{"product_id":"rab-swishfa-field-adjustable-center-basket-troffer","title":"RAB Lighting SWISHFA Field Adjustable Center Basket LED Troffer, 1x4 \/ 2x2 \/ 2x4, 19-49W Selectable, 3500K\/4000K\/5000K, Up to 5882lm, 120-277V, Standard \u0026 Battery Backup, White","description":"\u003ch3\u003eRAB Lighting SWISHFA Field Adjustable Center Basket LED Troffer — 1x4, 2x2 \u0026amp; 2x4, Selectable Wattage \u0026amp; CCT, Standard \u0026amp; Battery Backup, 120-277V, White\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eRAB Lighting SWISHFA\u003c\/strong\u003e is a premium, volumetric \u003cstrong\u003ecenter-basket LED troffer\u003c\/strong\u003e engineered for modern commercial drop ceilings where architectural aesthetics and performance flexibility are both required. Available in three sizes — \u003cstrong\u003e1x4 (SWISHFA1X4-D10)\u003c\/strong\u003e, \u003cstrong\u003e2x2 (SWISHFA2X2-D10)\u003c\/strong\u003e, and \u003cstrong\u003e2x4 (SWISHFA2X4-D10)\u003c\/strong\u003e — and in both \u003cstrong\u003eStandard\u003c\/strong\u003e and \u003cstrong\u003eBattery Backup (-E2)\u003c\/strong\u003e configurations, all models feature field-selectable wattage, selectable \u003cstrong\u003e3500K\/4000K\/5000K\u003c\/strong\u003e CCT, and 0-10V dimming on a universal \u003cstrong\u003e120-277V\u003c\/strong\u003e input. The distinctive \u003cstrong\u003e4” deep center-basket profile\u003c\/strong\u003e with a frosted polycarbonate lens delivers smooth, volumetric illumination that eliminates the flat appearance of standard troffers. All models are \u003cstrong\u003eIC rated\u003c\/strong\u003e for direct insulation contact, feature integral T-grid mounting clips, and carry a 100,000-hour L70 lifespan. Battery Backup models add an integrated \u003cstrong\u003e90-minute emergency system\u003c\/strong\u003e with a built-in test button for NEC\/IBC-compliant egress lighting.\u003c\/p\u003e\u003ch3\u003eRAB SWISHFA Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter-Basket Volumetric Profile:\u003c\/strong\u003e The 4” deep center-basket design with frosted polycarbonate lens creates smooth, three-dimensional illumination — eliminating the flat, harsh appearance of standard flat-panel troffers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Selectable Wattage:\u003c\/strong\u003e 1x4 \u0026amp; 2x2: 39W\/29W\/19W; 2x4: 49W\/39W\/29W — set on-site to match illumination and energy targets without rewiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable CCT:\u003c\/strong\u003e Field-adjustable 3500K, 4000K, and 5000K color temperatures via on-driver switch for precise ambiance control in any commercial environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard \u0026amp; Battery Backup Options:\u003c\/strong\u003e Standard models for general commercial use; Battery Backup (-E2) models add an integrated 90-minute emergency system with built-in test button and indicator light for code-compliant egress lighting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Size Options:\u003c\/strong\u003e 1x4 (11.75”×47.75”), 2x2 (23.75”×23.75”), and 2x4 (23.75”×47.75”) — all with a 4” deep center-basket profile for standard T-bar drop ceiling grids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIC Rated:\u003c\/strong\u003e Safe for direct contact with building thermal insulation — no clearance required above the ceiling grid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Efficacy:\u003c\/strong\u003e Up to 137 LPW with 85 CRI for accurate color rendering across all wattage and CCT settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0-10V Dimming:\u003c\/strong\u003e Dims to 10% for compatibility with daylight harvesting sensors and commercial energy management systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Voltage:\u003c\/strong\u003e 120-277V input — no external transformer required for standard commercial grids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegral T-Grid Mounting Clips:\u003c\/strong\u003e Bend-over clips secure the fixture against vibration; support wire holes provided for code-compliant ceiling anchoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20-Gauge Cold-Rolled Steel Housing:\u003c\/strong\u003e Fully enclosed design minimizes dust accumulation and protects internal LEDs; white powder coat finish integrates cleanly into standard T-bar ceiling grids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100,000-Hour Lifespan:\u003c\/strong\u003e L70-rated LED life with a 5-year warranty minimizes maintenance in commercial installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamp Location Listed:\u003c\/strong\u003e UL listed for use in standard environmentally controlled interior spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e90-Minute Battery Backup (Battery Backup Models)\u003c\/h3\u003e\u003cp\u003eBattery Backup (-E2) models include an integrated emergency battery system that automatically activates during a power failure, operating the fixture at a reduced lumen level for a minimum of \u003cstrong\u003e90 minutes\u003c\/strong\u003e to support safe building evacuation. A built-in \u003cstrong\u003etest button and indicator light\u003c\/strong\u003e allow routine compliance testing without external equipment. These models comply with NEC and IBC emergency egress lighting requirements. \u003cstrong\u003eImportant:\u003c\/strong\u003e An unswitched hot supply line must be connected to maintain battery charge.