{"product_id":"rocker-switch-12v-screw-feet","title":"Rocker Switch 12V Transparent Plastic Screw Feet 4PIN ON-OFF 30X22MM UL FILN","description":"\u003cdiv style=\"font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: #333; max-width: 1000px; margin: 0 auto; padding: 10px;\"\u003e\n\u003cdiv style=\"margin-top: 20px; margin-bottom: 40px;\"\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 15px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; margin: 0; padding-bottom: 5px;\"\u003eRocker Switch Drawing\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto; border-radius: 4px;\" alt=\"Rocker Switch Drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Frameless_4-Pin_Waterproof_Rocker_Switch_Drawing.webp?v=1777360329\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 40px;\"\u003e\n\u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 15px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003eWhat is Rocker Switch 12V?\u003c\/h2\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eA \u003cstrong\u003eRocker Switch 12V\u003c\/strong\u003e is an electrical control device designed to open or close a circuit by rocking motion. The \u003cstrong\u003eFL3-KCD4-0111-21S\u003c\/strong\u003e model is a professional-grade \u003cstrong\u003eKCD4 series\u003c\/strong\u003e switch featuring a \u003cstrong\u003etransparent ordinary plastic surface\u003c\/strong\u003e. It is engineered for \u003cstrong\u003e30x22mm\u003c\/strong\u003e panel cutouts and typically operates as a 4-pin DPST (Double Pole Single Throw) switch, providing robust power control for both automotive and industrial 12V DC applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 35px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eThe FILN \u003cstrong\u003erocker switch 12v\u003c\/strong\u003e is a market-standard KCD4 rectangular component built for reliability. It features a unique \u003cstrong\u003etransparent plastic actuator\u003c\/strong\u003e that maximizes the brightness of the internal LED, ensuring the switch is highly visible in dark environments. With an \u003cstrong\u003eIP65 waterproof rating\u003c\/strong\u003e and a \u003cstrong\u003eframeless (no frame) integrated housing\u003c\/strong\u003e, it is ideal for outdoor equipment. The 21S version utilizes \u003cstrong\u003escrew-foot terminals\u003c\/strong\u003e (screw terminals) at the base for an ultra-secure connection. Certified with \u003cstrong\u003eISO9001, CE, VDE, RoHS, SGS, and UL\u003c\/strong\u003e, it serves as a high-current control solution (up to 30A) across various industries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 30px 0; border: 2px solid #28a745; padding: 15px; border-radius: 5px; text-align: center;\"\u003e\u003ca href=\"https:\/\/www.cnfiln.com\/collections\/rocker-switch\" style=\"color: #28a745; font-weight: bold; text-decoration: none; font-size: 16px;\" target=\"_blank\"\u003e ➜ CLICK TO VIEW ALL ROCKER SWITCH PRODUCTS (NEW WINDOW) \u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 35px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003eSwitch Function Principles (ON-OFF \u0026amp; ON-ON)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; width: 20%;\"\u003eFunction\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eWorking Principle\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eCircuit Status\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eON-OFF\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSingle Throw: The circuit is either fully connected or completely disconnected.\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eStandard 2-position power control.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eON-ON\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eDouble Throw: Toggling switches the power from one output path to another.\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eContinuous power to alternating devices.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 35px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003eQuick Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; width: 50%; background-color: #f9f9f9;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eFL3-KCD4-0111-21S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9;\"\u003eMounting Size\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e30X22MM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9;\"\u003eSwitch Function\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; background-color: #f9f9f9;\"\u003eLED Colors\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRed, Green, Yellow, Blue, White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9;\"\u003eTerminal Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eScrew Foot (Screw Terminals) \/ 4-Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9;\"\u003eFrame Design\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eNo Frame (integrated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 35px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003ePerformance Parameters\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; width: 50%;\"\u003eRated Voltage\/Current\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003e16A 250VAC\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eLED Voltage\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e5V-24V \/ 110V-220V \/ Custom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eContact 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;\"\u003eInsulation 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 Life\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 Rating\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eIP65 Waterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"margin-top: 15px; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Product_Certification.webp?v=1774674312\" alt=\"Product Certifications\" style=\"max-width: 100%; height: auto;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 35px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003eComponent Materials\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003ePart Name\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eMaterial Used\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eTransparent Actuator\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePolycarbonate (PC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHousing Base\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePA66 \/ ABS\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;\"\u003eIndustrial Rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eTerminals\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eH62 Brass \/ Silver Contacts (AgCdO12)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 35px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003eTechnical Advantages of the 30A High-Current Rocker Switch\u003c\/h2\u003e\n\u003cp style=\"margin-bottom: 15px;\"\u003eThe FILN 30A High-Current Rocker Switch has been meticulously engineered for high-power loads and extreme durability. Below is a detailed technical comparison highlighting the superior features of our upgraded model:\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 25px; font-size: 14px; border: 1px solid #eee;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f4f7fb;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #eee; text-align: left; color: #1a73e8;\"\u003eCore Component\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #eee; text-align: left; color: #1a73e8;\"\u003eUpgrade Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #eee; text-align: left; color: #1a73e8;\"\u003ePerformance Benefit\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 #eee; font-weight: bold;\"\u003eHousing Structure\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee;\"\u003eSplit Black Housing Design\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee;\"\u003eSuperior structural stability and enhanced sealing for easier installation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee; font-weight: bold;\"\u003eWaterproof Design\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee;\"\u003eOptimized Frame Surface\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee;\"\u003eFits panels more securely, significantly improving waterproof and dustproof ratings.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee; font-weight: bold;\"\u003eIllumination\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee;\"\u003ePremium LED Lamp\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee;\"\u003eLonger lifespan and more uniform illumination compared to traditional neon lamps.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee; font-weight: bold;\"\u003eContact Material\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee;\"\u003eSilver Contacts + 1mm Thick Brass\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee;\"\u003eRated for true 30A loads; provides higher electrical endurance and reliability.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee; font-weight: bold;\"\u003eInner Holder\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee;\"\u003eNew Larger Contact Holder\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee;\"\u003eIncreases contact surface area to reduce heat generation during high-current operation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee; font-weight: bold;\"\u003eMaterial Grade\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee;\"\u003eImported PA Nylon Material\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #eee;\"\u003eHigh-strength flame retardancy; resists cracking even in high-temperature environments.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #1a73e8; border-left: 5px solid #1a73e8; padding-left: 12px; margin: 25px 0 15px; font-size: 22px; font-weight: bold;\"\u003eApplication \u0026amp; Selection Guide\u003c\/h2\u003e\n\u003cp style=\"margin-bottom: 25px;\"\u003eTo ensure the safety and longevity of your equipment, we recommend the \u003cstrong\u003e30A Upgraded Model\u003c\/strong\u003e for heavy-duty applications such as \u003cstrong\u003eIndustrial Control Panels, Outdoor Portable Power Stations, Marine Systems, and High-Performance Automotive modifications\u003c\/strong\u003e. For standard residential or lower-wattage appliances, our Regular Item remains a high-quality, cost-effective solution.