{"product_id":"rocker-switches-12v-4-pin","title":"Rocker Switches 12V 30A 4Pin Wiring UL ON-OFF with LED Light 5-220V FILN","description":"\u003cdiv style=\"font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: auto;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; width: 100%; padding-bottom: 5px; margin-top: 25px;\"\u003e\n\u003cspan\u003eRocker Switch Drawing\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/FL3-KCD4-030-21_Switch-Drawing.webp?v=1777274564\" alt=\"\"\u003e\u003cbr\u003e\u003cbr\u003eWhat are Rocker Switches 12V?\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cp\u003eA \u003cstrong\u003erocker switch 12v\u003c\/strong\u003e is an electrical control device designed to open or close a circuit by a rocking motion. Specifically, the 12V designation refers to its optimized internal LED illumination system and contact rating for low-voltage DC applications, though high-quality models like the \u003cstrong\u003eFL3-KCD4-030-21\u003c\/strong\u003e are engineered to handle up to 250VAC. These switches serve as a standard interface for power management, enabling users to manually bridge or interrupt electricity flow to industrial machines or household appliances with high reliability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; width: 100%; padding-bottom: 5px; margin-top: 25px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eFL3-KCD4-030-21\u003c\/strong\u003e is a high-performance \u003cstrong\u003erocker switches 12v\u003c\/strong\u003e solution designed for heavy-duty industrial environments. This \u003cstrong\u003eKCD4 rectangle rocker switch\u003c\/strong\u003e features a robust 4-pin design and \u003cstrong\u003e30A high current\u003c\/strong\u003e capacity. Certified with \u003cstrong\u003eISO9001, CE, VDE, RoHS, SGS, and UL\u003c\/strong\u003e, it ensures safety across global markets. The split-type construction allows for excellent thermal dissipation, making it ideal for \u003cstrong\u003ehigh-current\u003c\/strong\u003e machinery and power-hungry appliances. Whether utilized in \u003cstrong\u003esnap-in rocker switch installation\u003c\/strong\u003e or custom control panels, its \u003cstrong\u003eIP65\u003c\/strong\u003e potential with a cover ensures longevity in diverse \u003cstrong\u003eindustrial-waterproof-rocker-switch-ip65\u003c\/strong\u003e applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #28a745; padding: 15px; margin: 20px 0; border-radius: 5px; text-align: center;\"\u003e\u003ca style=\"color: #28a745; font-weight: bold; text-decoration: none; font-size: 18px;\" href=\"https:\/\/www.cnfiln.com\/collections\/rocker-switch\" target=\"_blank\"\u003eEXPLORE FULL ROCKER SWITCH COLLECTION →\u003c\/a\u003e\u003c\/div\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; width: 100%; padding-bottom: 5px; margin-top: 25px;\"\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\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa; width: 50%;\"\u003eModel\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; width: 50%;\"\u003eFL3-KCD4-030-21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eMounting Size\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e30x22mm (1.18x0.87 inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eFunction\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eON-OFF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eLED Color\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eRed, Green, Yellow, Blue, White, or No Light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eAppearance\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eRectangle \/ KCD4 Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eWiring Method\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e4-Pin Spade Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; width: 100%; padding-bottom: 5px; margin-top: 25px;\"\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\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eFunction Type\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eON-OFF \/ ON-ON \/ (ON)-OFF \/ ON-(OFF) \/ ON-(ON)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eRated Voltage\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e30A 250VAC | 18(12)A 125VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eInitial Contact Resistance\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e≤50mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e≥100mΩ\/500VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e1500VAC\/5mA 60s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eElectrical Life\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e10,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f8f9fa;\"\u003eCertifications\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eUL, CE, VDE, RoHS, SGS, ISO9001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"margin-top: 10px; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"FILN Rocker Switch Certifications\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Product_Certification.webp?v=1774674312\"\u003e\u003c\/div\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; width: 100%; padding-bottom: 5px; margin-top: 25px;\"\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; font-weight: bold;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePart Name\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMaterial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eTransparent Sheet \/ Light Guide\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 \/ Up