{"id":20738,"date":"2026-08-25T18:00:56","date_gmt":"2026-08-25T12:30:56","guid":{"rendered":"https:\/\/stitchpartner.com\/?post_type=product&#038;p=20738"},"modified":"2026-08-29T22:56:37","modified_gmt":"2026-08-29T17:26:37","slug":"ad16-22sm-22mm-flash-led-indicator-buzzer-220v-ac","status":"publish","type":"product","link":"https:\/\/stitchpartner.com\/hi\/product\/ad16-22sm-22mm-flash-led-indicator-buzzer-220v-ac\/","title":{"rendered":"AD16-22SM 22mm Flash LED Indicator Light with Buzzer 220V AC"},"content":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"107\" data-end=\"300\">The <strong data-start=\"111\" data-end=\"183\">AD16-22SM 22mm Flash LED Signal Indicator with Built-in Piezo Buzzer<\/strong> is a compact audio-visual warning device designed for industrial, commercial and domestic electrical control panels.<\/p>\n<p data-start=\"302\" data-end=\"501\">It combines a <strong data-start=\"316\" data-end=\"358\">high-visibility flashing LED indicator<\/strong> \u0914\u0930 \u090f\u0915 <strong data-start=\"365\" data-end=\"390\">built-in piezo buzzer<\/strong> in a single panel-mounted unit, allowing users to receive both visual and audible alerts from the same device.<\/p>\n<p data-start=\"503\" data-end=\"831\">Designed for a <strong data-start=\"518\" data-end=\"536\">220V AC supply<\/strong> and standard <strong data-start=\"550\" data-end=\"573\">22mm panel mounting<\/strong>, this signal indicator is suitable for compatible <strong data-start=\"624\" data-end=\"830\">steam iron boiler control panels, industrial sewing machine control boxes, automatic water-level controllers, electrical distribution panels, machine-control cabinets and industrial automation equipment<\/strong>.<\/p>\n<h2 data-section-id=\"1rbzvcq\" data-start=\"987\" data-end=\"1002\">WHAT YOU GET<\/h2>\n<ul data-start=\"1004\" data-end=\"1185\">\n<li data-section-id=\"vhtcbh\" data-start=\"1004\" data-end=\"1058\"><strong data-start=\"1006\" data-end=\"1058\">1 \u00d7 AD16-22SM LED Indicator with Built-in Buzzer<\/strong><\/li>\n<li data-section-id=\"1vg4j2\" data-start=\"1059\" data-end=\"1091\">22mm panel-mount configuration<\/li>\n<li data-section-id=\"gem1o0\" data-start=\"1092\" data-end=\"1114\">LED visual indicator<\/li>\n<li data-section-id=\"k0iwr1\" data-start=\"1115\" data-end=\"1138\">Built-in piezo buzzer<\/li>\n<li data-section-id=\"uj2qa1\" data-start=\"1139\" data-end=\"1185\">Suitable for compatible 220V AC applications<\/li>\n<\/ul>\n<h1 data-section-id=\"1ukjtrq\" data-start=\"1187\" data-end=\"1201\">KEY FEATURES<\/h1>\n<h3 data-section-id=\"14pe16n\" data-start=\"1203\" data-end=\"1232\">Dual Audio-Visual Warning<\/h3>\n<p data-start=\"1234\" data-end=\"1296\">The unit combines two warning functions in one compact device:<\/p>\n<ul data-start=\"1298\" data-end=\"1399\">\n<li data-section-id=\"pckkq1\" data-start=\"1298\" data-end=\"1346\"><strong data-start=\"1300\" data-end=\"1322\">Flashing LED light<\/strong> for visual notification<\/li>\n<li data-section-id=\"f1b4ll\" data-start=\"1347\" data-end=\"1399\"><strong data-start=\"1349\" data-end=\"1374\">Built-in piezo buzzer<\/strong> for audible notification<\/li>\n<\/ul>\n<p data-start=\"1401\" data-end=\"1509\">This makes it useful for machine alarms, water-level warnings, fault indication and equipment-status alerts.<\/p>\n<h3 data-section-id=\"1stsa0u\" data-start=\"1511\" data-end=\"1543\">High-Visibility Flashing LED<\/h3>\n<p data-start=\"1545\" data-end=\"1664\">The bright LED provides a clear flashing visual signal that can be easily noticed from the machine operator&#8217;s position.