\u003c\/p\u003e\n\u003cdiv class=\"product-image-container\" style=\"text-align: center; margin-top: 20px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Advantages-of-30A-Rocker-Switch.webp?v=1777108466\" alt=\"Advantages of 30A Rocker Switch Technical Comparison\" style=\"display: block; max-width: 100%; height: auto; margin: 0 auto; border: 1px solid #f0f0f0; border-radius: 4px; box-shadow: 0 4px 10px rgba(0,0,0,0.05);\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 35px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003ePremium Design: Transparent vs. Classic Surfaces\u003c\/h2\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eThe FILN \u003cstrong\u003eKCD4 rocker switch\u003c\/strong\u003e series offers two distinct styles. The \u003cstrong\u003etransparent plastic surface\u003c\/strong\u003e featured here is optimized for illumination; in dark environments, it provides a bright, clear glow that improves operator safety. Conversely, the \u003cstrong\u003eblack plastic surface\u003c\/strong\u003e option offers a sleek, versatile look that is exceptionally easy to clean and smudge-resistant, making it a popular choice for high-end industrial panels and modern kitchen equipment. Both designs share the same \u003cstrong\u003elong-life\u003c\/strong\u003e internal silver contacts and \u003cstrong\u003eeasy-to-wire\u003c\/strong\u003e terminal configurations.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/high-quality-waterproof-rocker-switch.webp?v=1777108466\" alt=\"Waterproof Rocker Switch Design\" style=\"width: 100%; height: auto; border-radius: 5px; margin-top: 10px;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 35px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003eIndustrial and Outdoor Applications\u003c\/h2\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eThis \u003cstrong\u003ewaterproof rocker switch 12v\u003c\/strong\u003e is versatile enough for virtually any power control scenario. Common applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive \u0026amp; Marine:\u003c\/strong\u003e RV light controls, boat dashboard switches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial:\u003c\/strong\u003e Machinery power buttons, distribution boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppliances:\u003c\/strong\u003e Coffee makers, water dispensers, and kitchen fryers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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=\"width: 100%; height: auto; border-radius: 5px; margin-top: 10px;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 35px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003eInstallation Steps\u003c\/h2\u003e\n\u003col style=\"margin-top: 10px;\"\u003e\n\u003cli\u003eCut a 30x22mm rectangular hole in the mounting panel.\u003c\/li\u003e\n\u003cli\u003eAlign the switch from the front of the panel and push it into the cutout.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003esnap-in side clips\u003c\/strong\u003e will expand to lock the switch firmly against the panel.\u003c\/li\u003e\n\u003cli\u003eConnect the wires to the \u003cstrong\u003escrew terminals\u003c\/strong\u003e or 4-pin quick-connect terminals on the back.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Rocker-Switch-Installation-Steps.webp?v=177710907\" alt=\"Installation Steps\" style=\"width: 100%; height: auto; border-radius: 5px; margin-top: 10px;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 35px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003eComplete Rocker Switch Wiring Diagram and Connection Guide\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003e4 pin rocker switch wiring diagram\u003c\/strong\u003e is essential for managing higher-current loads or providing clear visual feedback in electrical systems. These switches are typically \u003cstrong\u003eDouble Pole Single Throw (DPST)\u003c\/strong\u003e or specialized single-pole configurations that allow the internal lamp to function independently or in synchronization with the connected device. Depending on your requirements, \u003cstrong\u003erocker switch wiring\u003c\/strong\u003e can be configured for either \"Independent Illumination\" (Always On) or \"Dependent Illumination\" (On when Device is Active).\u003c\/p\u003e\n\u003ch3\u003eOption 1: Light On When Device is Operating (Dependent Illumination)\u003c\/h3\u003e\n\u003cp\u003eThis configuration is ideal when you need a visual status indicator to show that the equipment is currently powered. In this mode, the internal LED only illuminates when the switch is toggled to the \"Press\" position.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Connection:\u003c\/strong\u003e Connect the positive (+) and negative (-) wires from the power source to the \u003cstrong\u003ebottom set of pins\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Connection:\u003c\/strong\u003e Connect the positive and negative terminals of your device to the \u003cstrong\u003etop set of pins\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic:\u003c\/strong\u003e When the switch is closed, current flows through the device and simultaneously completes the internal circuit for the LED lamp.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center; margin: 20px 0;\"\u003e\n\u003cimg style=\"max-width: 100%; height: auto; border: 1px solid #eee; border-radius: 4px; box-shadow: 0 2px 5px rgba(0,0,0,0.1);\" alt=\"4 Pin Rocker Switch Wiring Diagram - Dependent Illumination\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/rocker_switch_wiring.webp?v=1777254975\"\u003e\n\u003cp style=\"color: #666; font-size: 0.85em; margin-top: 10px;\"\u003e\u003cem\u003eFigure 1: Wiring for LED illumination during device operation.