{"product_id":"round-rocker-switch-kcd1","title":"Round Rocker Switch KCD1 3-Pin ON-OFF Waterproof witch LED Light 5V-220v Rocker Switch FILN","description":"\u003cdiv id=\"product-description-container\" style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px;\"\u003e\n\u003cspan\u003eButton Switch Drawing\u003c\/span\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/FL3-KCD1-121-11N_Switch-Drawing.webp?v=1777265301\"\u003eWhat is a Round Rocker Switch?\u003c\/h2\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eA \u003cstrong\u003eround rocker switch\u003c\/strong\u003e is a circular electrical control device designed to open or close a circuit via a rocking motion. The \u003cstrong\u003ecircular rocker switch\u003c\/strong\u003e design is highly favored for its ease of installation, requiring only a simple drill bit for panel cutouts rather than complex rectangular milling. It provides a modern aesthetic and reliable tactile feedback, making it a staple in both consumer electronics and industrial control panels.\u003c\/p\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eFILN FL3-KCD1-121-11N\u003c\/strong\u003e is a market-standard KCD1 \u003cstrong\u003eround rocker switch\u003c\/strong\u003e featuring a unique \"round top, square bottom\" structure for maximum stability. This \u003cstrong\u003eilluminated round rocker switch\u003c\/strong\u003e is available in five vivid LED colors: \u003cstrong\u003eRed, Green, Yellow, Blue, and White\u003c\/strong\u003e. It serves as a critical power control component for any electrified device, offering a clear \u003cstrong\u003eON-OFF\u003c\/strong\u003e function. Unlike non-lighted models, the \u003cstrong\u003eled round rocker switch\u003c\/strong\u003e provides high visibility in dark environments, ensuring operators can easily identify the equipment status. Certified by \u003cstrong\u003eISO9001, CE, VDE, RoHS, SGS, UL, and IP65\u003c\/strong\u003e, it is built for long-term industrial use.\u003c\/p\u003e\n\u003cdiv style=\"border: 2px solid #28a745; background-color: #f0fff4; padding: 15px; text-align: center; margin: 25px 0;\"\u003e\u003ca href=\"https:\/\/www.cnfiln.com\/collections\/rocker-switch\" style=\"color: #28a745; font-weight: bold; text-decoration: none; font-size: 18px;\" target=\"_blank\"\u003e BROWSE ALL FILN ROCKER SWITCH COLLECTIONS → \u003c\/a\u003e\u003c\/div\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px;\"\u003eQuick Specifications\u003c\/h2\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eModel Number\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eFL3-KCD1-121-11N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eMounting Size\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eφ19.6mm (0.77 inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eSwitch Function\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eON-OFF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eLED Colors\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eRed \/ Green \/ Yellow \/ Blue \/ White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eSwitch Appearance\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eRound Head \/ Square Base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eWiring Method\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e3-Pin Terminals (Pins)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px;\"\u003eElectrical Performance Parameters\u003c\/h2\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eMain Technology Performance\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eFunction\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eON-OFF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRated Voltage\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e5V-24V \/ 110V-220V (Customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRated Current\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e30A 250VAC \/ 18(12)A 125VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eInitial Contact Resistance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e≤50mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eInsulated Resistance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e≥100mΩ\/500VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eDielectric Strength\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e1500VAC\/5mA 60s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eElectrical Endurance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e10,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eProtection Degree\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eIP65 \/ IP66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center; margin-top: 15px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Product_Certification.webp?v=1774674312\" alt=\"FILN Product Certification\" style=\"max-width: 100%; height: auto;\"\u003e\u003c\/div\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px;\"\u003eComponent Materials\u003c\/h2\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eAccessories name\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eLight Guiding Part\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHolder \/ Up Base\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eBottom Base\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePA66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePins \/ Spring Board\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eBrass