{"product_id":"rab-lighting-swishair1x4-e-rab-swishair1x4-e-1x4-air-return-led-troffer-30w-selectable-selectable-cct-120-277v-battery-backup-recessed-white","title":"RAB SWISHAIR1X4\/E SWISH AIR LED Troffer — 35W\/26W\/18W Selectable — 3500K\/4000K\/5000K — Battery Backup — White","description":"\u003cp\u003e\u003cstrong\u003eRAB SWISHAIR1X4\/E SWISH AIR LED Troffer — 35W\/26W\/18W Selectable — 3500K\/4000K\/5000K — Battery Backup — White\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eThe \u003cstrong\u003eRAB SWISHAIR1X4\/E\u003c\/strong\u003e is a 1×4 recessed LED air-return troffer with integrated 90-minute emergency battery backup, designed for commercial T-grid ceilings requiring integrated HVAC return-air functionality and life-safety code compliance. Wattage is field-selectable between \u003cstrong\u003e35W\u003c\/strong\u003e (factory default), \u003cstrong\u003e26W\u003c\/strong\u003e, and \u003cstrong\u003e18W\u003c\/strong\u003e, and CCT is field-selectable between \u003cstrong\u003e3500K\u003c\/strong\u003e, \u003cstrong\u003e4000K\u003c\/strong\u003e (factory default), and \u003cstrong\u003e5000K\u003c\/strong\u003e — both via onboard switch, no tools required. At peak output, the fixture delivers \u003cstrong\u003e4,923 lumens\u003c\/strong\u003e at \u003cstrong\u003e35W \/ 4000K\u003c\/strong\u003e with a peak efficacy of \u003cstrong\u003e153.0 lm\/W\u003c\/strong\u003e at \u003cstrong\u003e18W \/ 4000K\u003c\/strong\u003e. The SWISHAIR1X4\/E operates on \u003cstrong\u003e120–277V\u003c\/strong\u003e with a \u003cstrong\u003e0–10V dimming\u003c\/strong\u003e driver and is \u003cstrong\u003eUL Listed for dry and damp locations\u003c\/strong\u003e and \u003cstrong\u003eDLC 5.1 Listed as Ultra-Efficient Premium\u003c\/strong\u003e. Replaces conventional fluorescent 1×4 troffer fixtures.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eSelectable Wattage:\u003c\/strong\u003e 35W \/ 26W \/ 18W — field-adjustable via built-in onboard switch, factory default 35W. No tools required.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWattage Equivalency:\u003c\/strong\u003e Replaces conventional fluorescent 1×4 troffer fixtures.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMaximum Lumen Output:\u003c\/strong\u003e 4,923 lm at 35W \/ 4000K.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003ePeak Efficacy:\u003c\/strong\u003e 153.0 lm\/W at 18W \/ 4000K.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCRI:\u003c\/strong\u003e 81–84 across all wattage and CCT configurations.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSelectable CCT:\u003c\/strong\u003e 3500K \/ 4000K \/ 5000K — field-adjustable via built-in onboard switch, factory default 4000K. No tools required.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAir Return Integration:\u003c\/strong\u003e SWISHAIR vented design allows the fixture to serve as a ceiling-integrated HVAC return-air diffuser — eliminates a separate return-air grille in the same 1×4 grid opening.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDimming:\u003c\/strong\u003e 0–10V dimming driver — dims to 10% minimum.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eVoltage \u0026amp; Driver:\u003c\/strong\u003e Class 2 constant current, 120–277V, 50\/60Hz.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLocation Rating:\u003c\/strong\u003e UL Listed for dry and damp locations.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −4°F (−20°C) minimum standard · 41°F (5°C) minimum with battery backup · 104°F (40°C) maximum ambient.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCertifications:\u003c\/strong\u003e UL Listed (dry and damp) · DLC 5.1 Ultra-Efficient Premium.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRated Life:\u003c\/strong\u003e 100,000 hours per IES LM-80 \/ TM-21.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWarranty:\u003c\/strong\u003e 5-year RAB warranty — covers light output, color stability, driver performance, and fixture finish.