{"product_id":"4-inch-stroke-mini-linear-actuator-12v-compact-electric-micro","title":"4 Inch Stroke Mini Linear Actuator 12V - Compact Electric Micro","description":"\u003cp\u003eIn this review of the 4 in Stroke Mini Linear Actuator, the bottom line is simple: it is a compact, purpose-built actuator for hobbyists and light automation tasks that need a small footprint and reliable position stopping. The reviewer found the unit most compelling for projects where precise short travel, low noise and a built-in limit switch matter, especially at 12V DC and modest loads. Its combination of a 4 in stroke, aluminum construction and self-locking behavior makes it an attractive choice for robotics, cabinet lifts, or simple home automation lifts where long travel or heavy duty torque is not required.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStroke and size:\u003c\/strong\u003e The 4 in stroke provides a concise 100 mm travel range ideal for small motion tasks without excess length when retracted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor and control:\u003c\/strong\u003e The built-in limit switch lets the actuator stop automatically at end positions, offering convenience and repeatable stopping for automated cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad capacity:\u003c\/strong\u003e With a maximum load of 42.2 lbs (188 N), it can handle light lifting duties such as small panels, mechanisms, or components in robots and furniture add-ons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial and durability:\u003c\/strong\u003e The aluminum housing yields a lightweight but rigid body that resists corrosion and supports stable running under normal conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet operation:\u003c\/strong\u003e The actuator runs at under 50 dB and a no-load speed of 0.2 in\/sec, making it suited to indoor use where low noise matters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIngress protection:\u003c\/strong\u003e IP54 rating gives reasonable protection against dust and splashing water for workshop and indoor automation use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis actuator is aimed at hobbyists, DIY home automation tinkerers, and small robotics builders who need a short, controlled linear motion at 12V DC. It fits projects where a compact retracted length, a modest top load around 42 lbs, and quiet operation are priorities, such as lift panels, small adjustable mounts, or prototype linkages.\u003c\/p\u003e\n\u003cp\u003eIt is not the right choice for heavy industrial loads, continuous duty high-cycle commercial systems, or applications that require very high speeds. Buyers seeking long travel beyond 4 in or higher continuous torque should look at larger actuators designed for those demands.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompact 4 in stroke and relatively short retracted length make it easy to integrate into tight spaces.\u003c\/li\u003e\n\u003cli\u003eBuilt-in limit switch and self-locking function simplify control and improve safety in unattended operation.\u003c\/li\u003e\n\u003cli\u003eAluminum construction and IP54 rating provide a good balance of weight, durability, and environment resistance.\u003c\/li\u003e\n\u003cli\u003eLow noise under 50 dB suits indoor and residential projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTorque performance drew mixed feedback, so it may be marginal on heavier or bind-prone loads.\u003c\/li\u003e\n\u003cli\u003eNo detailed duty-cycle specification provided, so high-frequency continuous use may require caution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke Length\u003c\/td\u003e\n\u003ctd\u003e4 in (100 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetracted \/ Extended Length\u003c\/td\u003e\n\u003ctd\u003e6 in (154.5 mm) \/ 10 in (254.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-load Speed\u003c\/td\u003e\n\u003ctd\u003e0.2 in\/sec (5 mm\/s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Load\u003c\/td\u003e\n\u003ctd\u003e42.2 lbs (188 N)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Current\u003c\/td\u003e\n\u003ctd\u003e200 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection \/ Noise\u003c\/td\u003e\n\u003ctd\u003eIP54 \/ \u0026lt;50 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor small automation projects and hobby robotics, this 4 in mini linear actuator is good value: it pairs a compact footprint with a built-in limit switch, quiet running and a decent 42 lb load capacity. Choose it when you need controlled short travel at 12V and reliable stopping; consider more heavy duty models if your application demands higher continuous torque or longer stroke.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this actuator be stopped at any intermediate position?\u003c\/strong\u003e\u003cbr\u003eThe actuator has a built-in limit switch design and self-locking behavior, which allows stopping at set end positions and stable holding in intermediate positions when power is removed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for outdoor installations?\u003c\/strong\u003e\u003cbr\u003eThe IP54 rating protects against dust and splashing water but is not fully weatherproof, so it is better suited for indoor or sheltered outdoor use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is included in the package?\u003c\/strong\u003e\u003cbr\u003eThe package includes one DC 12V mini linear actuator and two mounting brackets for straightforward installation.\u003c\/p\u003e","brand":"JQDML","offers":[{"title":"Default Title","offer_id":48615766491355,"sku":"B09YQX5LLV","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51lmRWEk0BL._SL1500.jpg?v=1778383669","url":"https:\/\/gearmusthave.com\/products\/4-inch-stroke-mini-linear-actuator-12v-compact-electric-micro","provider":"GearMustHave","version":"1.0","type":"link"}