{"product_id":"10pcs-kw11-3z-2-micro-roller-lever-limit-switch-pcb-microswitch","title":"10PCS KW11-3Z-2 Micro Roller Lever Limit Switch PCB Microswitch","description":"\n\u003ch2\u003e10-Pack KW11-3Z-2 Micro Roller Lever Arm Limit Switch\u003c\/h2\u003e\n\u003cp\u003eUpgrade your electronics projects with this convenient \u003cstrong\u003e10-piece pack of KW11-3Z-2 Micro Roller Lever Arm Limit Switches\u003c\/strong\u003e. Designed for reliable open\/close detection, these CE-certified PCB microswitches are an essential component for 3D printers, CNC machines, robotics, automated systems, and general-purpose electronics applications. Stock up and keep your builds running smoothly.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e KW11-3Z-2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitch Type:\u003c\/strong\u003e Micro Limit Switch with Roller Lever Arm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin Configuration:\u003c\/strong\u003e 3-Pin (COM, NO, NC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Current:\u003c\/strong\u003e 5A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e Low Voltage — Below 50V AC or 75V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Copper contacts for superior conductivity and durability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE Certified\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 Pieces per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable Switching Action:\u003c\/strong\u003e Snap-action mechanism ensures consistent, repeatable open and close triggering every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRoller Lever Arm Design:\u003c\/strong\u003e The roller lever makes it easy to detect mechanical movement or position changes with minimal actuation force.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3-Pin Versatility:\u003c\/strong\u003e COM, Normally Open (NO), and Normally Closed (NC) terminals give you maximum wiring flexibility for a wide range of circuit configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCopper Contacts:\u003c\/strong\u003e High-conductivity copper ensures low resistance and long service life even through thousands of switching cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB-Ready:\u003c\/strong\u003e Compact form factor fits standard PCB mounting layouts for easy integration into your projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets European low-voltage safety standards for peace of mind in your builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreat Value:\u003c\/strong\u003e 10-piece pack means you always have spares on hand for prototyping, repair, or production runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3D Printer endstop switches\u003c\/li\u003e\n  \u003cli\u003eCNC machine homing and limit detection\u003c\/li\u003e\n  \u003cli\u003eRobotic arm position sensing\u003c\/li\u003e\n  \u003cli\u003eAutomated door and gate controls\u003c\/li\u003e\n  \u003cli\u003eConveyor belt and industrial machinery\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and prototyping projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the rated current and voltage for the KW11-3Z-2 microswitch?\u003c\/h4\u003e\n\u003cp\u003eA: The KW11-3Z-2 micro limit switch is rated for up to \u003cstrong\u003e5A\u003c\/strong\u003e and operates at low voltages — below \u003cstrong\u003e50V AC or 75V DC\u003c\/strong\u003e. This makes it suitable for a wide range of low-voltage electronics and automation applications, including 3D printers and CNC machines.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many terminals does the KW11-3Z-2 limit switch have, and how do I wire it?\u003c\/h4\u003e\n\u003cp\u003eA: The switch features \u003cstrong\u003e3 pins\u003c\/strong\u003e: COM (Common), NO (Normally Open), and NC (Normally Closed). For most endstop and limit switch applications, you will use COM and NC for a fail-safe normally-closed circuit, or COM and NO for a normally-open configuration, depending on your controller's requirements.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this switch compatible with 3D printer endstops?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The KW11-3Z-2 roller lever microswitch is one of the most popular choices for \u003cstrong\u003e3D printer endstop switches\u003c\/strong\u003e (X, Y, and Z axis homing). Its compact PCB-mount footprint and standard 3-pin layout are compatible with most common 3D printer control boards, including RAMPS, SKR, and similar platforms.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Why buy a 10-pack instead of individual switches?\u003c\/h4\u003e\n\u003cp\u003eA: Purchasing a \u003cstrong\u003e10-piece pack\u003c\/strong\u003e ensures you have replacement switches on hand for repairs, multi-axis builds, or prototyping. Microswitches can wear over time with heavy use, so having spares saves time and reduces project downtime. The pack also offers much better value per unit.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the rated current and voltage for the KW11-3Z-2 microswitch?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The KW11-3Z-2 micro limit switch is rated for up to 5A and operates at low voltages — below 50V AC or 75V DC. This makes it suitable for a wide range of low-voltage electronics and automation applications, including 3D printers and CNC machines.\"}}, {\"@type\": \"Question\", \"name\": \"How many terminals does the KW11-3Z-2 limit switch have, and how do I wire it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The switch features 3 pins: COM (Common), NO (Normally Open), and NC (Normally Closed). For most endstop and limit switch applications, you will use COM and NC for a fail-safe normally-closed circuit, or COM and NO for a normally-open configuration, depending on your controller's requirements.\"}}, {\"@type\": \"Question\", \"name\": \"Is this switch compatible with 3D printer endstops?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The KW11-3Z-2 roller lever microswitch is one of the most popular choices for 3D printer endstop switches (X, Y, and Z axis homing). 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The pack also offers much better value per unit.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/0dwbi8-fa.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/0dwbi8-fa.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"10PCS KW11-3Z-2 Micro Roller Lever Limit Switch PCB Microswitch\", \"item\": \"https:\/\/0dwbi8-fa.myshopify.com\/products\/10pcs-kw11-3z-2-micro-roller-lever-limit-switch-pcb-microswitch\"}]}\u003c\/script\u003e","brand":"Quake","offers":[{"title":"KW11-3Z-2 \/ 10PCS","offer_id":50286594326755,"sku":"14:350850#KW11-3Z-2;5:200000990#10PCS","price":6.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/9439\/1523\/files\/Sf694caf0bd8a4d379f40f2d922bb3b2ap.webp?v=1790289923","url":"https:\/\/quakegoods.com\/products\/10pcs-kw11-3z-2-micro-roller-lever-limit-switch-pcb-microswitch","provider":"Quake","version":"1.0","type":"link"}