RAB SWISH2X4/E LED Center Basket Troffer — 44W / 35W / 26W Selectable — Battery Backup — White The RAB SWISH2X4/E is a 2×4 recessed LED center basket troffer with integrated 90-minute emergency battery backup, designed for commercial interiors requiring life-safety code compliance. Wattage is field-selectable between 44W (factory default), 35W, and 26W, and CCT is field-selectable between 3500K, 4000K (factory default), and 5000K — no tools required. At peak output, the fixture delivers 6,048 lumens at 44W / 4000K and operates on 120–277V with a 0–10V dimming driver. The SWISH2X4/E is UL Listed for dry and damp locations and is DLC 5.1 Listed as Ultra-Efficient Premium. Replaces conventional fluorescent 2×4 troffer fixtures. Key Features Selectable Wattage: 44W / 35W / 26W — field-adjustable via built-in onboard switch, factory default 44W. No tools required. Wattage Equivalency: Replaces conventional fluorescent 2×4 troffer fixtures. Maximum Lumen Output: 6,048 lm at 44W / 4000K. Peak Efficacy: 150.8 lm/W at 26W / 4000K. CRI: 82–83 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 2×4 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. Battery Backup: 90-minute emergency operation on power failure · wired 120–277V · Battery Backup Light Loss Factor: 0.23 · minimum starting temperature 41°F (5°C). Performance & Light Output At 44W: 5,859 lm (3500K / 137.8 lm/W), 6,048 lm (4000K / 147.0 lm/W), 5,883 lm (5000K / 138.7 lm/W). At 35W: 4,783 lm (3500K / 141.1 lm/W), 4,903 lm (4000K / 148.9 lm/W), 4,832 lm (5000K / 143.2 lm/W). At 26W: 3,681 lm (3500K / 144.5 lm/W), 3,758 lm (4000K / 150.8 lm/W), 3,720 lm (5000K / 145.9 lm/W). CRI 82–83 across all wattage and CCT settings. Rated life 100,000 hours (L70) per IES LM-80 / TM-21. Smart & Control Features The SWISH2X4/E supports 0–10V dimming as standard and is available with four factory-installed occupancy sensor configurations: Standard (0–10V): Dims to 10% minimum via 0–10V DC circuit — compatible with standard commercial building controls. PIR (/PIR suffix): Factory-installed Passive Infrared sensor. Detection range: 20 ft diameter at 9 ft mounting height. Max mounting height: 9–12 ft. Microwave (/MVS suffix): Factory-installed microwave sensor. Detection range: 20 ft diameter at 9 ft mounting height. Max mounting height: 9–12 ft. Lightcloud Blue PIR (/LCBS suffix): Wireless Bluetooth mesh PIR sensor — no 0–10V circuit required. Lightcloud Blue MVS (/LCB-MVS suffix): Wireless Bluetooth mesh microwave sensor — no 0–10V circuit required. Sensor defaults: Motion Sensitivity High · 100% brightness when triggered · 20-min hold time · 20% standby dim · 1-min standby time · Daylight Disabled. Adjustable via Lightcloud Blue app (Lightcloud Blue models) or MSR1 remote accessory (sold separately). Electrical Class 2 constant current driver. Input: 120–277V, 50/60Hz. Power Factor: 99.9% at 120V / 96.3% at 277V. THD: 7.6% at 120V / 13.1% 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. Wattage 120V 208V 240V 277V 44W 0.34A 0.20A 0.17A 0.15A 35W 0.28A 0.16A 0.14A 0.12A 26W 0.21A 0.12A 0.10A 0.10A 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 2×4 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: 47¾" × 23¾". Fixture depth: 1⁷⁄₁₆". Weight: 10 lbs. Installation & Mounting Standard Hardware: Mounting hardware included for recessed T-grid ceiling installation. Mounting Options: Recessed into standard 2×4 T-grid ceiling systems. 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-1Y204R. TAA Compliant — eligible for U.S. government and GSA procurement RoHS Compliant — mercury-free, UV-free Typical Applications Commercial egress corridors and open-plan offices — 6,048 lm at 44W delivers high output across larger 2×4 grid spans with emergency backup coverage Healthcare facilities and clinical areas — damp location rating and 82–83 CRI support reliable illumination during power events Educational institutions — selectable wattage and emergency operation meet both energy and safety code requirements Government and institutional buildings — TAA Compliant and DLC 5.1 Ultra-Efficient Premium qualify for GSA procurement and highest-tier utility rebates Retail environments and lobbies — selectable 3500K–5000K CCT adapts to varied display and ambient lighting needs while maintaining emergency coverage What's Included RAB SWISH2X4/E LED Center Basket Troffer — White Integrated 90-minute emergency battery backup unit Mounting hardware for recessed T-grid installation
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