{"product_id":"16mm-panel-led-power-electronic-indicator-pilot-signal-light-lamp-ac-dc-12v-24v-110v-220v-380v-red-green-yellow-blue-white-led","title":"16mm Panel Mount LED Indicator Light AD16-16DS 12V 24V 110V 220V 380V Red Green Blue Yellow White Pilot Signal Lamp","description":"\u003carticle\u003e\n\n  \u003csection aria-labelledby=\"answer-block\"\u003e\n    \u003cp\u003e\u003cstrong\u003eThis is a fixed 16 mm panel-mount LED indicator lamp, available in five colors and five voltages, ideal for compact instrument panels and small enclosures where 22 mm cutouts are too large.\u003c\/strong\u003e Drop-in replacement for AD16-16DS form factor, current draw under 20 mA, CE certified PC body.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection aria-labelledby=\"description\"\u003e\n    \u003ch2 id=\"description\"\u003eProduct Description\u003c\/h2\u003e\n    \u003cp\u003eThis is a panel-mount LED pilot indicator with a fixed 16 mm mounting cutout diameter, intended for compact control panels, instrument enclosures, and small DIY projects where the larger 22 mm or 30 mm panel sizes are too big. The lamp is a single-purpose device: drill or punch a 16 mm round hole in your panel, drop the lamp through, secure with the threaded ring on the back, and wire to your selected voltage rail.\u003c\/p\u003e\n    \u003cp\u003eFive voltage variants are available (12 V DC, 24 V DC, 110 V AC, 220 V AC, 380 V AC) and five colors (red, green, blue, yellow, white). Each voltage variant ships with the appropriate driver circuitry built in, so no external resistor or current limiter is needed. Body is PC plastic with a CE-certification mark, and the LED draws under 20 mA, which means a single panel can host dozens of these without meaningful current budget impact.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection aria-labelledby=\"benefits\"\u003e\n    \u003ch2 id=\"benefits\"\u003eKey Benefits\u003c\/h2\u003e\n    \u003cul\u003e\n      \u003cli\u003eFixed 16 mm cutout fits compact panels where 22 mm is too large\u003c\/li\u003e\n      \u003cli\u003eFive voltage options (12 V \/ 24 V \/ 110 V \/ 220 V \/ 380 V) cover logic to mains use\u003c\/li\u003e\n      \u003cli\u003eFive colors follow IEC 60073 indicator conventions for stop, go, warning, info, reset\u003c\/li\u003e\n      \u003cli\u003eBuilt-in driver circuit — no external resistor required\u003c\/li\u003e\n      \u003cli\u003eSub-20 mA current draw makes multi-lamp panels practical\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection aria-labelledby=\"features\"\u003e\n    \u003ch2 id=\"features\"\u003eKey Features\u003c\/h2\u003e\n    \u003cp\u003eThe defining feature is the dedicated 16 mm panel cutout sizing. Many DIY enclosures (project boxes, instrument cases, small control consoles) come pre-drilled or pre-punched at 16 mm because that is the most common compact panel cutout standard alongside 22 mm. Choosing this fixed-size variant means you do not pay for the multi-size variant kit and you get a precision fit straight out of the package. The PC plastic body is dimensionally consistent across batches, so panel cutouts that fit one of these will fit replacements indefinitely.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection aria-labelledby=\"specs\"\u003e\n    \u003ch2 id=\"specs\"\u003eTechnical Specifications\u003c\/h2\u003e\n    \u003cp\u003eThe defining parameters are the fixed 16 mm panel cutout, the five-voltage variant matrix, and the sub-20 mA LED current draw. Full specs below.