\u003c\/p\u003e\u003ch3\u003eSize \u0026amp; Configuration Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x4 — Standard (SWISHFA1X4-D10):\u003c\/strong\u003e 39W: 5,668lm | 29W: ~4,200lm | 19W: ~2,800lm — 11.75”×47.75”×4.0”\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x4 — Battery Backup (SWISHFA1X4-D10-E2):\u003c\/strong\u003e Same output; adds 90-min emergency system with test button\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x2 — Standard (SWISHFA2X2-D10):\u003c\/strong\u003e 39W: 4,913lm | 29W: ~3,600lm | 19W: ~2,400lm — 23.75”×23.75”×4.125”\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x2 — Battery Backup (SWISHFA2X2-D10-E2):\u003c\/strong\u003e Same output; adds 90-min emergency system with test button\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x4 — Standard (SWISHFA2X4-D10):\u003c\/strong\u003e 49W: 5,882lm | 39W: ~4,600lm | 29W: ~3,400lm — 47.75”×23.75”×4.0”\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x4 — Battery Backup (SWISHFA2X4-D10-E2):\u003c\/strong\u003e Same output; adds 90-min emergency system with test button\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCCT Options:\u003c\/strong\u003e All models offer 3500K (warm neutral), 4000K (neutral white), and 5000K (daylight) — selectable on-site via on-driver switch.\u003c\/p\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCommercial offices, conference rooms, and open workspaces.\u003c\/li\u003e\n\u003cli\u003eRetail environments and hospitality corridors.\u003c\/li\u003e\n\u003cli\u003eEducational institutions and classrooms.\u003c\/li\u003e\n\u003cli\u003eHealthcare facilities and medical offices.\u003c\/li\u003e\n\u003cli\u003eEgress corridors and stairwells (Battery Backup models).\u003c\/li\u003e\n\u003cli\u003eRetrofit and new construction T-bar drop ceiling installations requiring architectural depth.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePerformance \u0026amp; Light Output\u003c\/h3\u003e\u003cp\u003eAll SWISHFA models deliver up to 137 LPW with 85 CRI through a frosted polycarbonate lens for smooth, volumetric, glare-free illumination. The 4” center-basket profile creates a premium architectural appearance that distinguishes these fixtures from standard flat-panel troffers. The 100,000-hour L70 lifespan dramatically reduces re-lamping and maintenance costs versus legacy fluorescent troffers.\u003c\/p\u003e\u003ch3\u003eElectrical \u0026amp; Controls\u003c\/h3\u003e\u003cp\u003eEach model is powered by a high-efficiency Class 2 driver operating on 120-277V AC with integral surge protection. All configurations include 0-10V dimming leads (dims to 10%) for compatibility with daylight harvesting sensors and commercial energy management systems. Battery Backup models require an unswitched hot supply line to maintain battery charge.\u003c\/p\u003e\u003ch3\u003eConstruction \u0026amp; Durability\u003c\/h3\u003e\u003cp\u003eThe 20-gauge cold-rolled steel housing is finished in white powder coat for clean integration into standard T-bar drop ceiling grids. The fully enclosed design minimizes dust accumulation and protects internal LEDs. IC rated for direct insulation contact and UL listed for damp interior locations.\u003c\/p\u003e\u003ch3\u003eInstallation \u0026amp; Mounting\u003c\/h3\u003e\u003cp\u003eAll models are designed for rapid drop-in installation into standard T-bar ceiling grids using integral bend-over grid clips — no additional hardware required. Support wire holes are provided for code-compliant ceiling anchoring. Battery Backup models require an unswitched hot supply line for proper battery charging. Optional surface mount kits are available separately for hard ceiling installations.\u003c\/p\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRAB SWISHFA Center Basket LED Troffer — White (size and configuration selected above)\u003c\/li\u003e\n\u003cli\u003ePre-installed Driver Assembly\u003c\/li\u003e\n\u003cli\u003eIntegral T-Grid Mounting Clips\u003c\/li\u003e\n\u003cli\u003eEmergency Battery Backup Unit with Test Button (Battery Backup models only)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RAB Lighting","offers":[{"title":"1x4 \/ Standard","offer_id":41431309385786,"sku":"SWISHFA1X4-D10","price":113.0,"currency_code":"USD","in_stock":true},{"title":"1x4 \/ Battery Backup","offer_id":41431309058106,"sku":"SWISHFA1X4-D10-E2","price":256.0,"currency_code":"USD","in_stock":true},{"title":"2x2 \/ Standard","offer_id":41431309221946,"sku":"SWISHFA2X2-D10","price":108.0,"currency_code":"USD","in_stock":true},{"title":"2x2 \/ Battery Backup","offer_id":41431308992570,"sku":"SWISHFA2X2-D10-E2","price":250.0,"currency_code":"USD","in_stock":true},{"title":"2x4 \/ Standard","offer_id":41431309123642,"sku":"SWISHFA2X4-D10","price":142.0,"currency_code":"USD","in_stock":true},{"title":"2x4 \/ Battery Backup","offer_id":41431308927034,"sku":"SWISHFA2X4-D10-E2","price":285.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/9492\/6650\/files\/SWISHFA1X4-D10_100.jpg?v=1779711756","url":"https:\/\/www.beeslighting.com\/products\/rab-swishfa-field-adjustable-center-basket-troffer","provider":"Bees Lighting","version":"1.0","type":"link"}