<\/p>\n<p data-start=\"1666\" data-end=\"1827\">It is particularly useful in industrial environments where machinery, lighting and background activity can make conventional indicator lamps difficult to notice.<\/p>\n<h3 data-section-id=\"1yqzy3n\" data-start=\"1829\" data-end=\"1854\">Built-in Piezo Buzzer<\/h3>\n<p data-start=\"1856\" data-end=\"1975\">The integrated buzzer provides an audible alert to draw attention to the associated machine or control-panel condition.<\/p>\n<ul data-start=\"2015\" data-end=\"2116\">\n<li data-section-id=\"rtpj1b\" data-start=\"2015\" data-end=\"2032\">Low water level<\/li>\n<li data-section-id=\"6hbo6f\" data-start=\"2033\" data-end=\"2048\">Machine fault<\/li>\n<li data-section-id=\"134efj8\" data-start=\"2049\" data-end=\"2062\">Pump status<\/li>\n<li data-section-id=\"z4fy6c\" data-start=\"2063\" data-end=\"2077\">Boiler alarm<\/li>\n<li data-section-id=\"199qw4r\" data-start=\"2078\" data-end=\"2097\">Emergency warning<\/li>\n<li data-section-id=\"1qljnpy\" data-start=\"2098\" data-end=\"2116\">Equipment status<\/li>\n<\/ul>\n<h3 data-section-id=\"1l1p71z\" data-start=\"2118\" data-end=\"2139\">220V AC Operation<\/h3>\n<p data-start=\"2141\" data-end=\"2204\">Designed for compatible <strong data-start=\"2165\" data-end=\"2203\">220V AC control-panel applications<\/strong>.<\/p>\n<p data-start=\"2206\" data-end=\"2302\"><strong data-start=\"2206\" data-end=\"2302\">Always verify the actual voltage rating printed on the product before electrical connection.<\/strong><\/p>\n<h3 data-section-id=\"1nl2iqu\" data-start=\"2304\" data-end=\"2333\">Standard 22mm Panel Mount<\/h3>\n<p data-start=\"2335\" data-end=\"2479\">The AD16-22SM is designed for a standard <strong data-start=\"2376\" data-end=\"2397\">22mm panel cutout<\/strong>, making it suitable for many industrial control panels and electrical enclosures.<\/p>\n<h3 data-section-id=\"pv9xgu\" data-start=\"2481\" data-end=\"2500\">Durable Housing<\/h3>\n<p data-start=\"2502\" data-end=\"2612\">The indicator uses a durable, flame-resistant style housing suitable for demanding control-panel environments.<\/p>\n<h3 data-section-id=\"1cyzt0a\" data-start=\"2614\" data-end=\"2644\">Screw-Terminal Connections<\/h3>\n<p data-start=\"2646\" data-end=\"2755\">The rear connection arrangement allows convenient wiring in compatible electrical panels and control systems.<\/p>\n<h2 data-section-id=\"knhayh\" data-start=\"2757\" data-end=\"2793\">COMPATIBLE MACHINES &amp; APPLICATIONS<\/h2>\n<p data-start=\"2795\" data-end=\"2894\">The AD16-22SM can be used as an audio-visual signal device in a wide range of compatible equipment.<\/p>\n<h2 data-section-id=\"rwls1p\" data-start=\"2896\" data-end=\"2917\">STEAM IRON BOILERS<\/h2>\n<p data-start=\"2919\" data-end=\"2943\">Suitable for compatible:<\/p>\n<ul data-start=\"2945\" data-end=\"3111\">\n<li data-section-id=\"9eal6f\" data-start=\"2945\" data-end=\"2976\">Industrial steam iron boilers<\/li>\n<li data-section-id=\"qtf5y\" data-start=\"2977\" data-end=\"2995\">Steam generators<\/li>\n<li data-section-id=\"1d0fxgf\" data-start=\"2996\" data-end=\"3023\">Garment pressing machines<\/li>\n<li data-section-id=\"1ys4t4l\" data-start=\"3024\" data-end=\"3047\">Boiler control panels<\/li>\n<li data-section-id=\"1e7alre\" data-start=\"3048\" data-end=\"3084\">Commercial steam ironing equipment<\/li>\n<li data-section-id=\"8ho75s\" data-start=\"3085\" data-end=\"3111\">Laundry pressing systems<\/li>\n<\/ul>\n<h2 data-section-id=\"tmglkl\" data-start=\"3241\" data-end=\"3270\">INDUSTRIAL SEWING MACHINES<\/h2>\n<p