{"product_id":"circ-300w16sx-new-led-corn-light","title":"300W16SX NEW LED CORN LIGHT 300W 5000K E39 100-277VAC PC COVER","description":"\u003ch2\u003e300W16SX New LED Corn Light 300W 5000K E39 100-277VAC PC Cover\u003c\/h2\u003e\n\u003cdiv class=\"paragraph\"\u003eBright light comes from the \u003ca class=\"\" rel=\"noreferrer nofollow noopener\" href=\"https:\/\/circlighting.com\/products\/circ-300w16sx-new-led-corn-light-300w-5000k-e39-100-277vac-pc-cover\" data-v-7bd7ca31=\"\" target=\"_blank\"\u003e300W16SX LED Corn Light\u003c\/a\u003e, built for big spaces needing strong output without high power use. This one runs on a 5000K shade of white, close to real daylight, helping visibility where it matters most. Instead of an ordinary socket, it uses an E39 fitting, making installation possible in heavy-duty fixtures. Factories often choose this type because it holds up under tall ceilings. Warehouses benefit too, since open areas gain clarity when lit evenly. Parking zones stay visible at night thanks to their steady beam. Large rooms indoors find enough coverage without adding extra units.\u003c\/div\u003e\n\u003cdiv class=\"paragraph\"\u003eA broad 100–277 VAC range lets it run steadily on different power setups. Without a fan, heat moves quietly through solid surfaces instead. Packed tight with conductive paste, the driver sheds warmth more effectively since it sits apart from the main unit.\u003c\/div\u003e\n\u003cdiv class=\"paragraph\"\u003eA wide 360-degree spread lets the 300W16SX fill spaces evenly, leaving no dark spots. Built with top-grade Rubycon parts, it runs steadily over time - while surviving strong power spikes up to 6,000 volts during testing.\u003c\/div\u003e\n\u003cdiv class=\"paragraph\"\u003eThis LED corn light carries approval from UL, cUL, ETL, cETL, CE, plus DLC - showing it lines up with key benchmarks for safe operation, output quality, and energy use.\u003c\/div\u003e\n\u003ch2\u003eImportant Features\u003c\/h2\u003e\n\u003cul start=\"1\"\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003eLED Corn Light - 300 Watts of High-output\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003eDaylight Colour Temperature - 5000K\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003eE39 Base for Easy Installation\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003ePC Protection Cover\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003e100-277VAC Wide Input Voltage\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003eSilent, Fanless Passive Cooling\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003eThermally Sealed Driver with Thermal Paste for Heat Dissipation Improvements\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003eOptimized Driver for Heat Dissipation\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003e360 Degree Beam Angle - Complete Area Illumination\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003e6-kV Surge Protection\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003ePremium Rubycon Capacitors\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003eUL, cUL, ETL, cETL, CE \u0026amp; DLC Approved\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"table markdown-table\" data-v-7bd7ca31=\"\" data-v-5d23a35d=\"\"\u003e\n\u003cheader class=\"table-actions\" data-v-5d23a35d=\"\"\u003e\u003c\/header\u003e\n\u003cdiv class=\"table markdown-table\" data-v-7bd7ca31=\"\" data-v-5d23a35d=\"\"\u003e\n\u003cdiv class=\"table-container\" data-v-5d23a35d=\"\"\u003e\n\u003ctable data-v-5d23a35d=\"\"\u003e\n\u003cthead data-v-5d23a35d=\"\"\u003e\n\u003ctr data-v-5d23a35d=\"\"\u003e\n\u003cth align=\"left\" data-v-5d23a35d=\"\"\u003eSpecification\u003c\/th\u003e\n\u003cth align=\"left\" data-v-5d23a35d=\"\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-v-5d23a35d=\"\"\u003e\n\u003ctr data-v-5d23a35d=\"\"\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eModel\u003c\/td\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eCIRC-CL-300W-16SX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-5d23a35d=\"\"\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003ePower Output\u003c\/td\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003e300W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-5d23a35d=\"\"\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eColor Temperature\u003c\/td\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003e5000K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-5d23a35d=\"\"\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eInput Voltage\u003c\/td\u003e\n\u003ctd class=\"\" align=\"left\" data-v-5d23a35d=\"\"\u003e100–277VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-5d23a35d=\"\"\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eBase Type\u003c\/td\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eE39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-5d23a35d=\"\"\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eBeam Angle\u003c\/td\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003e360°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-5d23a35d=\"\"\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eCooling Method\u003c\/td\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eFanless passive cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-5d23a35d=\"\"\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eDriver Protection\u003c\/td\u003e\n\u003ctd class=\"\" align=\"left\" data-v-5d23a35d=\"\"\u003eFully sealed with thermal paste\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-5d23a35d=\"\"\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eSurge Protection\u003c\/td\u003e\n\u003ctd class=\"\" align=\"left\" data-v-5d23a35d=\"\"\u003e6KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-5d23a35d=\"\"\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eCapacitors\u003c\/td\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eRubycon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-5d23a35d=\"\"\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eCover\u003c\/td\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003ePC Cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-5d23a35d=\"\"\u003e\n\u003ctd