{"product_id":"momentary-push-button-switch-4pin-led","title":"Momentary Push Button Switch 19mm Ultra-thin Switch IP67 Waterproof 4-Pin LED Stainless Steel | FILN","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 10px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; width: 100%;\"\u003e\n\u003cspan\u003eButton Switch Drawing\u003c\/span\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/FLM19-FJ-4-E_Drawing.webp?v=1776305123\"\u003ePRODUCT OVERVIEW\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 15px; margin-bottom: 30px;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003emomentary push button switches\u003c\/strong\u003e (Model: FLM19-FJ-4-E) are high-precision industrial components featuring a \u003cstrong\u003e19mm mounting hole\u003c\/strong\u003e and an \u003cstrong\u003eultra-thin 4-pin\u003c\/strong\u003e structure. Manufactured by \u003cstrong\u003eFILN\u003c\/strong\u003e, these switches are designed for \u003cstrong\u003enarrow space installations\u003c\/strong\u003e where compact reliability is paramount. With an upgraded \u003cstrong\u003eIP67 waterproof rating\u003c\/strong\u003e and certifications including \u003cstrong\u003eISO9001, CE, VDE, RoHS, SGS, UL\u003c\/strong\u003e, they are ideal for \u003cstrong\u003eindustrial control panels\u003c\/strong\u003e, CNC machinery, and medical devices. The switch features a \u003cstrong\u003emomentary (self-resetting)\u003c\/strong\u003e 1NO function with a short \u003cstrong\u003e0.5mm stroke\u003c\/strong\u003e and a 6N operating force, providing a distinct tactile response. Available in \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e, nickel-plated brass, or black anodized aluminum, these switches ensure long-lasting performance in demanding environments.\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%;\"\u003eQUICK SPECIFICATIONS\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 15px; margin-bottom: 30px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; width: 50%; background-color: #f9f9f9; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; width: 50%;\"\u003eFLM19-F\/HJ-4 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f9f9f9; font-weight: bold;\"\u003eMounting Diameter\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e19mm (0.75 inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f9f9f9; font-weight: bold;\"\u003eSwitch Function\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eMomentary (1NO \/ Self-resetting)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f9f9f9; font-weight: bold;\"\u003eLED Color Options\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eRed, Yellow, Blue, Green, White (Single Color)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f9f9f9; font-weight: bold;\"\u003eTerminal Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e4-Pin Solder Pin (Ultra-thin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f9f9f9; font-weight: bold;\"\u003eSwitch Stroke \/ Force\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e0.5mm \/ 6N Operating Force\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%;\"\u003eELECTRICAL PERFORMANCE\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 15px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f9f9f9; font-weight: bold;\"\u003eRated Electrical Parameters\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eAC 12V \/ 50mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f9f9f9; font-weight: bold;\"\u003eContact Resistance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e≤ 50mΩ (Initial)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f9f9f9; font-weight: bold;\"\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e≥ 1000MΩ (at 500VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f9f9f9; font-weight: bold;\"\u003eDielectric Strength (Terminal-Terminal)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e1500V AC, 5mA, 60S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f9f9f9; font-weight: bold;\"\u003eDielectric Strength (Terminal-Shell)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e1800V AC, 5mA, 60S (No breakdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f9f9f9; font-weight: bold;\"\u003eLED Voltage\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e3V - 220V (12-24V \/ 110-220V Customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"FILN Product 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%;\"\u003eCOMPONENT MATERIALS\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 15px; margin-bottom: 30px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9; font-weight: bold;\"\u003eSwitch Actuator\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e304 Stainless Steel \/ Aluminum Alloy \/ PC Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9; font-weight: bold;\"\u003eSleeve \/ Housing\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e304 Stainless Steel \/ Nickel-plated Brass \/ Black Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9; font-weight: bold;\"\u003eButton Pins\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eH62 Copper Alloy (Silver Plated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9; font-weight: bold;\"\u003eBase Material\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePA66+GF20% Flame Retardant Nylon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9; font-weight: bold;\"\u003eContacts\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; background-color: #f9f9f9; font-weight: bold;\"\u003eWaterproof