data-start=\"3272\" data-end=\"3296\">Suitable for compatible:<\/p>\n<ul data-start=\"3298\" data-end=\"3458\">\n<li data-section-id=\"1qty9vz\" data-start=\"3298\" data-end=\"3339\">Industrial sewing machine control boxes<\/li>\n<li data-section-id=\"1ypv4fq\" data-start=\"3340\" data-end=\"3374\">Sewing machine automation panels<\/li>\n<li data-section-id=\"1l84x6d\" data-start=\"3375\" data-end=\"3401\">Machine fault indicators<\/li>\n<li data-section-id=\"6ho4ng\" data-start=\"3402\" data-end=\"3424\">Motor-control panels<\/li>\n<li data-section-id=\"1eh3pas\" data-start=\"3425\" data-end=\"3458\">Production-line warning systems<\/li>\n<\/ul>\n<h2 data-section-id=\"4ms33o\" data-start=\"3460\" data-end=\"3496\">AUTOMATIC WATER LEVEL CONTROLLERS<\/h2>\n<ul data-start=\"3560\" data-end=\"3702\">\n<li data-section-id=\"4cs2vo\" data-start=\"3560\" data-end=\"3595\">Automatic water-level controllers<\/li>\n<li data-section-id=\"iao5e9\" data-start=\"3596\" data-end=\"3623\">Overhead tank controllers<\/li>\n<li data-section-id=\"12f3aqs\" data-start=\"3624\" data-end=\"3647\">Sump pump controllers<\/li>\n<li data-section-id=\"iki4ga\" data-start=\"3648\" data-end=\"3675\">Water-pump control panels<\/li>\n<li data-section-id=\"gg0w9i\" data-start=\"3676\" data-end=\"3702\">Motor protection systems<\/li>\n<\/ul>\n<p data-start=\"3704\" data-end=\"3877\">For example, it can provide a visual and audible warning when a water-level controller detects a low-water condition, provided the controller&#8217;s output circuit is compatible.<\/p>\n<h2 data-section-id=\"1v39j1c\" data-start=\"3879\" data-end=\"3907\">INDUSTRIAL CONTROL PANELS<\/h2>\n<p data-start=\"3909\" data-end=\"3933\">Suitable for compatible:<\/p>\n<ul data-start=\"3935\" data-end=\"4128\">\n<li data-section-id=\"gkbkck\" data-start=\"3935\" data-end=\"3962\">Electrical control panels<\/li>\n<li data-section-id=\"xgqcci\" data-start=\"3963\" data-end=\"3989\">Machine-control cabinets<\/li>\n<li data-section-id=\"4ebsvm\" data-start=\"3990\" data-end=\"4009\">Automation panels<\/li>\n<li data-section-id=\"9oaavv\" data-start=\"4010\" data-end=\"4031\">Distribution boards<\/li>\n<li data-section-id=\"suisdu\" data-start=\"4032\" data-end=\"4053\">Pump control panels<\/li>\n<li data-section-id=\"b3aulu\" data-start=\"4054\" data-end=\"4077\">Motor control systems<\/li>\n<li data-section-id=\"d4k3ep\" data-start=\"4078\" data-end=\"4100\">Industrial machinery<\/li>\n<li data-section-id=\"1xm7e3n\" data-start=\"4101\" data-end=\"4128\">Process-control equipment<\/li>\n<\/ul>\n<h1 data-section-id=\"1tvjpt1\" data-start=\"4130\" data-end=\"4154\">MOUNTING COMPATIBILITY<\/h1>\n<h3 data-section-id=\"hfdecc\" data-start=\"4156\" data-end=\"4177\">22mm Panel Cutout<\/h3>\n<p data-start=\"4179\" data-end=\"4242\">The indicator is designed for standard <strong data-start=\"4218\" data-end=\"4241\">22mm panel mounting<\/strong>.<\/p>\n<p data-start=\"4244\" data-end=\"4356\">It is suitable for control panels where the existing mounting hole matches the AD16-22SM\/AD16 series dimensions.<\/p>\n<h3 data-section-id=\"1pzr8fa\" data-start=\"4358\" data-end=\"4377\">Panel Thickness<\/h3>\n<p data-start=\"4379\" data-end=\"4470\">Always verify the available panel thickness and threaded-barrel length before installation.<\/p>\n<h1 data-section-id=\"1se4iko\" data-start=\"4472\" data-end=\"4501\">COMMON WARNING APPLICATIONS<\/h1>\n<h3 data-section-id=\"35f9cp\" data-start=\"4555\" data-end=\"4574\">Low-Water Alarm<\/h3>\n<p data-start=\"4576\" data-end=\"4694\">Provides an audible and flashing visual warning when a connected water-level controller detects a low-water condition.