Base\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHigh-grade ABS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eBottom Base\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePA66 (Nylon)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePin \/ Spring Board\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eBrass H62\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eContact Material\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSilver Alloy (AgCdO12)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eLamp Component\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eIndustrial Grade LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; width: 100%; padding-bottom: 5px; margin-top: 25px;\"\u003eTechnical Specifications \u0026amp; Durability\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\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold;\"\u003eTest Item\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold;\"\u003eTest Conditions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold;\"\u003eRequirement\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;\"\u003e500VDC for 60±5S\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e≥100MΩ\u003c\/td\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 for 60s\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eNo damage, functional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWelding Heat Resistance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e260±5℃ for 3±1s\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eNo 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;\"\u003e60 operations\/min (No load)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e20,000 Cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; width: 100%; padding-bottom: 5px; margin-top: 25px;\"\u003eIndustrial \u0026amp; Commercial Applications\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppliances:\u003c\/strong\u003e Coffee machines, air fryers, and water dispensers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOffice Equipment:\u003c\/strong\u003e Printers, copiers, and PDU power management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Control:\u003c\/strong\u003e Distribution boxes, testing instruments, and factory machinery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedical Devices:\u003c\/strong\u003e Centrifuges and ultrasound diagnostic equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransportation:\u003c\/strong\u003e RV lighting, marine panels, and engineering vehicle controls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cimg style=\"max-width: 100%; height: auto; margin: 15px 0;\" alt=\"Rocker Switch Industry Applications\" 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\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; width: 100%; padding-bottom: 5px; margin-top: 25px;\"\u003eInstallation Guide\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003col\u003e\n\u003cli\u003eCreate a rectangular cutout on the panel (30x22mm).\u003c\/li\u003e\n\u003cli\u003eInsert the rocker switch through the top of the panel.\u003c\/li\u003e\n\u003cli\u003eApply pressure until the dual side clips snap securely into place.\u003c\/li\u003e\n\u003cli\u003eConnect the 4-pin terminals using standard female spade connectors.\u003c\/li\u003e\n\u003cli\u003eTest the rocker motion and LED status under load.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cimg style=\"max-width: 100%; height: auto; margin: 15px 0;\" alt=\"Step-by-Step Installation\" 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\u003ch2 style=\"color: #1a73e8; font-family: Arial, sans-serif;\"\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\u003chr\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\u003chr\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\u003chr\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\u003chr\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\u003c\/div\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; width: 100%; padding-bottom: 5px; margin-top: 25px;\"\u003eIndustry Knowledge: How Rocker Switches Work?\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cp\u003eRocker switches operate using a spring-loaded fulcrum mechanism. When the actuator is toggled, a moving contact (typically made of \u003cstrong\u003eSilver Alloy AgCdO12\u003c\/strong\u003e) pivots to bridge two stationary terminals. The \u003cstrong\u003erectangle-on-off-rocker-switch-30x22mm\u003c\/strong\u003e design is specifically optimized for high-current throughput, ensuring that the contacts do not weld together under significant electrical arcing. This makes them safer for motors and inductive loads in industrial systems compared to smaller toggle switches.