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eBattery Backup:\u003c\/strong\u003e 90-minute emergency operation on power failure · wired 120–277V · Battery Backup Light Loss Factor: 0.23 · minimum starting temperature 41°F (5°C). Requires unswitched hot line to maintain charge.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003ePerformance \u0026amp; Light Output\u003c\/h3\u003e \u003cp\u003eAt \u003cstrong\u003e35W\u003c\/strong\u003e: \u003cstrong\u003e4,715 lm\u003c\/strong\u003e (3500K \/ 137.3 lm\/W), \u003cstrong\u003e4,923 lm\u003c\/strong\u003e (4000K \/ 146.9 lm\/W), \u003cstrong\u003e4,887 lm\u003c\/strong\u003e (5000K \/ 141.6 lm\/W). At \u003cstrong\u003e26W\u003c\/strong\u003e: \u003cstrong\u003e3,589 lm\u003c\/strong\u003e (3500K \/ 142.5 lm\/W), \u003cstrong\u003e3,716 lm\u003c\/strong\u003e (4000K \/ 150.7 lm\/W), \u003cstrong\u003e3,719 lm\u003c\/strong\u003e (5000K \/ 147.0 lm\/W). At \u003cstrong\u003e18W\u003c\/strong\u003e: \u003cstrong\u003e2,455 lm\u003c\/strong\u003e (3500K \/ 145.0 lm\/W), \u003cstrong\u003e2,559 lm\u003c\/strong\u003e (4000K \/ 153.0 lm\/W), \u003cstrong\u003e2,584 lm\u003c\/strong\u003e (5000K \/ 151.1 lm\/W).\u003c\/p\u003e \u003cp\u003eCRI 81–84 across all wattage and CCT settings. Rated life \u003cstrong\u003e100,000 hours (L70)\u003c\/strong\u003e per IES LM-80 \/ TM-21.\u003c\/p\u003e \u003ch3\u003eSmart \u0026amp; Control Features\u003c\/h3\u003e \u003cp\u003eThe SWISHAIR1X4\/E supports 0–10V dimming as standard. The integrated 90-minute battery backup activates automatically on power failure, maintaining fixture illumination for safe egress. Battery Backup Light Loss Factor: \u003cstrong\u003e0.23\u003c\/strong\u003e. Requires an unswitched hot line to maintain charge. Battery backup can be combined with sensor options (\/PIR\/E, \/MVS\/E suffix SKUs).\u003c\/p\u003e \u003ch3\u003eElectrical\u003c\/h3\u003e \u003cp\u003eClass 2 constant current driver. Input: \u003cstrong\u003e120–277V\u003c\/strong\u003e, 50\/60Hz. Power Factor: \u003cstrong\u003e99.6%\u003c\/strong\u003e at 120V \/ \u003cstrong\u003e95.1%\u003c\/strong\u003e at 277V. THD: \u003cstrong\u003e6.6%\u003c\/strong\u003e at 120V \/ \u003cstrong\u003e12.5%\u003c\/strong\u003e at 277V. Surge protection: 2kV L-L \/ 2kV L-N-G. Dimming: 0–10V, dims to 10% minimum. Battery backup: 90-minute emergency operation · wired 120–277V · BLLF: 0.23 · minimum starting temperature 41°F (5°C). Mercury-free, UV-free, RoHS compliant.\u003c\/p\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eWattage\u003c\/th\u003e \u003cth\u003e120V\u003c\/th\u003e \u003cth\u003e208V\u003c\/th\u003e \u003cth\u003e240V\u003c\/th\u003e \u003cth\u003e277V\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e35W\u003c\/td\u003e \u003ctd\u003e0.28A\u003c\/td\u003e \u003ctd\u003e0.16A\u003c\/td\u003e \u003ctd\u003e0.14A\u003c\/td\u003e \u003ctd\u003e0.13A\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e26W\u003c\/td\u003e \u003ctd\u003e0.21A\u003c\/td\u003e \u003ctd\u003e0.12A\u003c\/td\u003e \u003ctd\u003e0.10A\u003c\/td\u003e \u003ctd\u003e0.10A\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e18W\u003c\/td\u003e \u003ctd\u003e0.14A\u003c\/td\u003e \u003ctd\u003e0.08A\u003c\/td\u003e \u003ctd\u003e0.07A\u003c\/td\u003e \u003ctd\u003e0.07A\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eConstruction\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eHousing \u0026amp; Thermal:\u003c\/strong\u003e Cold Rolled Carbon Steel Sheets and Strip (SPCC) housing construction.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eLens \u0026amp; Optics:\u003c\/strong\u003e Diffused polystyrene lens panel for uniform, glare-controlled illumination across the full 1×4 grid opening.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e White — formulated for high durability and long-lasting color.