{"product_id":"black-plastic-rocker-on-off-switch","title":"Rocker On Off Switch Black Plastic Waterproof IP65 KCD4 4-Pin DPST Switch 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: 0px; border-bottom: 2px solid #1a73e8; padding-bottom: 1px; width: 100%;\"\u003eWhat is Rocker On Off Switch?\u003c\/h2\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eA \u003cstrong\u003erocker on off switch\u003c\/strong\u003e is a fundamental electrical component used to manually open or close a power circuit through a pivoting motion. The \u003cstrong\u003eFL3-KCD4-0113-21\u003c\/strong\u003e model is a market-universal \u003cstrong\u003eKCD4 series\u003c\/strong\u003e rectangular switch featuring a high-quality \u003cstrong\u003eblack plastic surface\u003c\/strong\u003e. Designed for a \u003cstrong\u003e30x22mm\u003c\/strong\u003e mounting hole, it utilizes 4-pin terminals to provide DPST (Double Pole Single Throw) control, making it a reliable choice for high-current applications in both AC and DC environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 0px; border-bottom: 2px solid #1a73e8; padding-bottom: 1px; width: 100%;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eThe FILN \u003cstrong\u003erocker on off switch\u003c\/strong\u003e is engineered for durability and aesthetic versatility. This 2-position switch features a \u003cstrong\u003eblack plastic actuator\u003c\/strong\u003e that is not only fashionable but also \u003cstrong\u003eeasy to clean\u003c\/strong\u003e and maintain. Designed as a \u003cstrong\u003eframeless (no frame)\u003c\/strong\u003e integrated unit, it achieves an \u003cstrong\u003eIP65 waterproof rating\u003c\/strong\u003e, allowing for safe operation in outdoor and industrial settings. The \u003cstrong\u003e4-pin terminal\u003c\/strong\u003e configuration at the base ensures a stable electrical connection. With support for \u003cstrong\u003e5V-24V\u003c\/strong\u003e and \u003cstrong\u003e110V-220V\u003c\/strong\u003e custom voltages, this switch is widely used in powered equipment to control circuit continuity efficiently.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 25px 0; border: 3px solid #28a745; padding: 15px; border-radius: 8px; text-align: center;\"\u003e\u003ca href=\"https:\/\/www.cnfiln.com\/collections\/rocker-switch\" style=\"color: #28a745; font-weight: 800; text-decoration: none; font-size: 18px;\" target=\"_blank\"\u003e ➜ CLICK HERE TO BROWSE ALL ROCKER SWITCH PRODUCTS (OPEN IN NEW WINDOW) \u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 0px; border-bottom: 2px solid #1a73e8; padding-bottom: 1px; width: 100%;\"\u003eWorking Principles: ON-OFF vs ON-ON\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 8px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left; width: 20%;\"\u003eFunction\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eTechnical Logic\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eApplication Scenario\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eON-OFF\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eSingle Throw: The circuit is bridged in the ON position and fully disconnected in the OFF position.\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003ePrimary power control for appliances and tools.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eON-ON\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eDouble Throw: Power is toggled between two different output paths; there is no neutral OFF state.\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eSwitching between modes (e.g., Fan Speed 1 vs Speed 2).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 0px; border-bottom: 2px solid #1a73e8; padding-bottom: 1px; width: 100%;\"\u003eQuick Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 8px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; width: 50%; background-color: #f9f9f9;\"\u003eModel Number\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eFL3-KCD4-0113-21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; background-color: #f9f9f9;\"\u003eMounting Hole Size\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e30X22MM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; background-color: #f9f9f9;\"\u003eFunction Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eON-OFF (2-Position)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; background-color: #f9f9f9;\"\u003eLED Colors Available\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eRed, Green, Yellow, Blue, White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; background-color: #f9f9f9;\"\u003eActuator Material\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eFashionable Black Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; background-color: #f9f9f9;\"\u003eTerminal Pins\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e4-Pin Plug-in Feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; background-color: #f9f9f9;\"\u003eFrame Design\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eNo Frame (integrated body)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 0px; border-bottom: 2px solid #1a73e8; padding-bottom: 1px; width: 100%;\"\u003eTechnical Performance Parameters\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 8px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; width: 