{"product_id":"stainless-steel-lighted-rocker-switches","title":"Stainless Steel Lighted Rocker Switches 30x22mm 4-Pin KCD4 15A Current 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 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; margin: 0; padding-bottom: 5px;\"\u003eWhat are Lighted Rocker Switches?\u003c\/h2\u003e\n    \u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eLighted rocker switches\u003c\/strong\u003e are premium electrical control components featuring an integrated LED or neon lamp that provides visual status feedback. The \u003cstrong\u003eFL3-KCD4-0114-21\u003c\/strong\u003e series is distinguished by its unique \u003cstrong\u003estainless steel metal surface\u003c\/strong\u003e, combining industrial durability with a high-end aesthetic. These switches function as 4-pin Double Pole Single Throw (DPST) devices, allowing for the simultaneous control of both live and neutral lines, ensuring maximum safety in high-load applications like industrial machinery and commercial appliances.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; margin: 0; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n    \u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003c\/div\u003e\n    \u003cp\u003eThe FILN \u003cstrong\u003estainless steel face rocker switch\u003c\/strong\u003e is engineered for demanding environments where standard plastic actuators might fail or lack the desired finish. Certified by \u003cstrong\u003eISO9001, CE, VDE, RoHS, SGS, UL, and IP65\u003c\/strong\u003e, this switch offers unrivaled reliability. The \u003cstrong\u003e30x22mm mounting size\u003c\/strong\u003e is a global industrial standard (KCD4), making it an ideal drop-in replacement for existing panels. Its \u003cstrong\u003ewaterproof integrated housing\u003c\/strong\u003e (frameless design) prevents moisture ingress, while the black plastic button body remains easy to clean and maintain. Whether used in outdoor power equipment or sleek kitchen appliances, the \u003cstrong\u003eON-OFF 4-pin configuration\u003c\/strong\u003e provides a secure, snap-in installation and high-amperage switching capacity up to 30A.\u003c\/p\u003e\n\n    \u003cdiv style=\"margin: 30px 0; padding: 20px; border: 2px solid #28a745; border-radius: 8px; text-align: center;\"\u003e\n        \u003ca href=\"https:\/\/www.cnfiln.com\/collections\/rocker-switch\" target=\"_blank\" style=\"color: #28a745; font-weight: bold; text-decoration: none; font-size: 18px;\"\u003e\n            ➜ View All Premium Rocker Switch Collections\n        \u003c\/a\u003e\n    \u003c\/div\u003e\n\n    \u003ch2 style=\"color:#1a73e8;font-weight:700;display:inline-block;margin-bottom:2px;\"\u003eQuick Specifications\u003c\/h2\u003e\n    \u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003c\/div\u003e\n    \u003ctable style=\"width:100%;border-collapse:collapse;border:1px solid #ddd;font-size:14px;\"\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;background-color:#f8f9fa;width:50%;\"\u003eModel Number\u003c\/td\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;\"\u003eFL3-KCD4-0114-21\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;background-color:#f8f9fa;\"\u003eMounting Hole Size\u003c\/td\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;\"\u003e30mm x 22mm (1.18\" x 0.87\")\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;background-color:#f8f9fa;\"\u003eFunction\u003c\/td\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;\"\u003eON-OFF (DPST)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;background-color:#f8f9fa;\"\u003eLED Color Options\u003c\/td\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;\"\u003eRed (R), Green (G), Yellow (Y), Blue (B), White (W)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;background-color:#f8f9fa;\"\u003eActuator Material\u003c\/td\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;\"\u003eStainless Steel Surface \/ Black Plastic Body\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;background-color:#f8f9fa;\"\u003eConnection Type\u003c\/td\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;\"\u003e4-Pin Quick Connect Terminals (Spade)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;background-color:#f8f9fa;\"\u003eFrame Type\u003c\/td\u003e\n            \u003ctd style=\"border:1px solid #ddd;padding:8px;text-align:left;\"\u003eFrameless (Integrated Housing)\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/table\u003e\n\n    \u003ch2 style=\"color:#1a73e8;font-weight:700;display:inline-block;margin-bottom:2px;\"\u003ePerformance Parameters\u003c\/h2\u003e\n    \u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003c\/div\u003e\n    \u003ctable style=\"width:100%;border-collapse:collapse;border:1px solid #ddd;font-size:14px;\"\u003e\n        \u003cthead\u003e\n            \u003ctr style=\"background-color:#f1f3f4;\"\u003e\n                \u003cth style=\"border:1px solid #ddd;padding:8px;text-align:left;\"\u003eParameter Name\u003c\/th\u003e\n                \u003cth style=\"border:1px solid #ddd;padding:8px;text-align:left;\"\u003eTechnical Specification\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:8px;\"\u003eRated