H62\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eContact\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eAgCdO12 (Silver Alloy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWaterproof cover\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSilicone Rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px;\"\u003eIndustrial Reliability Standards\u003c\/h2\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThis \u003cstrong\u003eround rocker switch\u003c\/strong\u003e is designed to withstand harsh environments. \u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40℃ to +125℃. \u003cstrong\u003eTerminal Strength:\u003c\/strong\u003e Withstands an 80N static load for 60 seconds without damage. \u003cstrong\u003eSolderability:\u003c\/strong\u003e More than 90% surface coverage at 235±5℃. Its robust construction ensures that electrical performance remains qualified even after 20,000 mechanical operations.\u003c\/p\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px;\"\u003eRocker Switch vs. Push Button Switch\u003c\/h2\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-bottom: 20px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRound Rocker Switch\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePush Button Switch\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eService Life\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eExceptional Mechanical Endurance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eStandard Endurance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWiring\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eQuick-connect 3-Pin (Plug-and-Play)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eThreaded or Solder terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eInstallation\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSnap-in (Fast Assembly)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eNut-fixed (Slower Assembly)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px;\"\u003eApplications\u003c\/h2\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKitchen Appliances:\u003c\/strong\u003e Coffee machines, air fryers, water dispensers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOffice \u0026amp; Commercial:\u003c\/strong\u003e Printers, projectors, POS systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Control:\u003c\/strong\u003e Distribution boxes, power strips, test instruments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedical Equipment:\u003c\/strong\u003e Centrifuges, diagnostic monitors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Application-of-Rocker-Switches.webp?v=1777108480\" alt=\"Rocker Switch Applications\" style=\"max-width: 100%; height: auto;\"\u003e\u003c\/div\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px;\"\u003eInstallation Guide\u003c\/h2\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003col\u003e\n\u003cli\u003eDrill a φ19.6mm hole on the target panel.\u003c\/li\u003e\n\u003cli\u003eAlign the \u003cstrong\u003ecircular rocker switch\u003c\/strong\u003e with the hole from the top side.\u003c\/li\u003e\n\u003cli\u003ePush the switch downward into the panel. The dual side-clips will snap and lock into place.\u003c\/li\u003e\n\u003cli\u003eComplete the wiring to the 3-pin terminals at the back of the switch.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Rocker-Switch-Installation-Steps.webp?v=177710907\" alt=\"Round Rocker Switch Installation Steps\" style=\"max-width: 100%; height: auto;\"\u003e\u003c\/div\u003e\n\u003ch2 style=\"color: #1a73e8; font-family: Arial, sans-serif;\"\u003eDetailed 3 Pin Illuminated Rocker Switch Wiring Diagram and Connection Guide\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003e3 pin illuminated rocker switch wiring diagram\u003c\/strong\u003e is a fundamental resource for technical personnel designing circuits that require visual status feedback. Unlike standard non-lighted models, an illuminated rocker switch features a built-in lamp that provides instant confirmation of the circuit's state. This guide provides the precise \u003cstrong\u003ewiring schematic\u003c\/strong\u003e and technical logic required to integrate these components into your power systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eHow to Wire a 3 Pin Illuminated Rocker Switch: Connection Steps\u003c\/h3\u003e\n\u003cp\u003eTo ensure the internal LED or neon lamp functions correctly alongside your device, follow this specific terminal configuration:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1. Power Input (Line Terminal):\u003c\/strong\u003e Connect the positive (+) wire from your power supply to the \u003cstrong\u003emiddle pin\u003c\/strong\u003e of the switch. This terminal acts as the common entry point for the current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2. Load Connection (Device Terminal):\u003c\/strong\u003e Connect the \u003cstrong\u003ebottom pin\u003c\/strong\u003e to the positive input of your device (e.g., a motor, lamp, or industrial component). When the switch is engaged, current is bridged from the middle pin to this terminal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3. Ground Connection (Lamp Terminal):\u003c\/strong\u003e Connect the \u003cstrong\u003etop pin\u003c\/strong\u003e (often gold-colored) directly to the \u003cstrong\u003enegative (-)\u003c\/strong\u003e