<\/p>\n<h3 data-section-id=\"1du5abu\" data-start=\"4696\" data-end=\"4712\">Boiler Alarm<\/h3>\n<p data-start=\"4714\" data-end=\"4792\">Can indicate a boiler-related warning condition in compatible steam equipment.<\/p>\n<h3 data-section-id=\"1g4hac4\" data-start=\"4794\" data-end=\"4810\">Pump Warning<\/h3>\n<p data-start=\"4812\" data-end=\"4900\">Can alert the operator when a pump-control system detects a fault or abnormal condition.<\/p>\n<h3 data-section-id=\"f2vi7d\" data-start=\"4902\" data-end=\"4919\">Machine Fault<\/h3>\n<p data-start=\"4921\" data-end=\"5013\">Can provide an audio-visual indication when connected to a compatible machine fault circuit.<\/p>\n<h3 data-section-id=\"1j2kxqu\" data-start=\"5015\" data-end=\"5044\">Power \/ Status Indication<\/h3>\n<p data-start=\"5046\" data-end=\"5123\">Can be used as a visual status indicator for a compatible electrical circuit.<\/p>\n<h3 data-section-id=\"1yacmed\" data-start=\"5125\" data-end=\"5146\">Emergency Warning<\/h3>\n<p data-start=\"5148\" data-end=\"5241\">Can be integrated into suitable control systems requiring a flashing light and audible alarm.<\/p>\n<h1 data-section-id=\"eac1o9\" data-start=\"5243\" data-end=\"5257\">HOW IT WORKS<\/h1>\n<p data-start=\"5259\" data-end=\"5334\">The indicator operates as part of the machine&#8217;s electrical control circuit.<\/p>\n<p data-start=\"5336\" data-end=\"5491\">When the connected circuit provides the appropriate <strong data-start=\"5388\" data-end=\"5406\">220V AC supply<\/strong>, the device activates its warning functions according to its specific configuration.<\/p>\n<p data-start=\"5493\" data-end=\"5523\">The operator can then receive:<\/p>\n<p data-start=\"5525\" data-end=\"5595\"><strong data-start=\"5525\" data-end=\"5595\">Electrical Signal \u2192 LED Flashing + Buzzer Alert \u2192 Operator Warning<\/strong><\/p>\n<p data-start=\"5597\" data-end=\"5705\">The actual triggering condition depends entirely on the control circuit in which the indicator is installed.<\/p>\n<h1 data-section-id=\"191tkzn\" data-start=\"5707\" data-end=\"5731\">PRODUCT SPECIFICATIONS<\/h1>\n<div class=\"group TyagGW_tableContainer\">\n<div class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"5733\" data-end=\"6131\">\n<thead data-start=\"5733\" data-end=\"5760\">\n<tr data-start=\"5733\" data-end=\"5760\">\n<th class=\"last:pe-10\" data-start=\"5733\" data-end=\"5749\" data-col-size=\"sm\">\u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936<\/th>\n<th class=\"last:pe-10\" data-start=\"5749\" data-end=\"5760\" data-col-size=\"sm\">\u0935\u093f\u0935\u0930\u0923<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"5771\" data-end=\"6131\">\n<tr data-start=\"5771\" data-end=\"5822\">\n<td data-start=\"5771\" data-end=\"5786\" data-col-size=\"sm\">\u0909\u0924\u094d\u092a\u093e\u0926 \u0915\u093e \u092a\u094d\u0930\u0915\u093e\u0930<\/td>\n<td data-start=\"5786\" data-end=\"5822\" data-col-size=\"sm\">LED Signal Indicator with Buzzer<\/td>\n<\/tr>\n<tr data-start=\"5823\" data-end=\"5844\">\n<td data-start=\"5823\" data-end=\"5831\" data-col-size=\"sm\">\u0928\u092e\u0942\u0928\u093e<\/td>\n<td data-start=\"5831\" data-end=\"5844\" data-col-size=\"sm\">AD16-22SM<\/td>\n<\/tr>\n<tr data-start=\"5845\" data-end=\"5862\">\n<td data-start=\"5845\" data-end=\"5854\" data-col-size=\"sm\">Series<\/td>\n<td data-start=\"5854\" data-end=\"5862\" data-col-size=\"sm\">AD16<\/td>\n<\/tr>\n<tr data-start=\"5863\" data-end=\"5891\">\n<td data-start=\"5863\" data-end=\"5883\" data-col-size=\"sm\">Mounting