Voltage\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e30A 250VAC \/ 18(12)A 125VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eRated Current\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e30A Heavy Duty\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 Life\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e≥10,000 Cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eOperating Temperature\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 Rating\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eIP65 Waterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eUL, CE, VDE, RoHS, SGS, ISO9001\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\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Product_Certification.webp?v=1774674312\" alt=\"Product Certifications UL CE VDE RoHS\" style=\"max-width:100%; height:auto;\"\u003e\n    \u003c\/div\u003e\n\n    \u003ch2 style=\"color:#1a73e8;font-weight:700;display:inline-block;margin-bottom:2px;\"\u003eComponent Materials\u003c\/h2\u003e\n    \u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003c\/div\u003e\n    \u003ctable style=\"width:100%;border-collapse:collapse;border:1px solid #ddd;font-size:14px;\"\u003e\n        \u003ctr style=\"background-color:#f1f3f4;\"\u003e\n            \u003cth style=\"border:1px solid #ddd;padding:8px;\"\u003eAccessory Name\u003c\/th\u003e\n            \u003cth style=\"border:1px solid #ddd;padding:8px;\"\u003eMaterial\u003c\/th\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eTransparent Sheet\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003ePC\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eLight Guiding Part\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003ePC\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eButton Surface\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eUp\/Bottom Base\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003ePA66 \/ ABS\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eTerminals (Pin)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eH62 Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eContact Point\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eAgCdO12 (Silver Alloy)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eSeal\/Washer\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eRubber\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eInternal Lamp\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eHigh-Brightness LED\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n\n    \u003ch2 style=\"color:#1a73e8;font-weight:700;display:inline-block;margin-bottom:2px;\"\u003eGeneral Characteristics\u003c\/h2\u003e\n    \u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003c\/div\u003e\n    \u003ctable style=\"width:100%;border-collapse:collapse;border:1px solid #ddd;font-size:14px;\"\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eGeneral use range of KCD4 series rocker switches.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e-40℃ to +125℃\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e45% to 85% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eAir Pressure\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e86 to 106 Kpa\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n\n    \u003ch2 style=\"color:#1a73e8;font-weight:700;display:inline-block;margin-bottom:2px;\"\u003eTechnical Testing \u0026amp; Standards\u003c\/h2\u003e\n    \u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003c\/div\u003e\n    \u003ctable style=\"width:100%;border-collapse:collapse;border:1px solid #ddd;font-size:14px;\"\u003e\n        \u003ctr style=\"background-color:#f1f3f4;\"\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;\"\u003eTest Project\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;\"\u003eCondition \u0026amp; Requirement\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eContact Resistance\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eMeasured at 1 KHz; ≤50mΩ\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; No damage or fall-off.\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.\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 cycles\/min.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eThermostability\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e125±2℃ for 72 hours; Structure remains intact.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n\n    \u003ch2 style=\"color:#1a73e8;font-weight:700;display:inline-block;margin-bottom:2px;\"\u003eThe Difference Between Framed and Frameless Rocker Switches\u003c\/h2\u003e\n    \u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003c\/div\u003e\n    \u003cp\u003eFILN offers two distinct designs to meet varying industrial requirements: the \u003cstrong\u003eReinforced White Frame\u003c\/strong\u003e and the \u003cstrong\u003eClassic Standard Frameless\u003c\/strong\u003e (as featured on this model).\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eStandard Frameless Design (Integrated Housing):\u003c\/strong\u003e This model focuses on space efficiency and a modern, sleek look. By eliminating the external frame, it allows for tighter panel spacing in compact devices. The \u003cstrong\u003estainless steel surface\u003c\/strong\u003e provides the necessary structural rigidity, while the black plastic body ensures a flush, waterproof fit against the panel cutout.