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eOption 2: Switch Light Remains Constantly Lit (Independent Illumination)\u003c\/h3\u003e\n\u003cp\u003eThis setup is useful for locating the switch in dark environments (such as vehicle dashboards or industrial control panels). The internal LED remains on as long as the power source is connected, regardless of the device status.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Connection:\u003c\/strong\u003e Connect the power source positive (+) and negative (-) wires to the \u003cstrong\u003etop set of pins\u003c\/strong\u003e (where the internal lamp is internally bridged).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Connection:\u003c\/strong\u003e Connect the device terminals to the \u003cstrong\u003ebottom set of pins\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic:\u003c\/strong\u003e The LED is powered directly by the input line, while the rocker mechanism acts as a gatekeeper only for the current flowing to the device.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center; margin: 20px 0;\"\u003e\n\u003cimg style=\"max-width: 100%; height: auto; border: 1px solid #eee; border-radius: 4px; box-shadow: 0 2px 5px rgba(0,0,0,0.1);\" alt=\"4 Pin Rocker Switch Wiring Diagram - Constant Illumination\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/4_pin_rocker_switch_wiring_diagram.webp?v=1777255069\"\u003e\n\u003cp style=\"color: #666; font-size: 0.85em; margin-top: 10px;\"\u003e\u003cem\u003eFigure 2: Wiring for constant LED illumination (Switch Finder Mode).\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eComparison of Operation Logic\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin: 20px 0;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 450px; 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;\"\u003eConfiguration Type\u003c\/th\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;\"\u003eLED 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;\" rowspan=\"2\"\u003e\u003cstrong\u003eDependent (Option 1)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eNormal\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eOFF\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eOFF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003ePress\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eON\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\" rowspan=\"2\"\u003e\u003cstrong\u003eIndependent (Option 2)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eNormal\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eOFF\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003ePress\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eON\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eTechnical Considerations \u0026amp; Safety Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin Orientation:\u003c\/strong\u003e 4-pin rocker switches usually have two parallel circuits. Ensure you are wiring the positive and negative on the correct pairs to avoid a short circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Matching:\u003c\/strong\u003e Check if the internal lamp is designed for 12V DC or 110V\/220V AC. Using an AC lamp on a DC circuit will result in no light, while the reverse may cause the lamp to explode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage Ratings:\u003c\/strong\u003e Most 4-pin industrial switches (like the KCD4 series) support up to 15A-30A. Verify that your total load does not exceed the manufacturer's specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTermination:\u003c\/strong\u003e Use high-quality 6.3mm female spade connectors. Ensure they are fully insulated to prevent accidental contact between adjacent terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top: 35px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003eIndustry Knowledge: How it Works\u003c\/h2\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eA \u003cstrong\u003erocker switch\u003c\/strong\u003e functions by rocking back and forth; one side remains depressed while the other is raised. Internally, this movement pivots a metal contact arm (silver alloy) into position, bridging the gap between the incoming power pins and the device output pins. Because the \u003cstrong\u003eKCD4 4-pin switch\u003c\/strong\u003e controls two independent poles (DPST), it provides a safer disconnection by cutting both the live and neutral lines in AC systems, or both positive and negative in 12V DC systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px; background-color: #f1f3f4; padding: 25px; border-radius: 10px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003eFactory Direct Supply \u0026amp; Customization\u003c\/h2\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eFILN is a specialized manufacturer offering factory-direct pricing with no MOQ. We support full customization including \u003cstrong\u003eVoltage (5V-220V)\u003c\/strong\u003e, \u003cstrong\u003eWire Lengths\u003c\/strong\u003e, and \u003cstrong\u003eConnector Styles\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"margin-top: 15px;\"\u003e\u003ca href=\"mailto:inquiry@cnylin.com.cn\" style=\"background-color: #1a73e8; color: white; padding: 10px 20px; text-decoration: none; border-radius: 5px; font-weight: bold;\"\u003eREQUEST FREE SAMPLES\u003c\/a\u003e\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003eOfficial Website:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.filn.