{"product_id":"rab-lighting-swishair2x4-mvs-e-rab-swishair2x4-2x4-air-return-led-troffer-40w-selectable-cct-120-277v-microwave-sensor-battery-backup-recessed-white","title":"RAB SWISHAIR2X4\/MVS\/E SWISH AIR LED Troffer — 44W\/35W\/26W Selectable — 3500K\/4000K\/5000K — Microwave Sensor — Battery Backup — White","description":"\u003cp\u003e\u003cstrong\u003eRAB SWISHAIR2X4\/MVS\/E SWISH AIR LED Troffer — 44W\/35W\/26W Selectable — 3500K\/4000K\/5000K — Microwave Sensor — Battery Backup — White\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eThe \u003cstrong\u003eRAB SWISHAIR2X4\/MVS\/E\u003c\/strong\u003e is a 2×4 recessed LED air-return troffer with a factory-installed microwave occupancy sensor and integrated 90-minute emergency battery backup, designed for commercial T-grid ceilings requiring HVAC return-air functionality, occupancy-based energy control, and life-safety code compliance. Wattage is field-selectable between \u003cstrong\u003e44W\u003c\/strong\u003e (factory default), \u003cstrong\u003e35W\u003c\/strong\u003e, and \u003cstrong\u003e26W\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\u003e6,048 lumens\u003c\/strong\u003e at \u003cstrong\u003e44W \/ 4000K\u003c\/strong\u003e with a peak efficacy of \u003cstrong\u003e150.8 lm\/W\u003c\/strong\u003e at \u003cstrong\u003e26W \/ 4000K\u003c\/strong\u003e. The SWISHAIR2X4\/MVS\/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 2×4 troffer fixtures.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eSelectable Wattage:\u003c\/strong\u003e 44W \/ 35W \/ 26W — field-adjustable via built-in onboard switch, factory default 44W. No tools required.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWattage Equivalency:\u003c\/strong\u003e Replaces conventional fluorescent 2×4 troffer fixtures.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMaximum Lumen Output:\u003c\/strong\u003e 6,048 lm at 44W \/ 4000K.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003ePeak Efficacy:\u003c\/strong\u003e 150.8 lm\/W at 26W \/ 4000K.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCRI:\u003c\/strong\u003e 82–83 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 2×4 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\u003eMicrowave Sensor:\u003c\/strong\u003e Factory-installed MVS microwave sensor — detects motion through minor obstructions · detection range 20 ft diameter at 9 ft mounting height · max mounting height 9–12 ft.\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\u003e44W\u003c\/strong\u003e: \u003cstrong\u003e5,859 lm\u003c\/strong\u003e (3500K \/ 137.8 lm\/W), \u003cstrong\u003e6,048 lm\u003c\/strong\u003e (4000K \/ 147.0 lm\/W), \u003cstrong\u003e5,883 lm\u003c\/strong\u003e (5000K \/ 138.7 lm\/W). At \u003cstrong\u003e35W\u003c\/strong\u003e: \u003cstrong\u003e4,783 lm\u003c\/strong\u003e (3500K \/ 141.1 lm\/W), \u003cstrong\u003e4,903 lm\u003c\/strong\u003e (4000K \/ 148.9 lm\/W), \u003cstrong\u003e4,832 lm\u003c\/strong\u003e (5000K \/ 143.2 lm\/W). At \u003cstrong\u003e26W\u003c\/strong\u003e: \u003cstrong\u003e3,681 lm\u003c\/strong\u003e (3500K \/ 144.5 lm\/W), \u003cstrong\u003e3,758 lm\u003c\/strong\u003e (4000K \/ 150.8 lm\/W), \u003cstrong\u003e3,720 lm\u003c\/strong\u003e (5000K \/ 145.9 lm\/W).\u003c\/p\u003e \u003cp\u003eCRI 82–83 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 SWISHAIR2X4\/MVS\/E includes a factory-installed microwave occupancy sensor, 0–10V dimming, and integrated 90-minute emergency battery backup. The MVS sensor emits high-frequency microwave signals to detect fine motion through minor obstructions such as partitions and bathroom stalls. The battery backup activates automatically on power failure, maintaining illumination for safe egress. Battery Backup Light Loss Factor: \u003cstrong\u003e0.23\u003c\/strong\u003e. Requires an unswitched hot line to maintain charge. Sensor defaults: Motion Sensitivity High · 100% brightness when triggered · 20-min hold time · 20% standby dim · 1-min standby time · Daylight Disabled. Adjustable via MSR1 remote accessory (sold separately).\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\u003e99.9%\u003c\/strong\u003e at 120V \/ \u003cstrong\u003e96.3%\u003c\/strong\u003e at 277V. THD: \u003cstrong\u003e7.6%\u003c\/strong\u003e at 120V \/ \u003cstrong\u003e13.1%\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) · maximum ambient 104°F (40°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\u003e44W\u003c\/td\u003e \u003ctd\u003e0.34A\u003c\/td\u003e \u003ctd\u003e0.20A\u003c\/td\u003e \u003ctd\u003e0.17A\u003c\/td\u003e \u003ctd\u003e0.15A\u003c\/td\u003e \u003c\/tr\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\u003e0.12A\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 \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 2×4 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\u003e47¾\" × 23¾\"\u003c\/strong\u003e. Fixture depth: \u003cstrong\u003e\u003cspan\u003e1⁷⁄₁₆\"\u003c\/span\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 2×4 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. MVS sensor recommended mounting height: 9–12 ft.\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-1Y204R\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\u003eOpen-plan offices and partitioned workspaces — MVS sensor detects through obstructions for reliable occupancy control; air-return consolidates HVAC and lighting; 90-minute battery backup supports egress compliance\u003c\/li\u003e \u003cli\u003eRestrooms and locker rooms — microwave detection through stall partitions ensures accurate occupancy sensing; damp location rating and emergency backup meet safety code requirements\u003c\/li\u003e \u003cli\u003eHealthcare facilities and clinical spaces — 82–83 CRI, MVS sensor, and battery backup support reliable illumination and life-safety compliance during power events\u003c\/li\u003e \u003cli\u003eEducational institutions — selectable wattage, MVS detection, and emergency operation meet energy and safety code requirements for varied room layouts\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 \u003c\/ul\u003e \u003ch3\u003eWhat's Included\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRAB SWISHAIR2X4\/MVS\/E SWISH AIR LED Troffer — White\u003c\/li\u003e \u003cli\u003eFactory-installed microwave (MVS) occupancy sensor\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":"2x4 \/ With Vents \/ MVS+Battery","offer_id":67623356661914,"sku":"SWISHAIR2X4-MVS-E","price":196.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/9568\/9626\/files\/SWISHAIR2X4-MVS-E_100.jpg?v=1790781812","url":"https:\/\/coretarps.co.uk\/products\/rab-lighting-swishair2x4-mvs-e-rab-swishair2x4-2x4-air-return-led-troffer-40w-selectable-cct-120-277v-microwave-sensor-battery-backup-recessed-white","provider":"ELMBER TRADE LTD","version":"1.0","type":"link"}