Seal\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSilicone (SIL)\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%;\"\u003eENVIRONMENTAL \u0026amp; LIFE CYCLE\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 15px; margin-bottom: 30px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9; font-weight: bold;\"\u003eOperating \/ Storage Temp\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e-25°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9; font-weight: bold;\"\u003eProtection Level\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eIP67 Waterproof \/ IK08 Impact Resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9; font-weight: bold;\"\u003eMechanical Life\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e100,000 Cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9; font-weight: bold;\"\u003eElectrical Life\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e50,000 Cycles (at AC 12V\/50mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; background-color: #f9f9f9; font-weight: bold;\"\u003eNut Torque\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e5 - 10 N.m\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%;\"\u003eKEY FEATURES \u0026amp; BENEFITS\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 15px; margin-bottom: 30px;\"\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgraded IP67 Protection:\u003c\/strong\u003e Enhanced sealing ensures the switch remains operational even under temporary immersion in water, far exceeding standard IP40\/IP65 ratings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Thin Panel Solution:\u003c\/strong\u003e Designed specifically for space-constrained control panels. Its short body and 4-pin configuration maximize rear-panel clearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Precision Feedback:\u003c\/strong\u003e With a \u003cstrong\u003e0.5mm stroke\u003c\/strong\u003e and \u003cstrong\u003e6N operating force\u003c\/strong\u003e, it provides an immediate and precise tactile signal for industrial automation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Material Selection:\u003c\/strong\u003e Choose from \u003cstrong\u003e304 Stainless Steel\u003c\/strong\u003e for food\/medical grade hygiene, or \u003cstrong\u003eBlack Anodized Aluminum\u003c\/strong\u003e for a sleek, industrial look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Electrical Safety:\u003c\/strong\u003e Tested for dielectric strength up to \u003cstrong\u003e1800V AC\u003c\/strong\u003e, ensuring safety against voltage spikes in industrial circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin-top: 15px;\"\u003e\u003ca style=\"color: #1a73e8; text-decoration: underline;\" href=\"https:\/\/www.cnfiln.com\/collections\/push-button-switch\" target=\"_blank\"\u003eShop Entire FILN Push Button Switch Collection\u003c\/a\u003e\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%;\"\u003eLED COLOR SPECIFICATIONS\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 15px; margin-bottom: 30px;\"\u003e\n\u003cp\u003eOur single-color LED rings provide critical visual communication for industrial operators:\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"color: red; font-weight: bold;\"\u003eRED:\u003c\/span\u003e Stop \/ Error \/ Emergency Warning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #d4af37; font-weight: bold;\"\u003eYELLOW:\u003c\/span\u003e Standby \/ Caution \/ Heat Cycle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: blue; font-weight: bold;\"\u003eBLUE:\u003c\/span\u003e Information \/ System Ready \/ Reset.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: green; font-weight: bold;\"\u003eGREEN:\u003c\/span\u003e Start \/ Safe Operation \/ Running.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #555; font-weight: bold;\"\u003eWHITE:\u003c\/span\u003e Power Supply Active \/ General Illumination.\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%;\"\u003ePIN VS. SCREW VS. PRE-WIRED\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-size: 14px; margin-top: 15px; margin-bottom: 30px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eTerminal Type\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eBest Use Case\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eLifespan \u0026amp; Reliability\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold;\"\u003e4-Pin Solder (This Model)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eUltra-compact panels; PCB integration.\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHigh (Stable permanent connection).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold;\"\u003eScrew Terminal\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eField maintenance; no special tools.\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMedium (Screws may loosen over time).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold;\"\u003ePre-Wired \/ Connector\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMass production; rapid assembly.\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eVery High (Factory sealed).\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%;\"\u003eAPPLICATIONS\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 15px; margin-bottom: 30px;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eip67 waterproof metal push button\u003c\/strong\u003e is designed for versatility across multiple sectors:\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial:\u003c\/strong\u003e PLC Control Panels, CNC Lathes, Automation Hubs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInfrastructure:\u003c\/strong\u003e Public kiosks, Elevators, Outdoor Security.