RAB SWISH2X2/MVS/E LED Center Basket Troffer — 35W / 26W / 18W Selectable — Microwave Sensor — Battery Backup — White The RAB SWISH2X2/MVS/E is a 2×2 recessed LED center basket troffer combining a factory-installed microwave (MVS) occupancy sensor with integrated 90-minute emergency battery backup — designed for commercial interiors requiring occupancy-based energy control and life-safety code compliance. The MVS sensor detects motion through walls and partitions without requiring PIR line-of-sight. Wattage is field-selectable between 35W (factory default), 26W, and 18W, and CCT is field-selectable between 3500K, 4000K (factory default), and 5000K — no tools required. At peak output, the fixture delivers 4,703 lumens at 35W / 4000K and operates on 120–277V with a 0–10V dimming driver. The SWISH2X2/MVS/E is UL Listed for dry and damp locations and is DLC 5.1 Listed as Ultra-Efficient Premium. Key Features Selectable Wattage: 35W / 26W / 18W — field-adjustable via built-in onboard switch, factory default 35W. No tools required. Wattage Equivalency: Replaces conventional fluorescent 2×2 troffer fixtures. Maximum Lumen Output: 4,703 lm at 35W / 4000K. Peak Efficacy: 146.4 lm/W at 18W / 4000K. CRI: 82–84 across all wattage and CCT configurations. Selectable CCT: 3500K / 4000K / 5000K — field-adjustable via built-in onboard switch, factory default 4000K. No tools required. Lens & Optics: Diffused polystyrene lens panel for uniform, glare-controlled light distribution across the 2×2 grid opening. Dimming: 0–10V dimming driver — dims to 10% minimum. Voltage & Driver: Class 2 constant current, 120–277V, 50/60Hz. Location Rating: UL Listed for dry and damp locations. Operating Temperature: −4°F (−20°C) minimum (standard) · 41°F (5°C) minimum (with battery backup) · 104°F (40°C) maximum ambient. Certifications: UL Listed (dry and damp) · DLC 5.1 Ultra-Efficient Premium. Rated Life: 100,000 hours per IES LM-80 / TM-21. Warranty: 5-year RAB warranty — covers light output, color stability, driver performance, and fixture finish. Microwave Sensor: Factory-installed MVS sensor · 12VDC input · 50/60Hz · operating temperature −22°F to 104°F (−30°C to 40°C) · detection range 20 ft diameter at 9 ft mounting height · max mounting height 9–12 ft. Battery Backup: 90-minute emergency operation on power failure · wired 120–277V · BLLF: 0.18 · minimum starting temperature 41°F (5°C). Performance & Light Output At 35W: 4,424 lm (3500K / 128.5 lm/W), 4,703 lm (4000K / 139.9 lm/W), 4,604 lm (5000K / 132.8 lm/W). At 26W: 3,425 lm (3500K / 135.3 lm/W), 3,620 lm (4000K / 145.9 lm/W), 3,538 lm (5000K / 138.9 lm/W). At 18W: 2,386 lm (3500K / 138.9 lm/W), 2,476 lm (4000K / 146.4 lm/W), 2,483 lm (5000K / 144.0 lm/W). CRI 82–84 across all wattage and CCT settings. Rated life 100,000 hours (L70) per IES LM-80 / TM-21. Smart & Control Features The SWISH2X2/MVS/E includes a factory-installed microwave occupancy sensor and supports 0–10V dimming. The MVS sensor detects motion via microwave signal — capable of detecting occupancy through walls and partitions where PIR line-of-sight detection is insufficient. Sensor defaults: Motion Sensitivity High · 100% brightness when triggered · 20-min hold time · 20% standby dim · 1-min standby time · Daylight Disabled. Settings adjustable via MSR1 remote accessory (sold separately). Electrical Class 2 constant current driver. Input: 120–277V, 50/60Hz. Power Factor: 99.6% at 120V / 95.0% at 277V. THD: 7.03% at 120V / 12.7% 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: 0.18 · minimum starting temperature 41°F (5°C) · maximum ambient 104°F (40°C). Mercury-free, UV-free, RoHS compliant. Wattage 120V 208V 240V 277V 35W 0.34A 0.20A 0.16A 0.14A 26W 0.21A 0.12A 0.10A 0.10A 18W 0.14A 0.08A 0.07A 0.07A Construction Housing & Thermal: Cold Rolled Carbon Steel Sheets and Strip (SPCC) housing construction. Lens & Optics: Diffused polystyrene lens panel for uniform, glare-controlled illumination across the full 2×2 grid opening. Finish: White — formulated for high durability and long-lasting color. Environmental & Safety: UL Listed for dry and damp locations. Mercury-free, UV-free, RoHS compliant. Operating range: −4°F (−20°C) to 104°F (40°C) standard; 41°F (5°C) minimum for battery backup models. Dimensions & Weight: Ceiling opening: 18¹¹⁄₁₆" × 23¾". Fixture depth: 1⁷⁄₁₆". Weight: 8.8 lbs. Installation & Mounting Standard Hardware: Mounting hardware included for recessed T-grid ceiling installation. Mounting Options: Recessed into standard 2×2 T-grid ceiling systems. Recommended mounting height for MVS sensor: 9–12 ft. Wiring: 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). Certifications & Rebates UL Listed — dry and damp locations DLC 5.1 Ultra-Efficient Premium — 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 S-M443P3. TAA Compliant — eligible for U.S. government and GSA procurement RoHS Compliant — mercury-free, UV-free Typical Applications Commercial egress corridors with enclosed layouts — MVS sensor detects occupancy through partitions while battery backup maintains illumination during power failures Healthcare exam rooms and clinical corridors — microwave detection and emergency backup support both occupancy-based control and life-safety compliance Educational institutions — combined MVS and emergency backup meets energy code and life-safety requirements for enclosed classroom environments Government and institutional buildings — TAA Compliant and DLC 5.1 Ultra-Efficient Premium qualify for GSA procurement and highest-tier utility rebates Private offices and stairwells — MVS detection through walls plus 90-minute emergency backup covers both daily efficiency and egress requirements What's Included RAB SWISH2X2/MVS/E LED Center Basket Troffer — White Factory-installed microwave (MVS) occupancy sensor Integrated 90-minute emergency battery backup unit Mounting hardware for recessed T-grid installation
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