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eEnvironmental \u0026amp; Safety:\u003c\/strong\u003e UL Listed for dry and damp locations. Mercury-free, UV-free, RoHS compliant. Operating range: −4°F (−20°C) standard minimum \/ 41°F (5°C) minimum with battery backup · 104°F (40°C) maximum ambient.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eDimensions \u0026amp; Weight:\u003c\/strong\u003e Ceiling opening: \u003cstrong\u003e42¹¹⁄₁₆\" × 11¹⁵⁄₁₆\"\u003c\/strong\u003e. Fixture depth: \u003cstrong\u003e\u003cspan\u003e1⁷⁄₁₆\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\"\u003c\/strong\u003e. Weight: \u003cstrong\u003e10 lbs\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eInstallation \u0026amp; Mounting\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eStandard Hardware:\u003c\/strong\u003e Mounting hardware included for recessed T-grid ceiling installation.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eMounting Options:\u003c\/strong\u003e Recessed into standard 1×4 T-grid ceiling systems. Recommended ceiling height: 8–12 ft. SWISHAIR vented body serves as the return-air diffuser — coordinate with HVAC layout during installation.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWiring:\u003c\/strong\u003e An unswitched hot line must be connected to maintain battery charge. Wattage and CCT selections should be confirmed prior to installation. Minimum starting temperature with battery backup: 41°F (5°C).\u003c\/p\u003e \u003ch3\u003eCertifications \u0026amp; Rebates\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eUL Listed\u003c\/strong\u003e — dry and damp locations\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDLC 5.1 Ultra-Efficient Premium\u003c\/strong\u003e — qualifies for the highest tier of utility rebate programs from DLC Member Utilities. To verify rebate eligibility with your utility provider, visit designlights.org and search catalog number \u003cstrong\u003eS-RV80FX\u003c\/strong\u003e.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eTAA Compliant\u003c\/strong\u003e — eligible for U.S. government and GSA procurement\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRoHS Compliant\u003c\/strong\u003e — mercury-free, UV-free\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTypical Applications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCommercial egress corridors and circulation paths — air-return integration consolidates HVAC and lighting in a single 1×4 grid opening; 90-minute battery backup supports life-safety compliance on power failure\u003c\/li\u003e \u003cli\u003eHealthcare facilities and clinical spaces — damp location rating, 81–84 CRI, and emergency backup support reliable illumination during power events\u003c\/li\u003e \u003cli\u003eEducational institutions — selectable wattage and emergency operation meet both energy and life-safety code requirements\u003c\/li\u003e \u003cli\u003eGovernment and institutional buildings — TAA Compliant and DLC 5.1 Ultra-Efficient Premium qualify for GSA procurement and highest-tier utility rebates\u003c\/li\u003e \u003cli\u003eRetail environments and lobbies — selectable 3500K–5000K CCT adapts to varied display and ambient lighting needs while maintaining emergency coverage\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eWhat's Included\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRAB SWISHAIR1X4\/E SWISH AIR LED Troffer — White\u003c\/li\u003e \u003cli\u003eIntegrated 90-minute emergency battery backup unit\u003c\/li\u003e \u003cli\u003eMounting hardware for recessed T-grid installation\u003c\/li\u003e \u003c\/ul\u003e","brand":"RAB Lighting","offers":[{"title":"1x4 \/ With Vents \/ Battery","offer_id":67623357743258,"sku":"SWISHAIR1X4-E","price":150.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/9568\/9626\/files\/SWISHAIR1X4-E_100.jpg?v=1790781816","url":"https:\/\/coretarps.co.uk\/products\/rab-lighting-swishair1x4-e-rab-swishair1x4-e-1x4-air-return-led-troffer-30w-selectable-selectable-cct-120-277v-battery-backup-recessed-white","provider":"ELMBER TRADE LTD","version":"1.0","type":"link"}