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LED Surface Troffer with Shallow Semi-Round Lens

LSTH

When it comes to modern architectural LED lighting, the LSTH Surface Type H fixture stands out as a high-performance solution designed for both aesthetics and efficiency. Engineered for commercial interiors, this luminaire delivers enhanced visual comfort and uniform illumination, making it ideal for spaces that demand both form and function. With its shallow semi-round lens and dual high efficiency reflectors, the LSTH is purpose-built to elevate lighting quality in offices, classrooms, healthcare facilities, and retail environments.

The LSTH’s shallow semi-round lens design is more than just a sleek profile, it’s a functional advantage. This low-profile form factor allows for seamless integration into surface or suspended ceiling applications, especially where ceiling depth is limited. The fixture’s smooth, frosted linear prismatic acrylic diffuser ensures soft, low-glare lighting that enhances visibility without harsh shadows. At the core of its optical system are dual high efficiency reflectors, precision-formed to maximize light distribution while maintaining energy efficiency. This combination results in a balanced, wide-angle illumination that enhances workspaces, corridors, and communal areas alike.

Built with durability in mind, the LSTH features a die-formed, code-gauge steel housing and a white polyester powder-coated finish for long-lasting performance. It supports standard 0–10V dimming and is available in multiple sizes: 1x4, 2x2, and 2x4 to suit a variety of ceiling layouts. The fixture is rated for over 50,000 hours of L80 performance, ensuring long-term reliability with minimal maintenance. Optional features like an emergency battery pack and flexible metal whip wiring add to its versatility. Whether you're upgrading an existing space or designing a new one, this surface mount light fixture offers a dependable, energy-efficient lighting solution that meets CSA/UL standards and qualifies for DesignLights Consortium® listings.

In addition to its technical strengths, the LSTH is designed with ease of installation in mind. It supports both surface and suspended mounting, and accessories like chain sets and aircraft cables are available for flexible deployment. With lumen packages ranging from 2000 to 4000 and color temperatures from 3000K to 5000K, the LSTH can be tailored to meet the specific lighting needs of any indoor environment. Its high efficacy up to 156 lumens per watt ensures that you get the most out of every watt consumed, making it a smart choice for energy-conscious buyers.

Whether you're specifying lighting for a hospital corridor or a retail showroom, the LSTH delivers on all fronts: performance, design, and efficiency. It’s a modern lighting solution that doesn’t compromise on quality or compliance.

  • Architectural LED lighting fixture with shallow semi-round lens for sleek, low-profile installation in surface or suspended applications.
  • Features dual high efficiency reflectors and a frosted prismatic diffuser for soft, uniform, low-glare illumination.
  • Available in 1x4, 2x2, and 2x4 sizes with lumen outputs from 2000 to 4000 and CCT options from 3000K to 5000K.
  • Built with durable die-formed steel housing and rated for L80 > 50,000 hours, ensuring long-term performance.
  • Fully compatible with 0–10V dimming, emergency battery packs, and flexible wiring options for versatile deployment.
Country of Origin: Canada

Product Information

  • Product Specifications

    Application : Classroom,Corridor,Nursing Homes,Hospitals,Library,Office,Retail Store,School

    Available Size(s) : 1x4,2x2,2x4

    Brand : VIS

    CRI : 80+

    Certification : DLC Listed,UL Listed (C/US),Damp Locations, IESNA LM-79

    Color Temperature : 3000K,3500K,4000K,5000K

    Fixture Type : Surface,Suspended

    Grade : Commercial Grade

    Light Source : LED

    Lumen Output : 2000-3200,4000

    Market : Commercial,Education,General Area,Healthcare