50%;\"\u003eRated Power\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\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: 10px;\"\u003eOperational Voltage\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e5V-24V \/ 110V-220V \/ Custom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eInitial Contact Resistance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e≤50mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e≥100mΩ \/ 500VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eDielectric Strength\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e1500VAC \/ 5mA 60s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eService Life\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e10,000 Electrical Cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eEnvironmental Temp\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eProtection Grade\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eIP65 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 src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Product_Certification.webp?v=1774674312\" alt=\"UL CE RoHS Product Certifications\" style=\"max-width: 100%; height: auto;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 0px; border-bottom: 2px solid #1a73e8; padding-bottom: 1px; 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: 30px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 0px; border-bottom: 2px solid #1a73e8; padding-bottom: 1px; width: 100%;\"\u003eDesign Benefits: Lighting \u0026amp; Maintenance\u003c\/h2\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eChoosing the right \u003cstrong\u003erocker on off switch\u003c\/strong\u003e involves balancing aesthetics and functionality. The \u003cstrong\u003eilluminated black rocker switch\u003c\/strong\u003e is designed to provide high visibility; the integrated LED indicator makes the switch easy to locate in dark environments, improving safety during nighttime operation. Furthermore, the \u003cstrong\u003eblack plastic actuator\u003c\/strong\u003e is a superior choice for professional settings. It is highly resistant to fingerprints and stains, making it \u003cstrong\u003eeasy to clean\u003c\/strong\u003e and exceptionally fashionable. For simpler setups, the black non-lighted version offers a versatile, classic look that matches any panel design.\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=\"Industrial Grade Rocker Switch Design\" style=\"width: 100%; height: auto; margin-top: 10px; border-radius: 5px;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 0px; border-bottom: 2px solid #1a73e8; padding-bottom: 1px; 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: 30px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 0px; border-bottom: 2px solid #1a73e8; padding-bottom: 1px; width: 100%;\"\u003eSnap-in Installation Procedure\u003c\/h2\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eThe FILN \u003cstrong\u003eKCD4 rocker switch\u003c\/strong\u003e features a user-friendly snap-in mounting system for rapid assembly:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePrepare the panel by cutting a precise \u003cstrong\u003e30x22mm\u003c\/strong\u003e rectangular opening.\u003c\/li\u003e\n\u003cli\u003eAlign the switch from the front (top) of the mounting panel.\u003c\/li\u003e\n\u003cli\u003ePress the switch firmly into the cutout; the \u003cstrong\u003eintegrated side clips\u003c\/strong\u003e will retract and then snap out to lock the switch securely against the panel walls.\u003c\/li\u003e\n\u003cli\u003eProceed with wiring by connecting your power lines to the \u003cstrong\u003e4-pin terminals\u003c\/strong\u003e on the base.\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 for Rocker Switch\" style=\"width: 100%; height: auto; margin-top: 10px; border-radius: 5px;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 0px; border-bottom: 2px solid #1a73e8; padding-bottom: 1px; width: 100%;\"\u003eVersatile Application Scenarios\u003c\/h2\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eA reliable \u003cstrong\u003erocker on off switch\u003c\/strong\u003e is the heart of any powered device, acting as the primary interface for circuit control. These \u003cstrong\u003eIP65 waterproof\u003c\/strong\u003e switches are ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Equipment:\u003c\/strong\u003e Water dispensers, industrial coffee brewers, and kitchen air fryers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor Systems:\u003c\/strong\u003e Marine dashboard controls and agricultural machinery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Power:\u003c\/strong\u003e PDU distribution boxes and heavy-duty testing equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsumer Electronics:\u003c\/strong\u003e Power tools and household appliances.\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=\"Applications of KCD4 Rocker Switch\" style=\"width: 100%; height: auto; margin-top: 10px; border-radius: 5px;\"\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: 0px; border-bottom: 2px solid #1a73e8; padding-bottom: 1px; width: 100%;\"\u003eFactory Direct Customization\u003c\/h2\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eFILN is a premier manufacturer offering wholesale pricing and \u003cstrong\u003eNo MOQ\u003c\/strong\u003e requirements. We support extensive customization, including \u003cstrong\u003eVoltage (5V-220V)\u003c\/strong\u003e, \u003cstrong\u003eInternal LED colors\u003c\/strong\u003e, and custom \u003cstrong\u003eWiring Harnesses\u003c\/strong\u003e. Our products are available for immediate purchase through our global distribution channels.