices and medical spaces. - • **Powerful Precision in Motion:** Delivers a robust 27lbs (120N) force with a smooth 75mm stroke for exact linear movement. - • **Versatile Automation Essential:** Ideal for robotics, home automation, electric recliners, and custom DIY innovations—join the future of smart motion. ## Overview The Stroke 75mm 120N Mini Linear Actuator is a compact, high-performance 12V electric actuator delivering 27lbs of force at a smooth 15mm/s speed. Built with durable aluminum alloy and IP54 protection, it features low noise operation under 50dB and built-in limit switches for safe, precise positioning. Perfect for robotics, home automation, and noise-sensitive applications, it comes ready to install with mounting brackets for seamless integration. ## Description The interior of the aircraft adopts powder metallurgy technology for a longer lifespan.  How to select a push rod:  1: Confirm if the installation space is sufficient; 2: How long does it take to travel (retract range); 3: Choose the appropriate speed based on the weight of the object being pushed. Review: Does what it is supposed to do! - Functioned perfectly for my custom designed Bambu Lab X1C remote controlled vent system. Yes it was a crazy idea but got stuck in my head and I worked on it until I made it a reality! PLUS it was a fun and challenging project! Review: Small linear actuator - Works as advertised ## Features - 【Specification】: 12 Volt Electric Micro Stroke Linear Actuator Stroke length = 75mm(3"); Retracted length =104.5mm(4"); Extended Length= 154.5mm(6"); Travel speed =0.6 inches/sec (15 mm/s);Maximum current draw = 2.5Amps; Maximum Load = 27lbs(120N). - 【Durable and Sturdy】 Made of high quality aluminum alloy material and equipped with high-performance motor; Built in limit switch, stop at any position, automatically stop at the top, with IP54 protection, short circuit protection, and reliable. - 【Low Noise Design】The Linear Actuator adopt low noise motor, the noise level below 50 dB, This makes it suitable for use in hospitals, massage centers, and other noise-sensitive environments. - 【Wide Application】Widely used in electric lifting systems, Intelligent Range Hood, Fan Blades, Cabinets, Window Opener, Robotics, and Home Automation. electric recliners, Ideal for medical chairs, electric equipment, camera racks, electric sofas, cameras, etc. - 【Easy Install & Safe】Quick mounted by using brackets, and easy connect the actuator to your 12-volt safe power supply. Package contains 1 mini linear actuator and 2 bracket sets. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D17J19Y4 | | Are batteries included? | No | | Brand | RRTECHFORU | | Customer Reviews | 3.9 3.9 out of 5 stars (14) | | Date First Available | 7 June 2024 | | Item Weight | 50 g | | Item part number | RRDZT40N-50MM | | Manufacturer | RRTECHFORU | | Number of Memory Sticks | 1 | | Package Dimensions | 13.49 x 5.11 x 5 cm; 50 g | ## Product Details - **Brand:** RRTECHFORU - **Color:** Silver - **Manufacturer:** RRTECHFORU - **Material:** Aluminum - **Voltage:** 12 Volts ## Images ![Stroke 75mm 120N 3 Inch Mini Linear Actuator 12V Force 28lbs Electric Linear Motion Actuators High Speed 4mm/sec for Robotics,Home Automation with Mounting Brackets - Image 1](https://m.media-amazon.com/images/I/51ECAyPatKL.jpg) ![Stroke 75mm 120N 3 Inch Mini Linear Actuator 12V Force 28lbs Electric Linear Motion Actuators High Speed 4mm/sec for Robotics,Home Automation with Mounting Brackets - Image 2](https://m.media-amazon.com/images/I/71Y50b4CFqL.jpg) ![Stroke 75mm 120N 3 Inch Mini Linear Actuator 12V Force 28lbs Electric Linear Motion Actuators High Speed 4mm/sec for Robotics,Home Automation with Mounting Brackets - Image 3](https://m.media-amazon.com/images/I/61T-YO5xKaL.jpg) ![Stroke 75mm 120N 3 Inch Mini Linear Actuator 12V Force 28lbs Electric Linear Motion Actuators High Speed 4mm/sec for Robotics,Home Automation with Mounting Brackets - Image 4](https://m.media-amazon.com/images/I/71G9eHO6GEL.jpg) ![Stroke 75mm 120N 3 Inch Mini Linear Actuator 12V Force 28lbs Electric Linear Motion Actuators High Speed 4mm/sec for Robotics,Home Automation with Mounting Brackets - Image 5](https://m.media-amazon.com/images/I/71reiKKgrpL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Does what it is supposed to do! *by C***Z on 29 April 2025* Functioned perfectly for my custom designed Bambu Lab X1C remote controlled vent system. Yes it was a crazy idea but got stuck in my head and I worked on it until I made it a reality! PLUS it was a fun and challenging project! ### ⭐⭐⭐⭐⭐ Small linear actuator *by R***. on 23 October 2025* Works as advertised ### ⭐⭐⭐⭐ Works as their supposed to *by A***R on 28 December 2024* Mostly work as their supposed to but very slow. I got the 1 inch version and it takes 10 seconds to open. Had to time it to program a puzzle box. Way slower then i thought it would be. But works fine for what it does ## Frequently Bought Together - Stroke 75mm 120N 3 Inch Mini Linear Actuator 12V Force 28lbs Electric Linear Motion Actuators High Speed 4mm/sec for Robotics,Home Automation with Mounting Brackets - OONO Forward and Reverse Relay Module for Motor/Linear Actuator, Reversing Relay Module (DC 12V) - SRDKG 12v Forward Reverse Remote Control Switch,Mini Forward Reverse Switch Working Voltage Dc5v to 48v Linear Actuator Controller,12 Volt 24v 36v Wireless Remote Switch Reverse Polarity for Motor --- ## 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.com.sa/products/687721339-stroke-75mm-120n-3-inch-mini-linear-actuator-12v-force](https://www.desertcart.com.sa/products/687721339-stroke-75mm-120n-3-inch-mini-linear-actuator-12v-force) --- *Product available on Desertcart Saudi Arabia* *Store origin: SA* *Last updated: 2026-09-22*