align=\"left\" data-v-5d23a35d=\"\"\u003eCertifications\u003c\/td\u003e\n\u003ctd class=\"\" align=\"left\" data-v-5d23a35d=\"\"\u003eUL, cUL, ETL, cETL, CE, DLC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eCan be Applied In\u003c\/h2\u003e\n\u003cul start=\"1\"\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003eWarehouses and Factories\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003eHigh Bay \u0026amp; Industrial Lighting\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003eGarages and Outdoor Canopies\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003eCommercial Retrofits\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003eLocations with High Output and Energy Efficient Lighting\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"\"\u003eReasons for Selecting LED Corn Lights\u003c\/h2\u003e\n\u003cdiv class=\"paragraph\"\u003eLED Corn Light provides a combination of excellent brightness, energy savings, and long life. The 300W16SX is the perfect fixture for commercial and industrial buildings by providing long-lasting life, passive cooling, and quality materials for reliable operation.\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul start=\"1\"\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003e\u003ca class=\"\" rel=\"noreferrer nofollow noopener\" href=\"https:\/\/circlighting.com\/products\/circ-80w-led-retrofit-corn-bulbs-light-e39\" data-v-7bd7ca31=\"\" target=\"_blank\"\u003eCIRC 80W LED Retrofit Corn Bulbs Light E39\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"paragraph\"\u003e\u003ca class=\"\" rel=\"noreferrer nofollow noopener\" href=\"https:\/\/circlighting.com\/products\/circ-125w-led-retrofit-corn-bulbs-light-e39\" data-v-7bd7ca31=\"\" target=\"_blank\"\u003eCIRC 125W LED Retrofit Corn Bulbs Light E39\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e300 watts - what did that used to take in old technology?\u003c\/h3\u003e\n\u003cdiv class=\"paragraph\"\u003eRoughly 1000-watt metal halide or 1500-watt high-pressure sodium. The LED spreads light in all directions while HID focuses in a box pattern, so ground-level illumination ends up comparable despite the wattage gap. Plus no warm-up, no restrike delay, no color shift to orange as the lamp ages. Maintenance crews stop climbing lifts every 12 months.\u003c\/div\u003e\n\u003ch3\u003eFanless at 300W - how is that even possible?\u003c\/h3\u003e\n\u003cdiv class=\"paragraph\"\u003eMassive heat sink surface area and conductive grease between isolated driver and housing. The 16SX designation suggests a larger diameter than 9S or 12S siblings. Passive cooling works when you have room to radiate. Fixture must have some airflow - sealed housings cook any bulb eventually. But no moving parts means no bearing wear, no dust clogging, no noise.\u003c\/div\u003e\n\u003ch3\u003eE39 mogul base - anything bigger exist?\u003c\/h3\u003e\n\u003cdiv class=\"paragraph\"\u003eE40, rarely seen in North America. E39 covers virtually all commercial and industrial sockets. The 300W pulls serious current, so wiring and socket must be rated appropriately. Just because the base fits doesn't mean the fixture can handle the thermal or electrical load. Check ratings before retrofitting.\u003c\/div\u003e\n\u003ch3\u003e5000K daylight - any warmer options at 300W?\u003c\/h3\u003e\n\u003cdiv class=\"paragraph\"\u003eCommercial and industrial applications overwhelmingly want 5000K for alertness and visibility. Street lighting sometimes uses 4000K or 3000K for residential areas, but warehouses, factories, parking lots - all want the blue-white punch of daylight. Color rendering and perceived brightness both favor cooler temperatures for task and safety lighting.\u003c\/div\u003e\n\u003ch3\u003e6KV surge - lightning protection?\u003c\/h3\u003e\n\u003cdiv class=\"paragraph\"\u003eIndirectly. Direct strikes vaporize anything. But induced surges from nearby strikes, utility switching, large motor loads - 6KV handles those. Industrial zones with welding equipment or big HVAC systems generate electrical noise. The 300W investment deserves protection against invisible threats that kill cheaper electronics.\u003c\/div\u003e\n\u003ch3\u003eRubycon capacitors - same as smaller corn lights?\u003c\/h3\u003e\n\u003cdiv class=\"paragraph\"\u003eSame philosophy, scaled for 300W thermal stress. Capacitor failure is the leading driver death mode. Premium parts rated for 105°C operation with long life ratings. At 300W, component quality matters more than at 27W. The manufacturer didn't cheap out on the flagship wattage.\u003c\/div\u003e\n\u003ch3\u003e100-277V - my facility has 480V?\u003c\/h3\u003e\n\u003cdiv class=\"paragraph\"\u003e480V three-phase wye gives 277V line-to-neutral. This bulb handles 277V nominal, which is the standard commercial high-leg. True 480V single-phase or delta services need different gear. Know your building's electrical service type before specifying. The wide range helps, but 277V is the ceiling.\u003c\/div\u003e\n\u003ch3 class=\"\"\u003ePC cover - glass would melt?\u003c\/h3\u003e\n\u003cdiv class=\"paragraph\"\u003eAt 300W, glass thermal shock risk is real. Polycarbonate handles temperature swings better and won't shatter from impact. Slight lumen loss versus bare LEDs, but safety and durability win. Cover diffuses the intense point sources into a more uniform glow. Workers can look up without spots in their vision.\u003c\/div\u003e\n\u003ch3\u003e360-degree beam - waste or feature?\u003c\/h3\u003e\n\u003cdiv class=\"paragraph\"\u003eDepends on fixture. Shoeboxes and wall packs have reflectors that capture upward light and redirect it. High bays with open bottoms benefit from the omnidirectional throw. Some waste occurs versus directional LEDs, but retrofit simplicity often trumps perfect efficiency. One screw-in replacement versus rewiring for new fixtures.\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"CIRC","offers":[{"title":"250W \/ Polished Nickel","offer_id":61651724337522,"sku":null,"price":354.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/6322\/9554\/files\/Untitled_design_5.png?v=1773161986","url":"https:\/\/circlighting.com\/products\/circ-300w16sx-new-led-corn-light","provider":"Circ Lighting","version":"1.0","type":"link"}