Diameter<\/td>\n<td data-start=\"5883\" data-end=\"5891\" data-col-size=\"sm\">22mm<\/td>\n<\/tr>\n<tr data-start=\"5892\" data-end=\"5912\">\n<td data-start=\"5892\" data-end=\"5901\" data-col-size=\"sm\">Supply<\/td>\n<td data-start=\"5901\" data-end=\"5912\" data-col-size=\"sm\">220V AC<\/td>\n<\/tr>\n<tr data-start=\"5913\" data-end=\"5946\">\n<td data-start=\"5913\" data-end=\"5930\" data-col-size=\"sm\">Indicator Type<\/td>\n<td data-start=\"5930\" data-end=\"5946\" data-col-size=\"sm\">Flashing LED<\/td>\n<\/tr>\n<tr data-start=\"5947\" data-end=\"5985\">\n<td data-start=\"5947\" data-end=\"5960\" data-col-size=\"sm\">Alarm Type<\/td>\n<td data-start=\"5960\" data-end=\"5985\" data-col-size=\"sm\">Built-in Piezo Buzzer<\/td>\n<\/tr>\n<tr data-start=\"5986\" data-end=\"6021\">\n<td data-start=\"5986\" data-end=\"5997\" data-col-size=\"sm\">\u0938\u092e\u093e\u0930\u094b\u0939<\/td>\n<td data-start=\"5997\" data-end=\"6021\" data-col-size=\"sm\">Audio-Visual Warning<\/td>\n<\/tr>\n<tr data-start=\"6022\" data-end=\"6048\">\n<td data-start=\"6022\" data-end=\"6033\" data-col-size=\"sm\">Mounting<\/td>\n<td data-start=\"6033\" data-end=\"6048\" data-col-size=\"sm\">Panel Mount<\/td>\n<\/tr>\n<tr data-start=\"6049\" data-end=\"6081\">\n<td data-start=\"6049\" data-end=\"6062\" data-col-size=\"sm\">Connection<\/td>\n<td data-start=\"6062\" data-end=\"6081\" data-col-size=\"sm\">Screw Terminal*<\/td>\n<\/tr>\n<tr data-start=\"6082\" data-end=\"6109\">\n<td data-start=\"6082\" data-end=\"6098\" data-col-size=\"sm\">\u092a\u0948\u0915 \u092e\u093e\u0924\u094d\u0930\u093e<\/td>\n<td data-start=\"6098\" data-end=\"6109\" data-col-size=\"sm\">1 \u091f\u0941\u0915\u0921\u093c\u093e<\/td>\n<\/tr>\n<tr data-start=\"6110\" data-end=\"6131\">\n<td data-start=\"6110\" data-end=\"6124\" data-col-size=\"sm\">\u0915\u092a\u0921\u093c\u0947 \u0915\u093e \u092a\u094d\u0930\u0915\u093e\u0930<\/td>\n<td data-start=\"6124\" data-end=\"6131\" data-col-size=\"sm\">N\/A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"6133\" data-end=\"6221\"><strong data-start=\"6133\" data-end=\"6221\">*Verify the actual terminal configuration of the supplied unit before installation.<\/strong><\/p>\n<h1 data-section-id=\"1mutcm6\" data-start=\"6223\" data-end=\"6235\">ADVANTAGES<\/h1>\n<p data-start=\"6237\" data-end=\"6319\">The AD16-22SM provides several useful advantages for machine-control applications:<\/p>\n<ul data-start=\"6321\" data-end=\"6697\">\n<li data-section-id=\"1rf7dqy\" data-start=\"6321\" data-end=\"6356\">Two warning functions in one unit<\/li>\n<li data-section-id=\"qn0nky\" data-start=\"6357\" data-end=\"6384\">Saves control-panel space<\/li>\n<li data-section-id=\"diw1p4\" data-start=\"6385\" data-end=\"6413\">Easy visual identification<\/li>\n<li data-section-id=\"of6ygt\" data-start=\"6414\" data-end=\"6454\">Audible warning for operator attention<\/li>\n<li data-section-id=\"xq6qlk\" data-start=\"6455\" data-end=\"6485\">Standard 22mm panel mounting<\/li>\n<li data-section-id=\"jr6ylj\" data-start=\"6486\" data-end=\"6526\">Suitable for industrial control panels<\/li>\n<li data-section-id=\"1v71pes\" data-start=\"6527\" data-end=\"6565\">Useful for water-level alarm systems<\/li>\n<li data-section-id=\"26a7sr\" data-start=\"6566\" data-end=\"6605\">Useful for steam boiler alarm systems<\/li>\n<li data-section-id=\"laithm\" data-start=\"6606\" data-end=\"6646\">Suitable for machine-status indication<\/li>\n<li data-section-id=\"1g7xo01\" data-start=\"6647\" data-end=\"6697\">Easy replacement for compatible panel indicators<\/li>\n<\/ul>\n<h1 data-section-id=\"so7ku2\" data-start=\"6699\" data-end=\"6713\">INSTALLATION<\/h1>\n<p data-start=\"6843\" data-end=\"6864\">General installation:<\/p>\n<ol data-start=\"6866\" data-end=\"7397\">\n<li data-section-id=\"15f1o46\" data-start=\"6866\" data-end=\"6911\">Disconnect the equipment from mains power.