{"product_id":"gl-hb11-300w-l","title":"Gielight GL-HB11 4ft LED Linear High Bay 255-300W","description":"\u003cp\u003e4ft linear high bay, three selectable wattages from 255W to 300W. Integrated stamping build. Note this is a different fixture from the GL-HB11-320W-L despite the near-identical name — different wattage tiers, different driver efficiency, its own spec sheet.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3 selectable wattages (255\/275\/300W), 2 selectable CCTs\u003c\/li\u003e\n\u003cli\u003eUL Listed under file E503399\u003c\/li\u003e\n\u003cli\u003eLM79 and LM80 tested\u003c\/li\u003e\n\u003cli\u003eUGR \u0026lt; 28\u003c\/li\u003e\n\u003cli\u003ePF \u0026gt; 0.95, driver efficiency \u0026gt; 92%\u003c\/li\u003e\n\u003cli\u003e5-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cdiv style=\"margin:4px 0 14px;border-top:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eWattage\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003e255 \/ 275 \/ 300 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eLumens\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003e35,700 – 42,000 lm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eEfficacy\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003eup to 140 lm\/W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eColour temperature\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003e4000K \/ 5000K\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eVoltage\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003e120–277V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eDimming\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003e47.76\" x 11.02\" x 1.89\" (1213 x 280 x 48mm)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eWarranty\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003e5-year limited warranty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eCRI\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003eRa \u0026gt; 80\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003ePower factor\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003e\u0026gt; 0.95\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eTHD\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003e\u0026lt; 20%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eDriver efficiency\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003e\u0026gt; 92%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eInput current\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003e2.5A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003e47.76\" x 11.02\" x 1.89\" (1213 x 280 x 48mm)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eLumens\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003ecalculated from rated efficacy\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;gap:12px;padding:7px 0;border-bottom:1px solid rgba(128,128,128,.22)\"\u003e\n\u003cdiv style=\"flex:0 0 42%;color:#666\"\u003eSensor jack\u003c\/div\u003e\n\u003cdiv style=\"flex:1;font-weight:600\"\u003eThis fixture takes 3.5mm-jack sensor heads. Only 3.5mm parts are offered here — a 2.5mm head will not seat in this base. The size comes from the models this fixture's own spec sheet names.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003ch4\u003eConstruction\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIntegrated stamping design with a light-transmittance PC cover\u003c\/li\u003e\n\u003cli\u003eUGR \u0026lt; 28\u003c\/li\u003e\n\u003cli\u003eHanging installation on Y-shape stainless steel rope\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eElectrical\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0-10V dimming, flicker free\u003c\/li\u003e\n\u003cli\u003ePF \u0026gt; 0.95, driver efficiency \u0026gt; 92%, THD \u0026lt; 20%\u003c\/li\u003e\n\u003cli\u003eWatt tunable on Switch 1, CCT tunable on Switch 2\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eInstallation\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSuspended from ceiling hooks through the slotted holes\u003c\/li\u003e\n\u003cli\u003eSensor fits under the dust-proof cover\u003c\/li\u003e\n\u003cli\u003eEmergency battery can be added at the factory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eIdeal applications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWarehouses\u003c\/li\u003e\n\u003cli\u003eDistribution centres\u003c\/li\u003e\n\u003cli\u003eManufacturing\u003c\/li\u003e\n\u003cli\u003eGymnasiums\u003c\/li\u003e\n\u003cli\u003eHangars\u003c\/li\u003e\n\u003cli\u003eBig-box retail\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eSource: Gielight price list, 13 July 2026\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eDownloads\u003c\/h4\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0787\/9563\/6969\/files\/Gielight-300W-4ft-Linear-High-Bay.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSpec sheet (PDF) — Gielight-300W-4ft-Linear-High-Bay.pdf\u003c\/a\u003e\u003c\/p\u003e","brand":"Gielight","offers":[{"title":"Default Title","offer_id":51678370955497,"sku":"GL-HB11-300W-L","price":90.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9563\/6969\/files\/6_4bc8d133-7a1f-4880-b484-b4241ba775a4.png?v=1787789948","url":"https:\/\/www.lightituponline.com\/products\/gl-hb11-300w-l","provider":"Light It Up Online","version":"1.0","type":"link"}