\u003c\/p\u003e\n    \u003ctable\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n\u003cth scope=\"col\"\u003eParameter\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n      \u003ctr\u003e\n\u003cth scope=\"row\"\u003ePanel cutout diameter\u003c\/th\u003e\n\u003ctd\u003e16 mm (fixed, not adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth scope=\"row\"\u003eOperating voltage\u003c\/th\u003e\n\u003ctd\u003e12 V DC, 24 V DC, 110 V AC, 220 V AC, or 380 V AC (selectable per variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth scope=\"row\"\u003eLED color\u003c\/th\u003e\n\u003ctd\u003eRed, green, blue, yellow, or white (selectable per variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth scope=\"row\"\u003eOperating current\u003c\/th\u003e\n\u003ctd\u003e≤ 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth scope=\"row\"\u003eLight source\u003c\/th\u003e\n\u003ctd\u003eSolid-state LED with integrated driver\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth scope=\"row\"\u003eBody material\u003c\/th\u003e\n\u003ctd\u003ePC (polycarbonate)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth scope=\"row\"\u003eMounting type\u003c\/th\u003e\n\u003ctd\u003ePanel-mount with threaded back ring\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth scope=\"row\"\u003eForm factor\u003c\/th\u003e\n\u003ctd\u003eAD16-16DS standard\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth scope=\"row\"\u003eCertification\u003c\/th\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth scope=\"row\"\u003eInternal SKU\u003c\/th\u003e\n\u003ctd\u003e54G-IND-LED-002\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003cp\u003e\u003cem\u003eTechnical data sourced from manufacturer documentation.\u003c\/em\u003e\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection aria-labelledby=\"package\"\u003e\n    \u003ch2 id=\"package\"\u003eWhat's Included\u003c\/h2\u003e\n    \u003cul\u003e\n      \u003cli\u003e1 x 16 mm panel-mount LED indicator lamp (per selected color and voltage variant)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection aria-labelledby=\"compat\"\u003e\n    \u003ch2 id=\"compat\"\u003eCompatibility \u0026amp; Applications\u003c\/h2\u003e\n    \u003cp\u003eThis indicator fits any panel or enclosure with a 16 mm circular cutout, paired with a power source matching the selected variant voltage. Typical applications include:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eCompact instrument panels (handhelds, bench meters, audio gear)\u003c\/li\u003e\n      \u003cli\u003eSmall control panels for DIY power supplies and automation projects\u003c\/li\u003e\n      \u003cli\u003eDistribution panel \"power on\" or \"breaker tripped\" indicators\u003c\/li\u003e\n      \u003cli\u003eEducational electronics kits and student projects\u003c\/li\u003e\n      \u003cli\u003eReplacement lamps for legacy AD16-16DS form-factor installations\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003e\u003cstrong\u003eNot compatible with:\u003c\/strong\u003e 22 mm or larger panel cutouts, voltages outside the 12\/24\/110\/220\/380 V supported set, fully submerged use (the housing is not rated IP67\/IP68), or applications requiring more than 20 mA per lamp.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection aria-labelledby=\"trust\"\u003e\n    \u003ch2 id=\"trust\"\u003eWhy Trust Us\u003c\/h2\u003e\n    \u003cp\u003eOperated for 5+ years across 35+ countries by a UK-incorporated company specializing in renewable energy and small-electronics components. Every order ships with tracked delivery, a 30-day return window, and a manufacturer-backed warranty against defects. Technical questions are answered by email at \u003ca href=\"mailto:info@54energy.net\"\u003einfo@54energy.net\u003c\/a\u003e. \u003cem\u003eLast updated: May 2026.\u003c\/em\u003e\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection aria-labelledby=\"faq\"\u003e\n    \u003ch2 id=\"faq\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n    \u003ch3\u003eCan I use this lamp in a 22 mm cutout?\u003c\/h3\u003e\n    \u003cp\u003eNo. The mounting threads, body diameter, and back ring are all sized specifically for a 16 mm panel cutout. For 22 mm cutouts you need a 22 mm variant. If your panel is unmarked, measure the existing hole with a caliper before ordering.\u003c\/p\u003e\n\n    \u003ch3\u003eDo I need a current-limiting resistor?\u003c\/h3\u003e\n    \u003cp\u003eNo. Each voltage variant ships with the appropriate driver circuitry built in. Wire it directly to your selected voltage rail. Make sure the variant voltage exactly matches your supply — a 12 V variant on a 24 V rail will fail; a 24 V variant on a 12 V rail will be too dim or not light at all.