<\/li>\n<li data-section-id=\"5k78vk\" data-start=\"6912\" data-end=\"6961\">Confirm that no electrical voltage is present.<\/li>\n<li data-section-id=\"dj5yqo\" data-start=\"6962\" data-end=\"6997\">Check the existing panel cutout.<\/li>\n<li data-section-id=\"16js9qn\" data-start=\"6998\" data-end=\"7039\">Verify the indicator&#8217;s voltage rating.<\/li>\n<li data-section-id=\"1xzem9r\" data-start=\"7040\" data-end=\"7095\">Insert the indicator through the 22mm panel opening.<\/li>\n<li data-section-id=\"hju31p\" data-start=\"7096\" data-end=\"7134\">Secure the rear locking collar\/nut.<\/li>\n<li data-section-id=\"p25fah\" data-start=\"7135\" data-end=\"7203\">Connect the wiring according to the machine&#8217;s electrical diagram.<\/li>\n<li data-section-id=\"1o9tnqh\" data-start=\"7204\" data-end=\"7247\">Check terminal tightness and insulation.<\/li>\n<li data-section-id=\"149u7u7\" data-start=\"7248\" data-end=\"7303\">Ensure the wiring cannot contact adjacent terminals.<\/li>\n<li data-section-id=\"1b4e6cm\" data-start=\"7304\" data-end=\"7358\">Restore power only after completing safety checks.<\/li>\n<li data-section-id=\"1jxxcyl\" data-start=\"7359\" data-end=\"7397\">Test the LED and buzzer functions.<\/li>\n<\/ol>\n<p data-start=\"7399\" data-end=\"7580\"><strong data-start=\"7399\" data-end=\"7580\">Do not connect the indicator directly to a power source unless the supplied unit is specifically rated for that voltage and connection. Always follow the machine wiring diagram.<\/strong><\/p>\n<h1 data-section-id=\"ihnzfa\" data-start=\"7582\" data-end=\"7602\">SAFETY INFORMATION<\/h1>\n<p data-start=\"7604\" data-end=\"7663\">This product may be connected to <strong data-start=\"7637\" data-end=\"7662\">220V AC mains voltage<\/strong>.<\/p>\n<p data-start=\"7665\" data-end=\"7687\">For safe installation:<\/p>\n<ul data-start=\"7689\" data-end=\"8137\">\n<li data-section-id=\"skr4q1\" data-start=\"7689\" data-end=\"7728\">Switch OFF mains power before wiring.<\/li>\n<li data-section-id=\"crikho\" data-start=\"7729\" data-end=\"7764\">Verify voltage before connection.<\/li>\n<li data-section-id=\"f27k1a\" data-start=\"7765\" data-end=\"7807\">Use correctly rated wires and terminals.<\/li>\n<li data-section-id=\"14oy35y\" data-start=\"7808\" data-end=\"7835\">Ensure proper insulation.<\/li>\n<li data-section-id=\"1sa57np\" data-start=\"7836\" data-end=\"7880\">Maintain proper earthing of the equipment.<\/li>\n<li data-section-id=\"tz948d\" data-start=\"7881\" data-end=\"7929\">Do not exceed the product&#8217;s electrical rating.<\/li>\n<li data-section-id=\"1rxofmg\" data-start=\"7930\" data-end=\"7967\">Do not install with damaged wiring.<\/li>\n<li data-section-id=\"r8u7v9\" data-start=\"7968\" data-end=\"8075\">Keep the device away from direct water exposure unless the complete enclosure is appropriately protected.<\/li>\n<\/ul>\n<h1 data-section-id=\"hf4mak\" data-start=\"8139\" data-end=\"8167\">FREQUENTLY ASKED QUESTIONS<\/h1>\n<h3 data-section-id=\"1eeq735\" data-start=\"8169\" data-end=\"8195\">What is the AD16-22SM?<\/h3>\n<p data-start=\"8197\" data-end=\"8330\">The <strong data-start=\"8201\" data-end=\"8214\">AD16-22SM<\/strong> is a 22mm panel-mounted LED signal indicator with an integrated piezo buzzer for audio-visual warning applications.