{"product_id":"black-rocker-switch-on-off-on-3-pin-21x15mm-spdt-kcd1","title":"Black 3-Pin Rocker Switch ON-OFF-ON SPDT 21X15mm (0.8\" x 0.6\") KCD1 6A\/250VAC 10A\/125VAC","description":"\u003cdiv style=\"background: #fff3cd; border: 2px solid #ffc107; border-radius: 6px; padding: 15px; margin-bottom: 10px; text-align: center;\"\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ PLEASE CHECK SIZE AND PANEL CUTOUT BEFORE ORDERING\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis switch measures \u003cstrong\u003e21 × 15 mm (0.8\" × 0.6\")\u003c\/strong\u003e. It requires a \u003cstrong\u003e19.2 × 13.2 mm (0.76\" × 0.52\") panel cutout\u003c\/strong\u003e. Please review the dimensional drawing in the photo gallery to confirm it fits your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003e📋 Overview\u003c\/h2\u003e\n\u003cp\u003eNeed a reliable three-position switch for direction control, mode selection, or circuit routing? The \u003cstrong\u003eKCD1 SPDT Rocker Switch\u003c\/strong\u003e gives you \u003cstrong\u003eON\/OFF\/ON\u003c\/strong\u003e three-position switching with \u003cstrong\u003ethree terminals\u003c\/strong\u003e in a standard 21 × 15 mm panel-mount package — rated at \u003cstrong\u003e10A at 125VAC\u003c\/strong\u003e and \u003cstrong\u003e6A at 250VAC\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe SPDT (Single Pole, Double Throw) design connects one common terminal to either of two output terminals, with a center OFF position. This makes it ideal for motor direction control (forward\/off\/reverse), selecting between two circuits, or any application that needs three distinct switching states. The snap-in mounting tabs hold the switch securely in a standard rectangular panel cutout with no hardware needed.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🔧 How It Works\u003c\/h2\u003e\n\u003cp\u003eThis is a \u003cstrong\u003eSingle Pole, Double Throw (SPDT)\u003c\/strong\u003e switch with three positions:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eRocker Position\u003c\/th\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003cth\u003eTypical Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRocker UP (Position I)\u003c\/td\u003e\n\u003ctd\u003eCommon (Pin 2) connects to Pin 1\u003c\/td\u003e\n\u003ctd\u003eCircuit A ON \/ Forward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRocker CENTER (Position O)\u003c\/td\u003e\n\u003ctd\u003eCommon (Pin 2) disconnected from both\u003c\/td\u003e\n\u003ctd\u003eOFF — no connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRocker DOWN (Position II)\u003c\/td\u003e\n\u003ctd\u003eCommon (Pin 2) connects to Pin 3\u003c\/td\u003e\n\u003ctd\u003eCircuit B ON \/ Reverse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe center pin (Pin 2) is the \u003cstrong\u003ecommon terminal\u003c\/strong\u003e. In the UP position, it connects to Pin 1. In the DOWN position, it connects to Pin 3. In the CENTER position, the common is disconnected from both — all circuits are off.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⭐ Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-Position Switching:\u003c\/strong\u003e ON\/OFF\/ON with center-off for full control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPDT Configuration:\u003c\/strong\u003e 3-pin Single Pole, Double Throw — one common, two outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Current Rating:\u003c\/strong\u003e 10A at 125VAC \/ 6A at 250VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnap-In Panel Mount:\u003c\/strong\u003e Spring tabs lock into a rectangular cutout — no screws or nuts needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard KCD1 Size:\u003c\/strong\u003e 21 × 15 mm (0.83\" × 0.59\") — a widely used form factor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Plastic housing with metal contact terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolder Terminals:\u003c\/strong\u003e Flat blade pins for easy soldering or push-on connectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📊 Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitch Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSPDT (Single Pole, Double Throw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePositions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eON – OFF – ON (3-position, center off)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Pins\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10A at 125VAC \/ 6A at 250VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKCD1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSnap-in panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePanel Cutout\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 19.2 × 13.2 mm (0.76\" × 0.52\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 21 × 15 × 25 mm (0.83 × 0.59 × 0.98 inches) L × W × H (including pins)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic housing, metal contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlat blade solder pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e📌 Pinout\u003c\/h2\u003e\n\u003cp\u003eThe switch has three flat blade terminals on the back, arranged in a vertical row:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 1 (Top)\u003c\/td\u003e\n\u003ctd\u003eOutput A\u003c\/td\u003e\n\u003ctd\u003eConnected to Common when rocker is in the UP position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 2 (Center)\u003c\/td\u003e\n\u003ctd\u003eCommon\u003c\/td\u003e\n\u003ctd\u003eThe shared terminal — always connect your input\/source here\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 3 (Bottom)\u003c\/td\u003e\n\u003ctd\u003eOutput B\u003c\/td\u003e\n\u003ctd\u003eConnected to Common when rocker is in the DOWN position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e🎯 Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Direction Control:\u003c\/strong\u003e Forward \/ Off \/ Reverse switching for DC motors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMode Selection:\u003c\/strong\u003e Switch between two operating modes with a center-off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuit Routing:\u003c\/strong\u003e Select between two circuits from a single power source\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive \u0026amp; Marine:\u003c\/strong\u003e Accessory switching, window controls, lighting modes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Panels:\u003c\/strong\u003e Equipment and instrument panel switching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY Electronics:\u003c\/strong\u003e Project enclosures, custom builds, hobby applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e⚠️ Important Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThis is an \u003cstrong\u003eSPDT\u003c\/strong\u003e (Single Pole, Double Throw) switch with \u003cstrong\u003e3 pins\u003c\/strong\u003e — not DPDT (which has 6 pins). Make sure SPDT is what your circuit requires.\u003c\/li\u003e\n\u003cli\u003eDo not exceed the rated current: \u003cstrong\u003e10A at 125VAC\u003c\/strong\u003e or \u003cstrong\u003e6A at 250VAC\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe panel cutout size is \u003cstrong\u003e19.2 × 13.2 mm (0.76\" × 0.52\")\u003c\/strong\u003e. Measure your panel before ordering to ensure a proper fit.\u003c\/li\u003e\n\u003cli\u003eThis switch is \u003cstrong\u003enot waterproof\u003c\/strong\u003e. For outdoor or wet environments, use a waterproof-rated switch or add a protective boot.\u003c\/li\u003e\n\u003cli\u003eEnsure all wiring connections are properly insulated to prevent shorts or accidental contact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2, 5, or 10 pieces (depending on selected variant) — Black KCD1 SPDT ON-OFF-ON 3-Pin Rocker Switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cem\u003eSold and supported by \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/envistiamall.com\" target=\"_blank\"\u003eEnvistia Mall\u003c\/a\u003e. Ships from the USA. The manufacturer and Envistia LLC (dba Envistia Mall) are not responsible for any damages or losses resulting from the use of this product. Always follow proper electrical safety practices when working with electronic components. Specifications are based on manufacturer data and are subject to change without notice.\u003c\/em\u003e\u003c\/p\u003e","brand":"Envistia","offers":[{"title":"2 Pieces","offer_id":43715057484025,"sku":"EM-ECOMP-0124-2X","price":2.89,"currency_code":"USD","in_stock":true},{"title":"5 Pieces","offer_id":43715057516793,"sku":"EM-ECOMP-0124-5X","price":4.89,"currency_code":"USD","in_stock":true},{"title":"10 Pieces","offer_id":43715057549561,"sku":"EM-ECOMP-0124-10X","price":7.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1641\/0911\/files\/black-3-pin-rocker-switch-on-off-on-spdt-21x15mm-08-x-06-kcd1-6a250vac-10a125vac-6168768.jpg?v=1779323891","url":"https:\/\/envistiamall.com\/es\/products\/black-rocker-switch-on-off-on-3-pin-21x15mm-spdt-kcd1","provider":"Envistia Mall","version":"1.0","type":"link"}