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #eef4ff; padding: 20px; border-radius: 10px; margin-top: 30px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; width: 100%; padding-bottom: 5px;\"\u003eFactory Direct Supply\u003c\/h2\u003e\n\u003cp\u003eFILN is a premier manufacturer specializing in \u003cstrong\u003ekcd4-4-pin-rocker-switch-30a\u003c\/strong\u003e solutions. We offer:\u003c\/p\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli\u003e✅ No MOQ (Minimum Order Quantity)\u003c\/li\u003e\n\u003cli\u003e✅ Fast Lead Time \u0026amp; Global Shipping\u003c\/li\u003e\n\u003cli\u003e✅ Comprehensive Customization (Voltage, Wires, Connectors)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top: 15px;\"\u003e\u003ca style=\"background-color: #1a73e8; color: #fff; padding: 10px 20px; text-decoration: none; border-radius: 5px; font-weight: bold;\" href=\"mailto:inquiry@cnylin.com.cn\"\u003eREQUEST FREE SAMPLES\u003c\/a\u003e\u003c\/div\u003e\n\u003cp style=\"margin-top: 15px;\"\u003eFILN Official: \u003ca style=\"color: #1a73e8;\" href=\"https:\/\/www.filn.com\" target=\"_blank\"\u003ewww.filn.com\u003c\/a\u003e\u003cbr\u003eContact: \u003ca style=\"color: #1a73e8;\" href=\"mailto:inquiry@cnylin.com.cn\"\u003einquiry@cnylin.com.cn\u003c\/a\u003e\u003c\/p\u003e\n\u003cimg style=\"max-width: 100%; height: auto; margin-top: 15px;\" 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\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; width: 100%; padding-bottom: 5px; margin-top: 30px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e1. What is the difference between 4-pin and 2-pin rocker switches?\u003c\/strong\u003e\u003cbr\u003eA 4-pin switch is a Double Pole (DPST) design allowing simultaneous control of two lines (Hot and Neutral), whereas a 2-pin is Single Pole (SPST).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Can I use these rocker switches 12v for 220V AC?\u003c\/strong\u003e\u003cbr\u003eYes, the FL3-KCD4-030-21 is rated up to 30A 250VAC, making it extremely versatile for both DC and AC systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. How do I achieve an industrial-waterproof-rocker-switch-ip65 rating?\u003c\/strong\u003e\u003cbr\u003eBy installing the optional silicone waterproof cover over the rectangular actuator, the assembly reaches IP65 protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. What is the benefit of a red-led-rocker-switch-250vac?\u003c\/strong\u003e\u003cbr\u003eThe LED provides clear visual confirmation in dark environments, improving operator safety and equipment monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Is there a minimum order for custom boat-rocker-switch-replacement-kcd4?\u003c\/strong\u003e\u003cbr\u003eNo, FILN supports industrial clients with no MOQ, allowing for small-batch testing and replacement orders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. What mounting hole size is required?\u003c\/strong\u003e\u003cbr\u003eA standard 30x22mm cutout is needed for the KCD4 series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Are the contacts made of silver?\u003c\/strong\u003e\u003cbr\u003eYes, we use AgCdO12 silver contacts for superior conductivity and heat resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Does the switch handle high current?\u003c\/strong\u003e\u003cbr\u003eAbsolutely, it is rated for 30A, which is higher than typical 10A-16A consumer switches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e9. How long does the switch last?\u003c\/strong\u003e\u003cbr\u003eIt has an electrical life of at least 10,000 cycles and a mechanical life of 20,000 cycles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10. Does FILN provide custom wiring?\u003c\/strong\u003e\u003cbr\u003eYes, we provide \u003cstrong\u003efiln-custom-rocker-switch-factory\u003c\/strong\u003e services including pre-soldered wires and specific connectors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"30A KCD4 Rocker Switch","offers":[{"title":"ON-OFF \/ Red \/ 5-24V","offer_id":39612776742974,"sku":"FL3-KCD4-030-21-1-R-524V","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Red \/ 110-220V","offer_id":51571906576674,"sku":"FL3-KCD4-030-21-1-R-110220V","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Red \/ Customization (please note)","offer_id":51571906609442,"sku":"FL3-KCD4-030-21-1-R-C","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ 5-24V","offer_id":39612776775742,"sku":"FL3-KCD4-030-21-1-G-524V","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ 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110-220V","offer_id":51571906773282,"sku":"FL3-KCD4-030-21-1-B-110220V","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Blue \/ Customization (please note)","offer_id":51571906806050,"sku":"FL3-KCD4-030-21-1-B-C","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ White \/ 5-24V","offer_id":39612776874046,"sku":"FL3-KCD4-030-21-1-W-524V","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ White \/ 110-220V","offer_id":51571906838818,"sku":"FL3-KCD4-030-21-1-W-110220V","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ White \/ Customization (please note)","offer_id":51571906871586,"sku":"FL3-KCD4-030-21-1-W-C","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Black(No Light) \/ 5-24V","offer_id":39612776906814,"sku":"FL3-KCD4-030-21-1","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Black(No Light) \/ 110-220V","offer_id":51571906904354,"sku":"FL3-KCD4-030-21-1","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Black(No Light) \/ Customization (please note)","offer_id":51571906937122,"sku":"FL3-KCD4-030-21-1","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-ON \/ Red \/ 5-24V","offer_id":39612776939582,"sku":"FL3-KCD4-030-21-2-R-524V","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-ON \/ Red \/ 110-220V","offer_id":51571906969890,"sku":"FL3-KCD4-030-21-2-R-110220V","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-ON \/ Red \/ Customization (please note)","offer_id":51571907002658,"sku":"FL3-KCD4-030-21-2-R-C","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-ON \/ Green \/ 5-24V","offer_id":39612776972350,"sku":"FL3-KCD4-030-21-2-G-524V","price":1.7,"currency_code":"USD","in_stock":true},{"title":"ON-ON \/ Green \/ 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