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eBenefits of the Stainless Steel Surface:\u003c\/strong\u003e Unlike standard plastic buttons, the stainless steel actuator is easy to clean, highly resistant to chemical corrosion, and maintains a premium \"high-tech\" appearance even after years of use in commercial kitchens or medical labs.\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=\"High Quality Waterproof Rocker Switch Comparison\" style=\"width:100%; height:auto; margin: 20px 0;\"\u003e\n\n    \u003ch2 style=\"color:#1a73e8;font-weight:700;display:inline-block;margin-bottom:2px;\"\u003eIndustrial \u0026amp; Commercial Applications\u003c\/h2\u003e\n    \u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003c\/div\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eKitchen Appliances:\u003c\/strong\u003e Coffee machines, fryers, and ovens requiring 30A high-current capacity.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eOffice Equipment:\u003c\/strong\u003e Power strips (PDU), printers, and shredders.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIndustrial Control:\u003c\/strong\u003e Distribution boxes, testing instruments, and packaging machinery.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMarine \u0026amp; Automotive:\u003c\/strong\u003e RV lighting, boat instrument panels (IP65 waterproof rating).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMedical Gear:\u003c\/strong\u003e Centrifuges and diagnostic instruments.\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 Rocker Switches\" style=\"width:100%; height:auto; margin: 20px 0;\"\u003e\n\n    \u003ch2 style=\"color:#1a73e8;font-weight:700;display:inline-block;margin-bottom:2px;\"\u003eInstallation Guide\u003c\/h2\u003e\n    \u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003c\/div\u003e\n    \u003col\u003e\n        \u003cli\u003eMeasure and cut a \u003cstrong\u003e30mm x 22mm\u003c\/strong\u003e rectangular hole in the mounting panel.\u003c\/li\u003e\n        \u003cli\u003eInsert the rocker switch from the front of the panel.\u003c\/li\u003e\n        \u003cli\u003eEnsure the side \u003cstrong\u003eretaining clips (snap-in)\u003c\/strong\u003e click firmly into place, securing the switch.\u003c\/li\u003e\n        \u003cli\u003eConnect the 4-pin wiring terminals using 6.3mm female spade connectors as per the wiring diagram.\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=\"Rocker Switch Installation Steps\" style=\"width:100%; height:auto; margin: 20px 0;\"\u003e\n\n    \u003ch2 style=\"color:#1a73e8;font-weight:700;display:inline-block;margin-bottom:2px;\"\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\n    \u003ch2 style=\"color:#1a73e8;font-weight:700;display:inline-block;margin-bottom:2px;\"\u003eIndustry Knowledge: How Rocker Switches Work\u003c\/h2\u003e\n    \u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003c\/div\u003e\n    \u003cp\u003eA \u003cstrong\u003erocker switch\u003c\/strong\u003e functions through a seesaw mechanism. When one side is pressed, the internal contact arm \"rocks\" to bridge two metal terminals, completing the circuit. In \u003cstrong\u003e4-pin DPST (Double Pole Single Throw)\u003c\/strong\u003e configurations, the switch controls two separate lines (typically hot and neutral) simultaneously, which is a critical safety requirement for high-wattage 220V appliances. The \u003cstrong\u003estainless steel face\u003c\/strong\u003e used in the FILN FL3 series serves as a protective shield against physical impact and provides superior heat dissipation compared to all-plastic designs.\u003c\/p\u003e\n\n    \u003cdiv style=\"background-color: #eef4ff; padding: 25px; margin: 40px 0; border-radius: 10px;\"\u003e\n        \u003ch2 style=\"color:#1a73e8;font-weight:700;display:inline-block;margin-bottom:2px;\"\u003eFILN Factory Direct Supply\u003c\/h2\u003e\n        \u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003c\/div\u003e\n        \u003cp\u003eAs an original manufacturer, FILN provides high-performance switching solutions with \u003cstrong\u003eNo Minimum Order Quantity (MOQ)\u003c\/strong\u003e and rapid global lead times.\u003c\/p\u003e\n        \u003cul style=\"list-style: none; padding-left: 0;\"\u003e\n            \u003cli\u003e✅ \u003cstrong\u003eVoltage Customization:\u003c\/strong\u003e 5V, 12V, 24V, 110V, 220V Options.\u003c\/li\u003e\n            \u003cli\u003e✅ \u003cstrong\u003eWire Customization:\u003c\/strong\u003e Custom lengths and terminal connectors available.\u003c\/li\u003e\n            \u003cli\u003e✅ \u003cstrong\u003eFast Shipping:\u003c\/strong\u003e Direct from factory to your facility.