Custom Lighting Layout
Get a professionally designed lighting plan tailored to your facility.
Request LayoutArchitectural Linear Stairwell Light(LSD) – ATG’s Architectural DUO Linear Stairwell Fixtures are available in 2′ and 4′ lengths, with three step power-adjustable wattages and three CCT settings to suit a variety of needs. Featuring a soft-glow acrylic lens, these fixtures reduce glare and provide even light distribution, effectively illuminating stairwells and passageways in both commercial and industrial applications. UL listed for damp locations, the fixtures come standard with a surface/wall mount, with optional V-hook and chain for flexible installation. Additional options include an ultrasonic sensor and emergency unit (EM) for enhanced functionality and safety. The LSD model combines an aesthetically pleasing design with high-performance components, including the option for a concealed motion sensor and emergency battery backup, making it the ideal choice for modern, high-demand spaces.
3-Step Power Selectable:
2FT Slim Model: Toggle easily between 25W / 20W / 15W.
4FT Standard Model: Toggle easily between 50W / 40W / 30W.
4FT Mid-Output Model: Toggle easily between 65W / 55W / 45W.
4FT High-Output Model: Toggle easily between 90W / 80W / 70W.
3-Step CCT Selectable: A simple field-adjustable switch allows easy
toggling between three color temperatures: 3500K, 4000K, and 5000K.
Perfect Spatial Fit: Use 4FT for long corridors and main stairwells;
use 2FT for landing platforms, tight corners, and low-ceiling spots.
140 LM/W+ Efficacy: Ultra-bright light, lower wattage draw.
Max Utility Rebates: Meets strict standards to unlock premium cash-back incentives.
Pre-installed Ultrasonic Sensor: Smart, integrated motion tracking for hands-free energy savings.
UL & DLC V5.1 Premium: Guaranteed safety standards paired with elite efficiency for maximum utility rebate eligibility.
Optional Emergency Backup (P/N: STB41A-08WLI-55): Field-installable 8W emergency battery guarantees
uninterrupted, code-compliant illumination during power outages (sold separately).
