{"product_id":"3-inch-stroke-micro-linear-actuator-12v-compact-motion","title":"3 Inch Stroke Micro Linear Actuator 12V - Compact Motion","description":"\u003cp\u003eIn this review of the 3 inch micro linear actuator the bottom line is clear: this is a compact, reliable 12V actuator best suited for small robotics, cabinet lifts and basic home automation projects where slow, steady linear motion and self-locking hold are required. The reviewer found the actuator's built-in limit switches, aluminum construction and IP54 protection to be the single biggest reasons to buy if you need a low-noise, maintenance-free unit that will hold position without power.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V DC operation:\u003c\/strong\u003e Easy to power from common 12V supplies and batteries, making it simple to integrate into existing DIY and robotics systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 in stroke:\u003c\/strong\u003e The 3 in (75mm) travel offers a compact range ideal for small cabinet lifts, sliding mechanisms and precise adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e42.2 lbs maximum load:\u003c\/strong\u003e A rated 188N capacity provides useful pushing force for light industrial and home automation tasks without overkill.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in limit switches:\u003c\/strong\u003e The internal limit switches stop motion at each end automatically and let the unit be stopped at any intermediate position for reliable repeatable travel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum construction with IP54:\u003c\/strong\u003e A metal housing and IP54 protection class deliver durability and basic dust and splash resistance for workshop and indoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow noise, self-locking:\u003c\/strong\u003e Noise under 50dB and self-locking when unpowered keep movements discreet and steady in household settings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe actuator suits hobbyists building small robots, makers adding motion to cabinetry, and home automation tinkerers who need a compact linear actuator with predictable speed and built-in end stops. Its moderate 42.2 lb capacity and slow 0.2 in\/s speed fit applications that require strength without rapid motion.\u003c\/p\u003e\u003cp\u003eIt is less appropriate for continuous heavy-duty industrial use or applications requiring long duty cycles, high speeds, or adjustable internal limit settings - users who need fast or adjustable-limit actuators should consider other designs.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompact 3 in stroke and short retracted length make it easy to fit in tight assemblies.\u003c\/li\u003e\n\u003cli\u003eBuilt-in limit switches and self-locking operation hold position when power is removed.\u003c\/li\u003e\n\u003cli\u003eAluminum body with IP54 rating offers solid durability and basic environmental protection.\u003c\/li\u003e\n\u003cli\u003eQuiet operation below 50dB is suitable for home environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSlow travel speed at 0.2 in\/s limits use where faster actuation is needed.\u003c\/li\u003e\n\u003cli\u003eDuty cycle of 10% means it is not meant for frequent continuous cycling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput voltage\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\u003e3 in (75 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetracted \/ extended length\u003c\/td\u003e\n\u003ctd\u003eRetracted 5 in (129.5 mm), Extended 8 in (204.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-load speed\u003c\/td\u003e\n\u003ctd\u003e0.2 in\/s (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\u003eNoise level\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;50 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection class \/ duty\u003c\/td\u003e\n\u003ctd\u003eIP54 \/ 10% duty cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 3 in 12V micro linear actuator is a well-rounded choice for hobby and light automation projects where compact size, dependable end stops and self-locking are priorities. It offers good value for tasks that need steady, quiet linear motion and basic environmental protection, but it is not intended for high-frequency continuous duty or high-speed applications.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHow do you wire the actuator?\u003c\/strong\u003e\u003cbr\u003eConnect 12V DC to the two wires; black to positive and red to negative will extend, reversing the wires will retract the actuator.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it hold position when power is off?\u003c\/strong\u003e\u003cbr\u003eYes, the actuator has a self-locking function and will hold position without power.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan the internal limit switches be adjusted?\u003c\/strong\u003e\u003cbr\u003eNo, the unit uses pre-installed internal limit switches that are not adjustable and will auto-stop at travel ends.\u003c\/p\u003e","brand":"JQDML","offers":[{"title":"Default Title","offer_id":48751654174939,"sku":"B09YQYNTNZ","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61ktXp25AqL._SL1500.jpg?v=1778838807","url":"https:\/\/gearmusthave.com\/products\/3-inch-stroke-micro-linear-actuator-12v-compact-motion","provider":"GearMustHave","version":"1.0","type":"link"}