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine:\u003c\/strong\u003e Boat dashboards, Winch controls, Navigation systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedical:\u003c\/strong\u003e Lab equipment, Sterilizers, Diagnostic devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center; margin-top: 15px;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"FILN Push Button Industries\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Application_Industries_of_FILN_Push_Button_Switches.webp?v=1776044180\"\u003e\u003c\/div\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%;\"\u003eINSTALLATION GUIDE\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 15px; margin-bottom: 30px;\"\u003e\n\u003col style=\"padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanel Cut-out:\u003c\/strong\u003e Create a 19mm circular opening on your panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch Placement:\u003c\/strong\u003e Insert the metal button from the front of the panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Order:\u003c\/strong\u003e Slide the rubber seal onto the button from the back, followed by the metal nut.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTightening:\u003c\/strong\u003e Tighten the hex nut (Torque 5-10 N.m) to ensure the \u003cstrong\u003ewaterproof seal\u003c\/strong\u003e is compressed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Solder wires to the 4 pins or use a dedicated FILN wiring harness.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv style=\"text-align: center; margin-top: 15px;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"Switch Installation Steps\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/push_button_switch_installation_steps.webp?v=1775800123\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family: sans-serif; line-height: 1.4; color: #333; width: 100%; margin: 0 auto; padding: 0;\"\u003e\n\u003ch2 style=\"color: #1a73e8; border-bottom: 2px solid #1a73e8; padding-bottom: 5px; margin: 0 0 10px 0; font-size: 1.5em;\"\u003e4 Pin Push Button Switch Wiring Diagram\u003c\/h2\u003e\n\u003cp style=\"margin: 0 0 10px 0;\"\u003eA 4-PIN switch consists of two parts: \u003cb\u003eSwitch Contacts\u003c\/b\u003e (to control the device) and \u003cb\u003eLED Terminals\u003c\/b\u003e (marked with + and -). Below are two ways to wire the LED indicator.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f9f9f9; padding: 10px 15px; border-left: 4px solid #3498db; margin: 10px 0;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cb\u003eHorizontal Pins:\u003c\/b\u003e The switch mechanism (Power In \/ Load Out).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVertical Pins (+ \/ -):\u003c\/b\u003e The LED indicator light terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #2980b9; margin: 15px 0 5px 0; font-size: 1.2em;\"\u003eMethod 1: LED Synchronized with Device (On when Active)\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 8px 0;\"\u003e\u003cb\u003eLogic:\u003c\/b\u003e The button light only turns \u003cb\u003eON\u003c\/b\u003e when the device is running. It serves as a \"Status Indicator.\"\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 10px 0; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cb\u003eWiring:\u003c\/b\u003e Connect LED (+) to the \u003cb\u003eOutput\u003c\/b\u003e side of the switch. LED (-) to Power Negative.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Power start buttons, car fog lights, industrial machinery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBenefit:\u003c\/b\u003e Saves power; provides visual feedback that the system is active.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center; margin: 10px 0;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Wiring_for_Push_Button_Switch_4PIN_NO_Connection.webp?v=1775805178\" alt=\"4PIN LED Sync Wiring\" style=\"width: 100%; height: auto; display: block;\"\u003e\n\u003cp style=\"color: #777; font-size: 0.8em; margin: 5px 0;\"\u003e\u003ci\u003eFigure 1: LED turns ON only when button is pressed\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #eee; margin: 15px 0;\"\u003e\n\u003ch3 style=\"color: #2980b9; margin: 15px 0 5px 0; font-size: 1.2em;\"\u003eMethod 2: LED Always ON (Backlight Mode)\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 8px 0;\"\u003e\u003cb\u003eLogic:\u003c\/b\u003e The button light stays \u003cb\u003eON\u003c\/b\u003e constantly as long as there is power, regardless of the button position.\u003c\/p\u003e\n\u003cul style=\"margin: 0 0 10px 0; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cb\u003eWiring:\u003c\/b\u003e Connect LED (+) directly to the \u003cb\u003ePower Positive\u003c\/b\u003e. LED (-) to Power Negative.