<\/p>\n<h3 data-section-id=\"1ummjce\" data-start=\"8332\" data-end=\"8381\">Does this indicator have both LED and buzzer?<\/h3>\n<p data-start=\"8383\" data-end=\"8467\">Yes. It combines a <strong data-start=\"8402\" data-end=\"8454\">flashing LED indicator and built-in piezo buzzer<\/strong> in one unit.<\/p>\n<h3 data-section-id=\"1n1aliq\" data-start=\"8469\" data-end=\"8498\">What voltage does it use?<\/h3>\n<p data-start=\"8500\" data-end=\"8552\">This product is specified for <strong data-start=\"8530\" data-end=\"8541\">220V AC<\/strong> operation.<\/p>\n<h3 data-section-id=\"dt0rdp\" data-start=\"8554\" data-end=\"8591\">What size panel hole is required?<\/h3>\n<p data-start=\"8593\" data-end=\"8656\">The indicator is designed for a standard <strong data-start=\"8634\" data-end=\"8655\">22mm panel cutout<\/strong>.<\/p>\n<h3 data-section-id=\"ylrn0p\" data-start=\"8658\" data-end=\"8698\">Can I use it on a steam iron boiler?<\/h3>\n<p data-start=\"8700\" data-end=\"8848\">Yes, it can be used on a compatible industrial steam iron boiler or steam-generator control panel when the voltage and control circuit are suitable.<\/p>\n<h3 data-section-id=\"1vj50st\" data-start=\"8850\" data-end=\"8891\">Can it be used for a low-water alarm?<\/h3>\n<p data-start=\"8893\" data-end=\"9018\">Yes. It can provide an audio-visual low-water warning when connected to a compatible water-level controller or alarm circuit.<\/p>\n<h3 data-section-id=\"17jbayo\" data-start=\"9020\" data-end=\"9078\">Can I use it with an automatic water-level controller?<\/h3>\n<p data-start=\"9080\" data-end=\"9193\">Yes, provided the controller&#8217;s alarm\/output circuit is compatible with the indicator&#8217;s electrical specifications.<\/p>\n<h3 data-section-id=\"qdlyxy\" data-start=\"9361\" data-end=\"9400\">Does the buzzer sound continuously?<\/h3>\n<p data-start=\"9402\" data-end=\"9570\">The buzzer operation depends on the specific AD16-22SM variant and the electrical circuit controlling it. Verify the supplied unit&#8217;s specifications before installation.<\/p>\n<h3 data-section-id=\"12ig92u\" data-start=\"9572\" data-end=\"9603\">Is the LED always flashing?<\/h3>\n<p data-start=\"9605\" data-end=\"9742\">The LED is designed as a flashing signal indicator, but its exact operating behaviour depends on the specific product variant and wiring.<\/p>\n<h3 data-section-id=\"ui1f3m\" data-start=\"9744\" data-end=\"9792\">Can I use it in a domestic electrical panel?<\/h3>\n<p data-start=\"9794\" data-end=\"9937\">It can be used in compatible domestic or commercial panels if the <strong data-start=\"9860\" data-end=\"9920\">voltage, mounting dimensions, wiring and electrical load<\/strong> are appropriate.<\/p>\n<h3 data-section-id=\"1qf32df\" data-start=\"10027\" data-end=\"10067\">What can this indicator be used for?<\/h3>\n<p data-start=\"10069\" data-end=\"10097\">\u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917\u094b\u0902 \u092e\u0947\u0902 \u0936\u093e\u092e\u093f\u0932 \u0939\u0948\u0902:<\/p>\n<ul data-start=\"10099\" data-end=\"10247\">\n<li data-section-id=\"mktg6v\" data-start=\"10099\" data-end=\"10114\">Boiler alarms<\/li>\n<li data-section-id=\"1ppq3tw\" data-start=\"10115\" data-end=\"10133\">Low-water alarms<\/li>\n<li data-section-id=\"15kme21\" data-start=\"10134\" data-end=\"10149\">Pump warnings<\/li>\n<li data-section-id=\"sd01g\" data-start=\"10150\" data-end=\"10166\">Machine faults<\/li>\n<li data-section-id=\"169owig\" data-start=\"10167\" data-end=\"10192\">Power\/status indication<\/li>\n<li data-section-id=\"1hl18rc\" data-start=\"10193\" data-end=\"10222\">Industrial equipment alerts<\/li>\n<li data-section-id=\"1tcbo99\" data-start=\"10223\" data-end=\"10247\">Control-panel warnings<\/li>\n<\/ul>\n<h3 data-section-id=\"1xkf5mr\" data-start=\"10249\" data-end=\"10291\">How do I know if it will fit my panel?