{"product_id":"led-rocker-switch-kcd4","title":"LED Rocker Switch ON-OFF Nylon Plastic Waterproof KCD4 Rocker Switch FILN Factory","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 src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Framed_4_Pin_Waterproof_Rocker_Switch_Drawing.webp?v=1777367822\" alt=\"Rocker Switch Drawing\" style=\"max-width: 100%; height: auto; border-radius: 4px;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003eWhat is an LED Rocker Switch?\u003c\/h2\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eAn \u003cstrong\u003eLED rocker switch\u003c\/strong\u003e is an electromechanical control component designed to bridge or interrupt an electrical circuit using a pivoting rocking motion. This \u003cstrong\u003eKCD4 series\u003c\/strong\u003e model integrates a high-intensity light-emitting diode (LED) to provide immediate visual status feedback, ensuring operator safety in low-light industrial environments. It typically functions as a \u003cstrong\u003e4-pin rocker switch\u003c\/strong\u003e, providing Double Pole Single Throw (DPST) control for simultaneous line and neutral switching.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003eIndustrial Product Overview\u003c\/h2\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eThe FILN \u003cstrong\u003eFL3-KCD4-0121-21\u003c\/strong\u003e is a high-performance \u003cstrong\u003eled rocker switch\u003c\/strong\u003e engineered for heavy-duty industrial applications. Featuring a standard \u003cstrong\u003e30x22mm\u003c\/strong\u003e mounting hole, this switch provides a reliable \u003cstrong\u003eON-OFF\u003c\/strong\u003e function with \u003cstrong\u003e4-pin\u003c\/strong\u003e spade terminals. It is built with a \u003cstrong\u003enylon plastic surface\u003c\/strong\u003e for superior chemical resistance and ease of cleaning. With global certifications including \u003cstrong\u003eISO9001, CE, VDE, RoHS, SGS, UL\u003c\/strong\u003e, and an \u003cstrong\u003eIP65\u003c\/strong\u003e waterproof rating, it is ideal for medical devices, commercial appliances, and marine control panels. The internal LED supports customizable voltages from \u003cstrong\u003e5-24V up to 110-220V\u003c\/strong\u003e in RGYBW colors.\u003c\/p\u003e\n\u003cdiv style=\"border: 2px solid #28a745; padding: 15px; border-radius: 8px; text-align: center; margin: 25px 0;\"\u003e\u003ca style=\"color: #28a745; font-weight: bold; text-decoration: none; font-size: 18px;\" href=\"https:\/\/www.cnfiln.com\/collections\/rocker-switch\" target=\"_blank\"\u003eBrowse All Professional Rocker Switch Series →\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003eQuick Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 15px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f8f9fa; font-weight: bold; width: 30%;\"\u003eModel Number\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eFL3-KCD4-0121-21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f8f9fa; font-weight: bold;\"\u003eMounting Hole Size\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e30mm x 22mm (1.18\" x 0.86\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f8f9fa; font-weight: bold;\"\u003eCircuit Function\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eON-OFF (2 Position)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f8f9fa; font-weight: bold;\"\u003eLED Illumination\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eIntegrated (Red, 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: #f8f9fa; font-weight: bold;\"\u003eTermination Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e4-Pin Spade Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f8f9fa; font-weight: bold;\"\u003eFrame Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eFramed \/ Enhanced Stability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003eElectrical Performance Parameters\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 15px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eTechnical Metric\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eSpecification Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRated Current \/ Voltage\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;\"\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;\"\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 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;\"\u003eAmbient Operating Temp\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e-40°C to +125°C\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 Waterproof\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 style=\"max-width: 100%; height: auto;\" alt=\"FILN LED Rocker Switch Certifications UL CE VDE\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Product_Certification.webp?v=1774674312\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003eComponent Materials\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 15px;\"\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;\"\u003eSwitch Base \u0026amp; Housing\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHigh-Heat PA66 Nylon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWaterproof Components\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRubber Gaskets \u0026amp; Washer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eTerminals \u0026amp; Pins\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eH62 Brass (Silver Plated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eInternal Contacts\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eAgCdO12 (Silver Alloy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003eGeneral Characteristics \u0026amp; Testing\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 15px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold; background-color: #f8f9fa;\"\u003eApplication Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eStandard KCD4 industrial usage range.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold; background-color: #f8f9fa;\"\u003eHumidity Resistance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e45%～85% Relative Humidity.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold; background-color: #f8f9fa;\"\u003eTest Pressure\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e86～106Kpa (860～1060mbar).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003eMechanical \u0026amp; Durability Behavior\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 15px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eProject Item\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eTest Condition \u0026amp; Requirement\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eTerminal Strength\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e80N static load pushed inward for 60s. No damage.