\u003c\/p\u003e\n\n    \u003ch3\u003eWhat does AD16-16DS mean?\u003c\/h3\u003e\n    \u003cp\u003eAD16-16DS is the industry-standard form-factor designation for a 16 mm panel-mount LED indicator. The \"AD16\" denotes the family, \"16\" the cutout diameter, and \"DS\" the LED variant. This product follows that standard, so it is dimensionally interchangeable with any other AD16-16DS lamp.\u003c\/p\u003e\n\n    \u003ch3\u003eHow fast does shipping take?\u003c\/h3\u003e\n    \u003cp\u003eOrders are dispatched from regional fulfillment partners in North America, Europe, and Asia. Typical delivery is 5 to 15 business days depending on destination country, with tracked shipping included. Specific timelines per destination are listed in the Shipping Policy.\u003c\/p\u003e\n\n    \u003ch3\u003eHow does this 16 mm indicator compare to others in its category?\u003c\/h3\u003e\n    \u003cp\u003eWithin the 16 mm panel indicator category, the meaningful comparison points are voltage range, color range, and form-factor compatibility. This product offers five voltages, five colors, and standard AD16-16DS dimensions — the configuration that fits the largest installed base of compact-panel applications and drives the lowest return rate within our control-component category.\u003c\/p\u003e\n\n    \u003ch3\u003eCan I request a quote or estimate?\u003c\/h3\u003e\n    \u003cp\u003eNo need to request quotes or estimates. You can purchase all products online directly on our website. Accepted payment methods are credit card, debit card, and Apple Pay, processed securely via Stripe.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection aria-labelledby=\"images\"\u003e\n    \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S117289ac26e44e8fbe29fd26454debb0i.jpg\" alt=\"16mm Panel LED Indicator Five Voltages Five Colors - product view 1\" fetchpriority=\"high\" style=\"max-width:100%;height:auto;\"\u003e\n    \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sd76262c2a53d49cba74530328144fb071.jpg\" alt=\"16mm Panel LED Indicator Five Voltages Five Colors - product view 2\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\n    \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Secfb1ee780ae4c518d673750c39a10caN.jpg\" alt=\"16mm Panel LED Indicator Five Voltages Five Colors - product view 3\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\n    \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S712bc1b282614274b3a60d206c10859fQ.jpg\" alt=\"16mm Panel LED Indicator Five Voltages Five Colors - product view 4\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\n  \u003c\/section\u003e\n\n\u003c\/article\u003e\n\n\u003c!-- Schema.org JSON-LD per Jorge300 Block 14 + 25 --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"16mm Panel Mount LED Indicator Light AD16-16DS 12V 24V 110V 220V 380V Red Green Blue Yellow White Pilot Signal Lamp\",\"description\":\"16mm panel-mount LED pilot lamp, fixed cutout, 5 voltage variants (12V-380V), 5 colors. 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For 22 mm cutouts you need a 22 mm variant. If your panel is unmarked, measure the existing hole with a caliper before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a current-limiting resistor?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Each voltage variant ships with the appropriate driver circuitry built in. Wire it directly to your selected voltage rail. Make sure the variant voltage exactly matches your supply - a 12 V variant on a 24 V rail will fail; a 24 V variant on a 12 V rail will be too dim or not light at all.\"}},{\"@type\":\"Question\",\"name\":\"What does AD16-16DS mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"AD16-16DS is the industry-standard form-factor designation for a 16 mm panel-mount LED indicator. The AD16 denotes the family, 16 the cutout diameter, and DS the LED variant. 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