<\/h3>\n<p data-start=\"10293\" data-end=\"10401\">Check the panel cutout diameter, panel thickness, rear clearance and terminal arrangement before purchasing.<\/p>\n<h1 data-section-id=\"1fsfang\" data-start=\"10403\" data-end=\"10428\">COMPATIBILITY CHECKLIST<\/h1>\n<p data-start=\"10430\" data-end=\"10454\">Before ordering, verify:<\/p>\n<ul data-start=\"10456\" data-end=\"10677\">\n<li data-section-id=\"u1e27m\" data-start=\"10456\" data-end=\"10479\"><strong data-start=\"10458\" data-end=\"10479\">22mm panel cutout<\/strong><\/li>\n<li data-section-id=\"15f35ez\" data-start=\"10480\" data-end=\"10500\"><strong data-start=\"10482\" data-end=\"10500\">220V AC rating<\/strong><\/li>\n<li data-section-id=\"vp8qgv\" data-start=\"10501\" data-end=\"10538\">AD16\/AD16-22SM series configuration<\/li>\n<li data-section-id=\"opgf3q\" data-start=\"10539\" data-end=\"10566\">Rear terminal arrangement<\/li>\n<li data-section-id=\"1q9cdig\" data-start=\"10567\" data-end=\"10584\">Panel thickness<\/li>\n<li data-section-id=\"snajrl\" data-start=\"10585\" data-end=\"10611\">Available mounting depth<\/li>\n<li data-section-id=\"faxu8x\" data-start=\"10612\" data-end=\"10642\">LED\/buzzer function required<\/li>\n<li data-section-id=\"1o9l7r4\" data-start=\"10643\" data-end=\"10677\">Existing control-circuit voltage<\/li>\n<\/ul>\n<p data-start=\"10679\" data-end=\"10771\">","protected":false},"excerpt":{"rendered":"<p>AD16-22SM 22mm flashing LED signal indicator with built-in piezo buzzer for 220V AC applications. Suitable for steam boilers, water-level controllers, sewing machine panels and industrial control equipment.<\/p>","protected":false},"featured_media":20717,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"AD16-22SM LED indicator with buzzer","_yoast_wpseo_title":"AD16-22SM 22mm Flash LED Indicator with Buzzer 220V AC %%page%% %%sep%% %%sitename%%","_yoast_wpseo_metadesc":"AD16-22SM 22mm flashing LED indicator with built-in piezo buzzer for 220V AC industrial control panels, steam boilers, water-level controllers and machinery.","_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_bctitle":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-title":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_twitter-title":"","_yoast_wpseo_twitter-description":"","_angie_page":false},"product_brand":[],"product_cat":[653,950],"product_tag":[2990,2993,2989,2987,2986,2997,2991,2999,2994,2988,3000,2992,2998,2995,2996],"class_list":["post-20738","product","type-product","status-publish","has-post-thumbnail","product_cat-uncategorized","product_cat-vacuum-table-and-boiler-parts","product_tag-220v-ac-indicator","product_tag-22mm-buzzer-indicator","product_tag-22mm-led-signal-light","product_tag-ad16-22mm-indicator","product_tag-ad16-22sm","product_tag-automatic-water-level-controller-indicator","product_tag-flashing-led-indicator","product_tag-industrial-control-panel-buzzer","product_tag-industrial-warning-light","product_tag-led-indicator-with-buzzer","product_tag-machine-warning-indicator","product_tag-panel-mount-buzzer","product_tag-sewing-machine-control-panel-indicator","product_tag-steam-boiler-alarm-light","product_tag-water-level-alarm-indicator","first","instock","sale","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - 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