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=\"About FILN Factory\" style=\"width: 100%; height: auto; margin-top: 15px; border-radius: 5px;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 35px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; padding-bottom: 2px; width: 100%;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e1. How many pins does the lighted 12V rocker switch have?\u003c\/strong\u003e\u003cbr\u003eThis model features 4 pins (DPST) for total circuit control and LED integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Can I use a 12V rocker switch 12v for a 110V appliance?\u003c\/strong\u003e\u003cbr\u003eThe switch housing can handle the current, but the internal light is voltage-specific. FILN offers custom 110V\/220V LED versions for these needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Is the KCD4 30x22mm switch waterproof?\u003c\/strong\u003e\u003cbr\u003eYes, it has an IP65 rating and a frameless integrated body, making it suitable for wet and outdoor environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. What is the benefit of the screw terminal foot?\u003c\/strong\u003e\u003cbr\u003eScrew terminals provide a more vibration-resistant and heavy-duty connection than standard spade lugs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Is there a minimum order quantity (MOQ) for custom voltages?\u003c\/strong\u003e\u003cbr\u003eNo, FILN factory provides custom voltage services with no MOQ requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. How does the transparent plastic surface improve the light?\u003c\/strong\u003e\u003cbr\u003eThe high-transparency PC material allows the LED light to diffuse evenly through the entire rocker face.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. What is the mounting hole size for this switch?\u003c\/strong\u003e\u003cbr\u003eThe standard cutout size is 30mm x 22mm (KCD4 standard).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Are these switches certified for global sale?\u003c\/strong\u003e\u003cbr\u003eYes, they carry UL, CE, RoHS, and VDE certifications for worldwide compliance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e9. Does this switch have a frame?\u003c\/strong\u003e\u003cbr\u003eNo, this model is a frameless design, providing a flush and clean installation profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10. How long is the electrical life of the switch?\u003c\/strong\u003e\u003cbr\u003eIt is rated for a minimum of 10,000 cycles at full electrical load.\u003c\/p\u003e\n\u003c\/div\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 many pins does the lighted 12V rocker switch have?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"This model features 4 pins (DPST) to manage both power lines and provide an integrated LED status indicator.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Is the KCD4 30x22mm switch waterproof?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes, it has an IP65 protection rating and an integrated frameless design, making it durable for outdoor and industrial use.\"\n          }\n        }\n      ]\n    }\n    \u003c\/script\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KCD4 Rocker Switch","offers":[{"title":"ON-OFF \/ Red \/ 5-24V","offer_id":39612719923262,"sku":"FL3-KCD4-0111-21S-1-R-524V","price":1.8,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Red \/ 110-220V","offer_id":39612719956030,"sku":"FL3-KCD4-0111-21S-1-R-110220V","price":1.8,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Red \/ Customization (please note)","offer_id":39612719988798,"sku":"FL3-KCD4-0111-21S-1-R-C","price":1.8,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ 5-24V","offer_id":39612720513086,"sku":"FL3-KCD4-0111-21S-1-G-524V","price":1.8,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ 110-220V","offer_id":39612720545854,"sku":"FL3-KCD4-0111-21S-1-G-110220V","price":1.8,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ Customization (please note)","offer_id":39612720578622,"sku":"FL3-KCD4-0111-21S-1-G-C","price":1.8,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Yellow \/ 5-24V","offer_id":39612720119870,"sku":"FL3-KCD4-0111-21S-1-Y-524V","price":1.8,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Yellow \/ 110-220V","offer_id":39612720152638,"sku":"FL3-KCD4-0111-21S-1-Y-110220V","price":1.8,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Yellow \/ Customization (please note)","offer_id":39612720185406,"sku":"FL3-KCD4-0111-21S-1-Y-C","price":1.8,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Blue \/ 5-24V","offer_id":39612720709694,"sku":"FL3-KCD4-0111-21S-1-B-524V","price":1.8,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Blue \/ 110-220V","offer_id":39612720742462,"sku":"FL3-KCD4-0111-21S-1-B-110220V","price":1.8,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Blue \/ Customization (please 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