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSolderability\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e235±5℃ for 3s. \u0026gt;90% coverage with molten tin.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHeat Resistance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWelding at 350±5℃ for 3s. No body deformation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMechanical Life\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e20,000 operations (No load, 60 ops\/min).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWeather Resistance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eTested for heat (125℃), cold (-40℃), and humidity.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\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 style=\"text-align: center; margin-top: 20px;\" class=\"product-image-container\"\u003e\u003cimg 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);\" alt=\"Advantages of 30A Rocker Switch Technical Comparison\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Advantages-of-30A-Rocker-Switch.webp?v=1777108466\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003eThe Difference Between Framed and Frameless Rocker Switches\u003c\/h2\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eFILN offers specialized \u003cstrong\u003eKCD4 rocker switches\u003c\/strong\u003e in two distinct structural configurations to meet high-end industrial and standard civil requirements.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; gap: 20px; flex-wrap: wrap; margin-top: 15px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 300px; padding: 15px; background: #f9f9f9; border-radius: 5px;\"\u003e\n\u003ch3 style=\"color: #1a73e8; margin-top: 0;\"\u003e1. Framed (Enhanced) Series\u003c\/h3\u003e\n\u003cp\u003eEquipped with an external structural white\/black frame that provides an \"exoskeleton\" for the switch body. This enhances \u003cstrong\u003estructural rigidity\u003c\/strong\u003e, protecting against panel pressure and ensuring a tighter \u003cstrong\u003ewaterproof seal\u003c\/strong\u003e for the cover. Ideal for medical equipment and outdoor machinery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 300px; padding: 15px; background: #f9f9f9; border-radius: 5px;\"\u003e\n\u003ch3 style=\"color: #1a73e8; margin-top: 0;\"\u003e2. Frameless (Standard) Series\u003c\/h3\u003e\n\u003cp\u003eDesigned for space-saving panel layouts. Without the extra border, these switches allow for \u003cstrong\u003ehigh-density array mounting\u003c\/strong\u003e. They share the same high-current internal components but offer a more cost-effective solution for climate-controlled indoor environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cimg style=\"width: 100%; height: auto; margin-top: 20px;\" alt=\"Comparison of Framed vs Frameless LED Rocker Switch\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/high-quality-waterproof-rocker-switch.webp?v=1777108466\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003eBroad Industry Applications\u003c\/h2\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eDue to the \u003cstrong\u003esnap-in installation\u003c\/strong\u003e and robust \u003cstrong\u003e30A rating\u003c\/strong\u003e, these switches are essential for power control across various sectors:\u003c\/p\u003e\n\u003cul style=\"column-count: 2;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eHome Appliances:\u003c\/strong\u003e Air fryers, humidifiers, and coffee machines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOffice Equipment:\u003c\/strong\u003e PDU power strips, printers, and shredders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Machinery:\u003c\/strong\u003e Cutting machines, conveyors, and distribution box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedical Devices:\u003c\/strong\u003e Centrifuges and diagnostic monitors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive \u0026amp; Marine:\u003c\/strong\u003e RV light control and boat dashboard panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cimg style=\"width: 100%; height: auto; margin-top: 20px;\" alt=\"Applications of Rectangular LED Rocker Switches\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Application-of-Rocker-Switches.webp?v=1777108480\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003eProfessional Installation Guide\u003c\/h2\u003e\n\u003col style=\"margin-top: 15px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanel Cutout:\u003c\/strong\u003e Precise a 30mm x 22mm rectangular opening in the mounting panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositioning:\u003c\/strong\u003e Align the switch actuator toward the front. The \u003cstrong\u003enylon plastic surface\u003c\/strong\u003e is designed for high-visibility orientation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnap-In Mounting:\u003c\/strong\u003e Push the switch body through the hole until the side-mounted clips click securely into place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Connect your wires to the \u003cstrong\u003e4-pin terminals\u003c\/strong\u003e using standard 6.3mm spade connectors.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cimg style=\"width: 100%; height: auto; margin-top: 20px;\" alt=\"LED Rocker Switch Installation Steps\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Rocker-Switch-Installation-Steps.webp?v=177710907\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003e4-Pin Complete 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 src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/rocker_switch_wiring.webp?v=1777254975\" alt=\"4 Pin Rocker Switch Wiring Diagram - Dependent Illumination\" style=\"max-width: 100%; height: auto; border: 1px solid #eee; border-radius: 4px; box-shadow: 0 2px 5px rgba(0,0,0,0.1);\"\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 src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/4_pin_rocker_switch_wiring_diagram.webp?v=1777255069\" alt=\"4 Pin Rocker Switch Wiring Diagram - Constant Illumination\" style=\"max-width: 100%; height: auto; border: 1px solid #eee; border-radius: 4px; box-shadow: 0 2px 5px rgba(0,0,0,0.1);\"\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 rowspan=\"2\" style=\"padding: 