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Dark environments, hallway switches, standby power indicators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBenefit:\u003c\/b\u003e Allows you to find the switch easily in total darkness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center; margin: 10px 0;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/Wiring_for_Push_Button_Switch_4PIN.webp?v=1775805177\" alt=\"4PIN LED Always On Wiring\" style=\"width: 100%; height: auto; display: block;\"\u003e\n\u003cp style=\"color: #777; font-size: 0.8em; margin: 5px 0;\"\u003e\u003ci\u003eFigure 2: LED stays ON constantly (Backlight)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px; font-size: 13px; border: 1px solid #ddd;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eMode\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eLED Status (Idle)\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eLED Status (Pressed)\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;\"\u003e\u003cb\u003eSync (Status)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eOFF\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eAlways ON (Backlight)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eON\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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%;\"\u003eINDUSTRY KNOWLEDGE\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 15px; margin-bottom: 30px;\"\u003e\n\u003ch3\u003eUnderstanding Momentary 1NO Function\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003emomentary push button switch\u003c\/strong\u003e with 1NO (Normally Open) logic is the \"active-only\" workhorse of the industry. The circuit is open by default. Upon pressing, the contacts close and trigger the signal. Because of the \u003cstrong\u003eultra-thin\u003c\/strong\u003e design, this model is preferred for space-constrained HMI (Human Machine Interface) designs where every millimeter counts.\u003c\/p\u003e\n\u003ch3\u003eLatching vs. Momentary Comparison\u003c\/h3\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: #f2f2f2;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSwitch Action\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMechanical Behavior\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold;\"\u003eMomentary (This Model)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSprings back instantly.\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eStart switches, signaling, doorbells.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold;\"\u003eLatching\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eStays depressed until pressed again.\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMaster power controls, light switches.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #e8f0fe; padding: 25px; margin-top: 30px; border-radius: 8px;\"\u003e\n\u003ch2 style=\"color: #1a73e8; font-weight: bold; display: inline-block; margin-bottom: 2px; border-bottom: 2px solid #1a73e8; width: 100%;\"\u003eFACTORY DIRECT SUPPLY - FILN\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; margin-top: 15px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 300px;\"\u003e\n\u003cul style=\"list-style-type: none; padding-left: 0;\"\u003e\n\u003cli\u003e✅ \u003cstrong\u003eZero MOQ:\u003c\/strong\u003e Support for prototyping and small batches.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eGlobal Compliance:\u003c\/strong\u003e CE, UL, RoHS, and ISO9001 certified.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFast Shipping:\u003c\/strong\u003e Optimized logistics for worldwide delivery.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCustomization:\u003c\/strong\u003e Voltage, wire harness, and materials tailored to you.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top: 20px;\"\u003e\u003ca style=\"background-color: #1a73e8; color: white; padding: 12px 24px; text-decoration: none; font-weight: bold; border-radius: 5px;\" href=\"mailto:inquiry@cnylin.com.cn\"\u003eREQUEST FREE SAMPLE\u003c\/a\u003e\u003c\/div\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003eOfficial Site:\u003c\/strong\u003e \u003ca style=\"color: #1a73e8;\" href=\"https:\/\/www.filn.com\" target=\"_blank\"\u003ewww.filn.com\u003c\/a\u003e\u003cbr\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e \u003ca style=\"color: #1a73e8;\" href=\"mailto:inquiry@cnylin.com.cn\"\u003einquiry@cnylin.com.cn\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 300px; text-align: right;\"\u003e\u003cimg style=\"max-width: 100%; height: auto; border-radius: 5px;\" alt=\"FILN Factory Facility\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/About_FILN.webp?v=1774851338\"\u003e\u003c\/div\u003e\n\u003c\/div\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%;\"\u003eFREQUENTLY ASKED QUESTIONS\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e1. Does this 19mm momentary switch support 220V?\u003c\/strong\u003e\u003cbr\u003eYes, while the rating is AC12V\/50mA for standard signaling, the dielectric strength supports up to 1800V, and we offer 220V LED versions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. What is the difference between IP65 and this IP67 version?\u003c\/strong\u003e\u003cbr\u003eIP65 is protected against water jets, while IP67 allows the switch to withstand temporary submersion, making it superior for heavy-washdown or outdoor use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Is the 4-pin design compatible with standard wire connectors?\u003c\/strong\u003e\u003cbr\u003eYes, the pins are designed for 2.8mm solder terminals or direct soldering for a compact footprint.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Can I customize the black anodized color?\u003c\/strong\u003e\u003cbr\u003eYes, FILN offers stainless steel, black aluminum, and nickel-plated brass finishes to match your equipment's aesthetic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. What is the mechanical lifespan of the 19mm metal button?\u003c\/strong\u003e\u003cbr\u003eIt is rated for 100,000 mechanical cycles, ensuring decades of reliable use in standard industrial applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Does the ring light require a resistor?