{"product_id":"22mm-sound-light-alarm-ad16-22sm-red-led-buzzer-12v-24v-220v","title":"22mm Sound \u0026 Light Alarm — AD16-22SM Red LED Buzzer, AC\/DC 12V\/24V\/220V","description":"\u003ch2\u003e22mm Sound \u0026amp; Light Alarm — AD16-22SM Red LED Buzzer, AC\/DC 12V \/ 24V \/ 220V\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAD16-22SM\u003c\/strong\u003e is a compact panel-mount \u003cstrong\u003esound and light alarm unit\u003c\/strong\u003e combining a high-brightness red flashing LED indicator with an integrated buzzer in a single 22mm installation hole body. Designed for industrial control panels, machinery, and automation equipment, it provides immediate visual and audible notification of fault conditions, process alerts, or status changes. Compatible with AC\/DC 12V, 24V, and 220V supply voltages for broad application flexibility.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eAD16-22SM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInstallation Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e22mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBody Dimensions\u003c\/td\u003e\n\u003ctd\u003e65 × 28 × 20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eRed (LED indicator)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003eAC\/DC 12V \/ AC\/DC 24V \/ AC\/DC 220V (select variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWork Mode\u003c\/td\u003e\n\u003ctd\u003eFlashing LED + continuous buzzer\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePlastic housing\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003ePanel mount, 22mm hole, nut-secured from rear\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eCN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Choose the AD16-22SM?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual alert: visual + audible\u003c\/strong\u003e — Flashing red LED and buzzer activate simultaneously, ensuring alerts are noticed even in noisy or low-visibility environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-voltage compatibility\u003c\/strong\u003e — AC\/DC 12V, 24V, and 220V variants cover the full range of industrial control panel supply voltages\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard 22mm mounting hole\u003c\/strong\u003e — Fits the universal 22mm panel cutout used by most industrial pushbutton and indicator standards (IEC 60947-5-1)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact body\u003c\/strong\u003e — 65 × 28mm footprint fits in tight panel spaces without requiring a dedicated alarm enclosure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple wiring\u003c\/strong\u003e — Two-wire connection (L\/N or +\/−); no external resistor or driver circuit required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial machine fault and overload alarms\u003c\/li\u003e\n  \u003cli\u003ePLC and automation panel status indicators\u003c\/li\u003e\n  \u003cli\u003eConveyor and production line alert systems\u003c\/li\u003e\n  \u003cli\u003eHVAC and refrigeration system fault alarms\u003c\/li\u003e\n  \u003cli\u003eSecurity and access control panel indicators\u003c\/li\u003e\n  \u003cli\u003eGenerator and UPS fault notification\u003c\/li\u003e\n  \u003cli\u003eAgricultural and irrigation system alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDrill or punch a \u003cstrong\u003e22mm hole\u003c\/strong\u003e in the panel\u003c\/li\u003e\n  \u003cli\u003eInsert the alarm unit from the front\u003c\/li\u003e\n  \u003cli\u003eSecure with the rear nut (included)\u003c\/li\u003e\n  \u003cli\u003eConnect the two wires to the appropriate AC\/DC supply voltage (match to your selected variant: 12V, 24V, or 220V)\u003c\/li\u003e\n  \u003cli\u003eApply power to test — the LED will flash and the buzzer will sound\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eQ: Can I use the 12V variant with a 24V supply?\u003c\/h3\u003e\n\u003cp\u003eNo. Each variant is rated for a specific voltage. Using a higher voltage than rated may damage the LED or buzzer. Always select the variant that matches your panel supply voltage.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Is the buzzer sound level adjustable?\u003c\/h3\u003e\n\u003cp\u003eThe AD16-22SM has a fixed buzzer volume. For applications requiring adjustable volume or intermittent tone patterns, consider a programmable alarm unit.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Does it work with both AC and DC at the same voltage?\u003c\/h3\u003e\n\u003cp\u003eYes. Each variant (12V, 24V, 220V) is rated for both AC and DC at that voltage level, making it compatible with both AC mains-derived and DC battery\/PSU-powered control panels.\u003c\/p\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1× AD16-22SM Sound \u0026amp; Light Alarm Unit (voltage per selected variant)\u003c\/li\u003e\n  \u003cli\u003e1× Rear mounting nut\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"ACpercentDC 220V \/ China Mainland","offer_id":47798478897387,"sku":"200007763:201336100;35:4001#ACpercentDC 220V","price":2.36,"currency_code":"USD","in_stock":true},{"title":"ACpercentDC 12V \/ China Mainland","offer_id":47798478930155,"sku":"200007763:201336100;35:3625#ACpercentDC 12V","price":2.6,"currency_code":"USD","in_stock":true},{"title":"ACpercentDC 24V \/ China Mainland","offer_id":47798478962923,"sku":"200007763:201336100;35:3979#ACpercentDC 24V","price":2.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/S6827c9d73903447c9561e5f1887be009O.webp?v=1770565280","url":"https:\/\/keszoox.com\/products\/22mm-sound-light-alarm-ad16-22sm-red-led-buzzer-12v-24v-220v","provider":"Keszoox","version":"1.0","type":"link"}