12px; border: 1px solid #ddd;\"\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 rowspan=\"2\" style=\"padding: 12px; border: 1px solid #ddd;\"\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: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003eIndustry Knowledge: How Rocker Switches Work\u003c\/h2\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eThe internal mechanism of a rocker switch utilizes a \u003cstrong\u003efulcrum-and-seesaw\u003c\/strong\u003e principle. When an operator presses one side, the movable contact pivots and makes connection with the stationary brass pin. Using \u003cstrong\u003eAgCdO12 silver contacts\u003c\/strong\u003e ensures high conductivity and prevents contact welding during high-current surges. The \u003cstrong\u003e30x22mm KCD4\u003c\/strong\u003e series is particularly popular because it balances high current capacity with a standardized footprint that fits most international industrial panels. The addition of a \u003cstrong\u003ewaterproof IP65\u003c\/strong\u003e rating expands its lifespan in humid or outdoor settings significantly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px; padding: 25px; background-color: #f0f7ff; border-radius: 10px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003eFILN Factory Direct Supply \u0026amp; Customization\u003c\/h2\u003e\n\u003cp style=\"margin-top: 10px;\"\u003eFILN is a premier manufacturer specializing in button and rocker switch technology. We provide end-to-end solutions for global B2B clients.\u003c\/p\u003e\n\u003cul style=\"column-count: 2;\"\u003e\n\u003cli\u003e\u003cstrong\u003eZero MOQ Requirement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFast Global Delivery\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVoltage Customization (5V-380V)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCustom Wire Harness \u0026amp; Connectors\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCE \/ UL \/ RoHS Certified\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top: 20px;\"\u003e\n\u003ca style=\"background-color: #1a73e8; color: white; padding: 10px 20px; text-decoration: none; border-radius: 5px; font-weight: bold; margin-right: 15px;\" href=\"mailto:inquiry@cnylin.com.cn\"\u003eRequest Free Samples\u003c\/a\u003e \u003ca style=\"color: #1a73e8; font-weight: bold; text-decoration: underline;\" href=\"https:\/\/www.filn.com\" target=\"_blank\"\u003eOfficial Website: www.filn.com\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 15px;\"\u003eContact us directly: \u003ca href=\"mailto:inquiry@cnylin.com.cn\"\u003einquiry@cnylin.com.cn\u003c\/a\u003e\u003c\/p\u003e\n\u003cimg style=\"width: 100%; height: auto; margin-top: 15px; border-radius: 5px;\" alt=\"FILN Factory Overview\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/About_FILN.webp?v=1774851338\"\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\": \"What is an led rocker switch?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"An LED rocker switch is a manual control switch that uses a rocking motion to open or close a circuit and features an integrated LED to show the circuit's power status.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is the cutout size for KCD4 switches?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"The standard industrial mounting hole size for KCD4 series rocker switches is 30x22mm (approximately 1.18 x 0.86 inches).\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How do you wire a 4-pin illuminated rocker switch?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Connect the positive and negative power source to the bottom pins, and the load (device) to the top pins. This ensures the LED illuminates when the device is ON.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Is this switch waterproof?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes, this FILN rocker switch has an IP65 rating, providing protection against water splashes and dust, suitable for outdoor and marine use.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What are the certifications of FILN rocker switches?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"FILN rocker switches carry UL, CE, VDE, RoHS, SGS, and ISO9001 certifications for global quality assurance.\"\n          }\n        }\n      ]\n    }\n    \u003c\/script\u003e\n\u003cdiv style=\"margin-top: 40px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8;\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Does this 4-pin rocker switch support 220V AC?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is rated for up to 30A 250VAC. The internal LED can be customized for either low voltage (12V\/24V) or high voltage (110V\/220V).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Can I install this switch without a frame?\u003c\/strong\u003e\u003cbr\u003eA: We provide both framed and frameless options. Use the frameless version for tight spaces or the framed version for better structural stability and sealing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Is the nylon surface easy to clean?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the smooth nylon plastic actuator is highly resistant to oils and dirt, making it very easy to wipe down in kitchen or industrial settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: What is the benefit of a 4-pin over a 2-pin switch?\u003c\/strong\u003e\u003cbr\u003eA: A 4-pin switch (DPST) can disconnect both the hot and neutral lines simultaneously for maximum safety, and it accommodates the internal LED indicator circuit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Can I get custom wire lengths for my order?\u003c\/strong\u003e\u003cbr\u003eA: Absolutely. FILN provides full factory customization for lead wires, connectors, and terminal types to match your assembly line requirements.\u003c\/p\u003e\n\u003c\/div\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":39612708126782,"sku":"FL3-KCD4-0121-21-1-R-524V","price":1.64,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Red \/ 110-220V","offer_id":39612708159550,"sku":"FL3-KCD4-0121-21-1-R-110220V","price":1.64,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Red \/ Customization (please note)","offer_id":39612708192318,"sku":"FL3-KCD4-0121-21-1-R-C","price":1.64,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ 5-24V","offer_id":39612708323390,"sku":"FL3-KCD4-0121-21-1-G-524V","price":1.64,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ 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