\u003c\/strong\u003e\u003cbr\u003eOur LEDs come with built-in metal film resistors for your specified voltage (12V, 24V, 110V, etc.), so you can wire them directly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. How thick of a panel can I mount this on?\u003c\/strong\u003e\u003cbr\u003eThe 19mm threaded body typically accommodates panel thicknesses up to 10-12mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Is this switch 1NO or 1NC?\u003c\/strong\u003e\u003cbr\u003eThe standard FLM19-FJ series is a 1NO (Normally Open) momentary switch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e9. Can you provide a pre-wired harness for this 4-pin switch?\u003c\/strong\u003e\u003cbr\u003eYes, as a factory, we can supply any length of wire with custom connectors attached to the pins.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10. Is there a warranty for these buttons?\u003c\/strong\u003e\u003cbr\u003eYes, all FILN products are covered under a standard industrial warranty against manufacturing defects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"19MM Push Button Switch","offers":[{"title":"Silver Housing-Momentary \/ Red \/ 12-24V","offer_id":51539307528482,"sku":"FLM19-FJ-4-E-M-R-1224V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ Red \/ 110-220V","offer_id":51539307561250,"sku":"FLM19-FJ-4-E-M-R-110220V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ Red \/ Customization (please note)","offer_id":51539307594018,"sku":"FLM19-FJ-4-E-M-R-C","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ Green \/ 12-24V","offer_id":51539307626786,"sku":"FLM19-FJ-4-E-M-G-1224V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ Green \/ 110-220V","offer_id":51539307659554,"sku":"FLM19-FJ-4-E-M-G-110220V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ Green \/ Customization (please note)","offer_id":51539307692322,"sku":"FLM19-FJ-4-E-M-G-C","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ Yellow \/ 12-24V","offer_id":51539307725090,"sku":"FLM19-FJ-4-E-M-Y-1224V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ Yellow \/ 110-220V","offer_id":51539307757858,"sku":"FLM19-FJ-4-E-M-Y-110220V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ Yellow \/ Customization (please note)","offer_id":51539307790626,"sku":"FLM19-FJ-4-E-M-Y-C","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ Blue \/ 12-24V","offer_id":51539307823394,"sku":"FLM19-FJ-4-E-M-B-1224V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ Blue \/ 110-220V","offer_id":51539307856162,"sku":"FLM19-FJ-4-E-M-B-110220V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ Blue \/ Customization (please note)","offer_id":51539307888930,"sku":"FLM19-FJ-4-E-M-B-C","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ White \/ 12-24V","offer_id":51539307921698,"sku":"FLM19-FJ-4-E-M-W-1224V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ White \/ 110-220V","offer_id":51539307954466,"sku":"FLM19-FJ-4-E-M-W-110220V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Silver Housing-Momentary \/ White \/ Customization (please note)","offer_id":51539307987234,"sku":"FLM19-FJ-4-E-M-W-C","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ Red \/ 12-24V","offer_id":51539557351714,"sku":"FLA19-FJ-4-E-M-R-1224V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ Red \/ 110-220V","offer_id":51539557384482,"sku":"FLA19-FJ-4-E-M-R-110220V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ Red \/ Customization (please note)","offer_id":51539557417250,"sku":"FLA19-FJ-4-E-M-R-C","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ Green \/ 12-24V","offer_id":51539557450018,"sku":"FLA19-FJ-4-E-M-G-1224V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ Green \/ 110-220V","offer_id":51539557482786,"sku":"FLA19-FJ-4-E-M-G-110220V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ Green \/ Customization (please note)","offer_id":51539557515554,"sku":"FLA19-FJ-4-E-M-G-C","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ Yellow \/ 12-24V","offer_id":51539557548322,"sku":"FLA19-FJ-4-E-M-Y-1224V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ Yellow \/ 110-220V","offer_id":51539557581090,"sku":"FLA19-FJ-4-E-M-Y-110220V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ Yellow \/ Customization (please note)","offer_id":51539557613858,"sku":"FLA19-FJ-4-E-M-Y-C","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ Blue \/ 12-24V","offer_id":51539557646626,"sku":"FLA19-FJ-4-E-M-B-1224V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ Blue \/ 110-220V","offer_id":51539557679394,"sku":"FLA19-FJ-4-E-M-B-110220V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ Blue \/ Customization (please note)","offer_id":51539557712162,"sku":"FLA19-FJ-4-E-M-B-C","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ White \/ 12-24V","offer_id":51539557744930,"sku":"FLA19-FJ-4-E-M-W-1224V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ White \/ 110-220V","offer_id":51539557777698,"sku":"FLA19-FJ-4-E-M-W-110220V","price":3.66,"currency_code":"USD","in_stock":true},{"title":"Black Housing-Momentary \/ White \/ Customization (please note)","offer_id":51539557810466,"sku":"FLA19-FJ-4-E-M-W-C","price":3.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/7420\/0638\/files\/momentary-push-button-switches.webp?v=1776305510","url":"https:\/\/www.cnfiln.com\/products\/momentary-push-button-switch-4pin-led","provider":"FILN Shopify","version":"1.0","type":"link"}