\u003c\/li\u003e\n        \u003c\/ul\u003e\n        \u003cdiv style=\"margin-top: 20px;\"\u003e\n            \u003ca href=\"mailto:inquiry@cnylin.com.cn\" style=\"background-color: #1a73e8; color: white; padding: 10px 20px; text-decoration: none; border-radius: 5px; font-weight: bold;\"\u003eRequest Free Samples\u003c\/a\u003e\n        \u003c\/div\u003e\n        \u003cp style=\"margin-top:20px;\"\u003e\n            \u003cstrong\u003eOfficial Website:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.filn.com\" target=\"_blank\" style=\"color:#1a73e8;\"\u003ewww.filn.com\u003c\/a\u003e\u003cbr\u003e\n            \u003cstrong\u003eContact Us:\u003c\/strong\u003e \u003ca href=\"mailto:inquiry@cnylin.com.cn\" style=\"color:#1a73e8;\"\u003einquiry@cnylin.com.cn\u003c\/a\u003e\n        \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 Overview\" style=\"width:100%; height:auto; border-radius: 5px; margin-top: 15px;\"\u003e\n    \u003c\/div\u003e\n\n    \u003ch2 style=\"color:#1a73e8;font-weight:700;display:inline-block;margin-bottom:2px;\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n    \u003cdiv style=\"border-bottom: 2px solid #1a73e8; margin-bottom: 20px;\"\u003e\u003c\/div\u003e\n    \n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n        \u003cstrong\u003e1. What is a 4-pin lighted rocker switch used for?\u003c\/strong\u003e\n        \u003cp\u003eIt is used to control high-current devices while providing a visual indicator. The 4-pin design allows it to cut both lines (Phase\/Neutral) for safety.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n        \u003cstrong\u003e2. Is the 30x22mm size standard for KCD4 switches?\u003c\/strong\u003e\n        \u003cp\u003eYes, 30x22mm is the industry standard for large rectangular \"KCD4\" rocker switches used in power strips and machinery.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n        \u003cstrong\u003e3. Can I use a 220V lighted switch on a 12V circuit?\u003c\/strong\u003e\n        \u003cp\u003eThe switch will work, but the internal light will not illuminate. You must match the LED voltage to your power source[cite: 126].\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n        \u003cstrong\u003e4. What does \"Stainless Steel Surface\" mean?\u003c\/strong\u003e\n        \u003cp\u003eIt means the top part of the button has a metal plate for better wear resistance and a high-end aesthetic finish.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n        \u003cstrong\u003e5. Is this rocker switch waterproof?\u003c\/strong\u003e\n        \u003cp\u003eYes, this model features an IP65 rated integrated design, making it suitable for damp and outdoor environments.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n        \u003cstrong\u003e6. How do I install a snap-in rocker switch?\u003c\/strong\u003e\n        \u003cp\u003ePush the switch into a pre-cut 30x22mm hole; the integrated side clips will automatically lock it into the panel.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n        \u003cstrong\u003e7. Does FILN provide custom wiring harnesses?\u003c\/strong\u003e\n        \u003cp\u003eYes, we can provide switches with pre-soldered wires and specific connectors (like XH or Spade) to save your assembly time.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n        \u003cstrong\u003e8. What is the difference between silver and copper contacts?\u003c\/strong\u003e\n        \u003cp\u003eFILN uses silver alloy contacts (AgCdO12) which have better conductivity and longer electrical life than pure copper.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n        \u003cstrong\u003e9. Can this switch handle 30 Amps?\u003c\/strong\u003e\n        \u003cp\u003eYes, this heavy-duty KCD4 model is rated for up to 30A 250VAC, making it suitable for industrial heaters and motors.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n        \u003cstrong\u003e10. Does this product have UL certification?\u003c\/strong\u003e\n        \u003cp\u003eYes, all FILN industrial rocker switches are UL, CE, and RoHS certified for international trade and safety compliance.\u003c\/p\u003e\n    \u003c\/div\u003e\n\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 a 4-pin lighted rocker switch used for?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"It is used for controlling heavy loads (up to 30A) while providing visual feedback. The 4-pin DPST configuration allows for safer disconnection of both electrical lines.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How do you wire a 4-pin rocker switch with a light?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Connect the power source to the input pins and the device to the output pins. For the light to turn on with the device, use the dependent illumination wiring configuration.\"\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":39612746432574,"sku":"FL3-KCD4-0114-21-1-R-524V","price":2.88,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Red \/ 110-220V","offer_id":39612746465342,"sku":"FL3-KCD4-0114-21-1-R-110220V","price":2.88,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Red \/ Customization (please note)","offer_id":39612746498110,"sku":"FL3-KCD4-0114-21-1-R-C","price":2.88,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ 5-24V","offer_id":51575529668898,"sku":"FL3-KCD4-0114-21-1-G-524V","price":2.88,"currency_code":"USD","in_stock":true},{"title":"ON-OFF \/ Green \/ 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