terminal of the power source. This dedicated connection completes the circuit for the internal light. Without this ground wire, the switch will toggle the device but will not illuminate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSwitch Operation and LED Logic\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin: 20px 0;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 400px; font-family: sans-serif; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f1f3f4; border-bottom: 2px solid #1a73e8;\"\u003e\n\u003cth style=\"padding: 15px; text-align: left; border: 1px solid #ddd;\"\u003eSwitch State\u003c\/th\u003e\n\u003cth style=\"padding: 15px; text-align: left; border: 1px solid #ddd;\"\u003eDevice Status\u003c\/th\u003e\n\u003cth style=\"padding: 15px; text-align: left; border: 1px solid #ddd;\"\u003eInternal LED Status\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eNormal (Off)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eOFF (Open Circuit)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eOFF (Dark)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003ePress (On)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eON (Closed Circuit)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eON (Illuminated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Considerations and Precautions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Specificity:\u003c\/strong\u003e Illuminated switches are rated for specific voltages (e.g., 12V DC, 110V AC, or 220V AC). Connecting a low-voltage DC LED switch to high-voltage AC will result in immediate component failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Identification:\u003c\/strong\u003e Always identify the ground pin (usually brass or gold) before applying power. Incorrectly swapping the positive and ground terminals can lead to a short circuit when the switch is flipped to the \"On\" position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Capacity:\u003c\/strong\u003e Verify that the switch’s rated amperage (e.g., 15A 250VAC) is higher than the maximum current draw of your device to prevent terminal overheating or melting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Termination:\u003c\/strong\u003e Utilize high-quality insulated spade connectors or proper soldering to maintain a low-resistance connection, ensuring long-term electrical stability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdiv style=\"text-align: center; margin-top: 30px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/3_pin_illuminated_rocker_switch_wiring_diagram.webp?v=1777254655\" alt=\"3 Pin Illuminated Rocker Switch Wiring Diagram\" style=\"max-width: 100%; height: auto; border: 1px solid #eee; border-radius: 4px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); display: block; margin: 0 auto;\"\u003e\n\u003cp style=\"color: #666; font-size: 0.85em; margin-top: 10px;\"\u003e\u003cem\u003eFigure 1: Standard Connection Schematic for a 3-Pin Illuminated Rocker Switch\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px;\"\u003eHow Rocker Switches Work in Industrial Systems\u003c\/h2\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eIn industrial environments, the \u003cstrong\u003eround rocker switch\u003c\/strong\u003e acts as a primary control interface. Its simple \"seesaw\" mechanical design minimizes moving parts, which reduces the failure rate compared to complex push-button mechanisms. The \u003cstrong\u003e3-pin led rocker switch\u003c\/strong\u003e is particularly useful in low-light industrial cabinets, where the illuminated actuator guides the operator and prevents accidental power-down of critical systems.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f1f7ff; padding: 25px; border-radius: 8px; border: 1px solid #1a73e8; margin-top: 30px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px;\"\u003eFILN Factory Direct Supply\u003c\/h2\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eFILN is a premier manufacturer of \u003cstrong\u003eround rocker switches\u003c\/strong\u003e, supporting high-volume industrial orders with \u003cstrong\u003eNo MOQ\u003c\/strong\u003e and \u003cstrong\u003eFast Global Shipping\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVoltage Customization:\u003c\/strong\u003e 5V, 12V, 24V, 110V, 220V available.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCustom Wiring:\u003c\/strong\u003e Custom wire lengths and connectors support.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDirect Support:\u003c\/strong\u003e Engineering consulting for OEM\/ODM projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOfficial Website:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.cnfiln.com\" style=\"color: #1a73e8;\" target=\"_blank\"\u003ewww.filn.com\u003c\/a\u003e\u003cbr\u003e\u003cstrong\u003eContact:\u003c\/strong\u003e \u003ca href=\"mailto:inquiry@cnylin.com.cn\" style=\"color: #1a73e8;\"\u003einquiry@cnylin.com.cn\u003c\/a\u003e\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/About_FILN.webp?v=1774851338\" alt=\"FILN Factory Facility\" style=\"max-width: 100%; height: auto; margin-top: 10px;\"\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How do you wire a 3 pin led round rocker switch?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Connect the power source to the 'Line' pin, the device to the 'Load' pin, and the 'Ground' pin to neutral. This ensures the LED lights up when the switch is ON.