\u003c\/p\u003e\n\u003cp style=\"margin-top: 15px;\"\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\u003eInquiries:\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 Production Line\" 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: 0px; border-bottom: 2px solid #1a73e8; padding-bottom: 1px; 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 rocker on off switch have?\u003c\/strong\u003e\u003cbr\u003eThis model features 4 pins (DPST) to control both live and neutral lines while powering the internal LED.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Can I use this 12V rocker switch for a 220V appliance?\u003c\/strong\u003e\u003cbr\u003eThe body can handle the load, but the LED is voltage-specific. We provide custom 110V-220V LED versions for these applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Is the KCD4 30x22mm switch suitable for outdoor use?\u003c\/strong\u003e\u003cbr\u003eYes, it has an IP65 waterproof rating and a frameless integrated body, making it ideal for outdoor environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Why choose a black plastic surface over a transparent one?\u003c\/strong\u003e\u003cbr\u003eBlack surfaces are more smudge-resistant, easier to clean, and offer a more professional, stylish aesthetic for high-end panels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Does the switch come with a waterproof frame?\u003c\/strong\u003e\u003cbr\u003eThis specific model is a \"No Frame\" design, offering a cleaner, flush-mount appearance without sacrificing water resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. What is the electrical life expectancy of this 4-pin switch?\u003c\/strong\u003e\u003cbr\u003eIt is rated for a minimum of 10,000 cycles at full rated electrical load.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. How do I know which pin is for the light?\u003c\/strong\u003e\u003cbr\u003eFor our 4-pin DPST switches, the light usually shares the circuit with the load pins; please refer to our wiring schematic for precise connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Can FILN provide custom LED colors like Blue or White?\u003c\/strong\u003e\u003cbr\u003eYes, we offer RGYBW (Red, Green, Yellow, Blue, White) LED options to suit your design requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e9. Is there a minimum order quantity (MOQ) for custom voltages?\u003c\/strong\u003e\u003cbr\u003eNo, FILN factory provides custom voltage services with no minimum order requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10. Are these switches certified for international sale?\u003c\/strong\u003e\u003cbr\u003eAbsolutely. Our switches carry UL, CE, VDE, RoHS, and SGS certifications for global compliance.\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 rocker on off switch have?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"This model is equipped with 4 pins (DPST), which allow it to control two poles of the circuit or provide a safe disconnection of both power lines while lighting the status LED.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Is the KCD4 30x22mm switch suitable for outdoor use?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes, with an IP65 protection rating and an integrated frameless design, it is built to withstand moisture and dust in outdoor applications.\"\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":39612758097982,"sku":"FL3-KCD4-0113-21-1-R-524V","price":3.24,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Red \/ 110-220V","offer_id":39612758130750,"sku":"FL3-KCD4-0113-21-1-R-110220V","price":3.24,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Red \/ Customization (please note)","offer_id":39612758163518,"sku":"FL3-KCD4-0113-21-1-R-C","price":3.24,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ 5-24V","offer_id":39612758491198,"sku":"FL3-KCD4-0113-21-1-G-524V","price":3.24,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ 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110-220V","offer_id":39612758720574,"sku":"FL3-KCD4-0113-21-1-B-110220V","price":3.24,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Blue \/ Customization (please note)","offer_id":39612758753342,"sku":"FL3-KCD4-0113-21-1-B-C","price":3.24,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ White \/ 5-24V","offer_id":39612758884414,"sku":"FL3-KCD4-0113-21-1-W-524V","price":3.24,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ White \/ 110-220V","offer_id":39612758917182,"sku":"FL3-KCD4-0113-21-1-W-110220V","price":3.24,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ White \/ Customization (please note)","offer_id":39612758949950,"sku":"FL3-KCD4-0113-21-1-W-C","price":3.24,"currency_code":"USD","in_stock":true},{"title":"ON-ON \/ Red \/ 5-24V","offer_id":39612759081022,"sku":"FL3-KCD4-0113-21-2-R-524V","price":3.24,"currency_code":"USD","in_stock":true},{"title":"ON-ON \/ Red \/ 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