{"product_id":"ew-632-w32-ake-magnetic-reed-switch-sensor-door-window-alarm-security","title":"EW-632 \/ W32 \/ AKE Magnetic Reed Switch Sensor — Door \u0026 Window Alarm Security","description":"\u003ch2\u003eEW-632 \/ W32 \/ AKE — Magnetic Reed Switch Sensor for Door \u0026amp; Window Alarm\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eEW-632\u003c\/strong\u003e (also marked \u003cstrong\u003eW32\u003c\/strong\u003e or \u003cstrong\u003eAKE\u003c\/strong\u003e) is a \u003cstrong\u003esurface-mount magnetic reed switch sensor\u003c\/strong\u003e designed for door and window intrusion detection. When the magnet (mounted on the moving part) separates from the switch body (mounted on the frame), the reed contact opens or closes — triggering an alarm panel, Arduino, or security system. Simple, reliable, and no power required for the sensor itself.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eEW-632 \/ W32 \/ AKE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Type\u003c\/td\u003e\n\u003ctd\u003eNC (Normally Closed, default) \/ NO available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e100mA \/ 100VDC max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActuation Gap\u003c\/td\u003e\n\u003ctd\u003e~15–25mm (magnet separation distance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Length\u003c\/td\u003e\n\u003ctd\u003e~30cm (pre-wired leads)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eSurface mount (adhesive or screw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eABS plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose EW-632?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eNo power required\u003c\/strong\u003e — passive reed switch, zero standby current\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eNC contact (fail-safe)\u003c\/strong\u003e — alarm triggers on wire cut or sensor removal\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSurface mount\u003c\/strong\u003e — easy installation on door\/window frame without drilling\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePre-wired leads\u003c\/strong\u003e — ready to connect to alarm panel or Arduino GPIO\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eUniversal compatibility\u003c\/strong\u003e — works with any wired alarm panel, Arduino, or Raspberry Pi\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With \/ Works With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWired alarm panels: DSC, Paradox, Bosch, Honeywell (zone input)\u003c\/li\u003e\n\u003cli\u003eArduino UNO\/Nano (digital input with pull-up resistor)\u003c\/li\u003e\n\u003cli\u003eESP32 \/ ESP8266 (GPIO input for WiFi-connected alarm)\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi GPIO (door open\/close detection)\u003c\/li\u003e\n\u003cli\u003eHome Assistant (via ESPHome or Zigbee gateway)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHome Security Alarm\u003c\/strong\u003e — door\/window zone sensor for wired alarm panel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino Door Monitor\u003c\/strong\u003e — detect door open\/close state with digital GPIO input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Home Automation\u003c\/strong\u003e — ESP32 + EW-632 for WiFi door sensor in Home Assistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Security\u003c\/strong\u003e — detect unauthorized opening of server rack or equipment cabinet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMailbox Alert\u003c\/strong\u003e — Arduino + EW-632 + buzzer for mailbox open notification\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eWiring (Arduino)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSensor Wire\u003c\/th\u003e\n\u003cth\u003eArduino Connection\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire 1\u003c\/td\u003e\n\u003ctd\u003eDigital pin (e.g., D2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire 2\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePull-up\u003c\/td\u003e\n\u003ctd\u003eEnable INPUT_PULLUP in code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eWhen door is \u003cstrong\u003eclosed\u003c\/strong\u003e: NC contact closed → pin reads LOW. When door is \u003cstrong\u003eopen\u003c\/strong\u003e: NC contact open → pin reads HIGH (via pull-up).\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between NC and NO magnetic sensors?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eNC (Normally Closed)\u003c\/strong\u003e: contact is closed when magnet is near (door closed), opens when magnet moves away (door opens). This is the fail-safe type — a cut wire or removed sensor also triggers the alarm. \u003cstrong\u003eNO (Normally Open)\u003c\/strong\u003e: opposite behavior. NC is standard for security applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How far can the magnet be from the switch before it triggers?\u003c\/strong\u003e\u003cbr\u003eA: Typically 15–25mm gap. Install the switch body on the fixed frame and the magnet on the moving door\/window, aligned within 5mm laterally for reliable operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can EW-632 be used with a wireless alarm system?\u003c\/strong\u003e\u003cbr\u003eA: EW-632 is a wired sensor. For wireless systems, use a wireless door sensor module (433MHz or Zigbee) that incorporates a reed switch internally.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× EW-632 \/ W32 \/ AKE Magnetic Reed Switch Sensor Set (switch body + magnet + pre-wired leads)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991483470059,"sku":"\u003cnone\u003e","price":14.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ew-632-w32-ake-magnetic-sensor-switch-security-alarm.webp?v=1761628150","url":"https:\/\/keszoox.com\/products\/ew-632-w32-ake-magnetic-reed-switch-sensor-door-window-alarm-security","provider":"Keszoox","version":"1.0","type":"link"}