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is the panel cutout for the KCD1 round rocker switch?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"The standard mounting size for this circular rocker switch is φ19.6mm.\"\n          }\n        }\n      ]\n    }\n    \u003c\/script\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cstrong\u003eQ1: [3-Pin\/LED] What is the difference between Pin 2 and Pin 3?\u003c\/strong\u003e\u003cbr\u003ePin 2 is the load output to your device. Pin 3 is exclusively for the LED ground connection to complete the internal lamp circuit.\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cstrong\u003eQ2: [3-Pin\/LED] Can I use this switch for DC 12V?\u003c\/strong\u003e\u003cbr\u003eYes, FILN offers custom voltages. We can provide internal resistors optimized for 5V, 12V, 24V DC, or 110V\/220V AC.\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cstrong\u003eQ3: [3-Pin\/LED] Is the switch waterproof for outdoor use?\u003c\/strong\u003e\u003cbr\u003eThis model reaches IP65\/IP66 protection when used with our specialized silicone waterproof cover, protecting against splashes and dust.\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cstrong\u003eQ4: [Installation] Do I need special tools for snap-in mounting?\u003c\/strong\u003e\u003cbr\u003eNo tools are needed to secure the switch. Once the φ19.6mm hole is drilled, the switch is simply pushed in by hand.\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cstrong\u003eQ5: [3-Pin\/LED] Why are there five different colors?\u003c\/strong\u003e\u003cbr\u003eRed, Green, Blue, Yellow, and White LEDs are used for color-coding different functions on a control panel for safer operation.\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cstrong\u003eQ6: [3-Pin\/LED] Can I wire it so the light is always on?\u003c\/strong\u003e\u003cbr\u003eYes, by connecting the power source directly to both the Line pin and the LED pin, you can keep the lamp illuminated regardless of switch state.\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cstrong\u003eQ7: [Customization] Does FILN offer pre-installed wire harnesses?\u003c\/strong\u003e\u003cbr\u003eAbsolutely. As a factory, we can provide switches with custom lead wires and various connectors pre-crimped to the terminals.\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cstrong\u003eQ8: [Durability] What is the rated current for this round switch?\u003c\/strong\u003e\u003cbr\u003eIt is rated for heavy-duty industrial use up to 30A 250VAC, ensuring it can handle high-draw motors and heaters.\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cstrong\u003eQ9: [Certification] Are these switches UL and CE listed?\u003c\/strong\u003e\u003cbr\u003eYes, they carry all major international safety certifications required for export to the US and European markets.\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cstrong\u003eQ10: [Installation] What panel thickness is supported?\u003c\/strong\u003e\u003cbr\u003eThe snap-in clips are designed to accommodate panels ranging from 0.7mm to 3.0mm in thickness.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KCD1 Rocker Switch","offers":[{"title":"ON-OFF \/ Red \/ 5-24V","offer_id":39611934277694,"sku":"FL3-KCD1-121-11N-R-524V","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Red \/ 110-220V","offer_id":39611934310462,"sku":"FL3-KCD1-121-11N-R-110220V","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Red \/ Customization (please note)","offer_id":39611934343230,"sku":"FL3-KCD1-121-11N-R-C","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ 5-24V","offer_id":39611934670910,"sku":"FL3-KCD1-121-11N-G-524V","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ 110-220V","offer_id":39611934703678,"sku":"FL3-KCD1-121-11N-G-110220V","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ Customization (please note)","offer_id":39611934736446,"sku":"FL3-KCD1-121-11N-G-C","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Yellow \/ 5-24V","offer_id":39611934474302,"sku":"FL3-KCD1-121-11N-Y-524V","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Yellow \/ 110-220V","offer_id":39611934507070,"sku":"FL3-KCD1-121-11N-Y-110220V","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Yellow \/ Customization (please note)","offer_id":39611934539838,"sku":"FL3-KCD1-121-11N-Y-C","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Blue \/ 5-24V","offer_id":39611934867518,"sku":"FL3-KCD1-121-11N-B-524V","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Blue \/ 110-220V","offer_id":39611934900286,"sku":"FL3-KCD1-121-11N-B-110220V","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Blue \/ Customization (please note)","offer_id":39611934933054,"sku":"FL3-KCD1-121-11N-B-C","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ White \/ 5-24V","offer_id":39611935064126,"sku":"FL3-KCD1-121-11N-W-524V","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ White \/ 110-220V","offer_id":39611935096894,"sku":"FL3-KCD1-121-11N-W-110220V","price":0.69,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ White \/ Customization (please note)","offer_id":39611935129662,"sku":"FL3-KCD1-121-11N-W-C","price":0.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/round-rocker-switch.webp?v=1777265214","url":"https:\/\/www.cnfiln.com\/products\/round-rocker-switch-kcd1","provider":"FILN Shopify","version":"1.0","type":"link"}