● Product Description
Direct & Indirect LED Linear Light is a specal linear lighting product provide both direct and indirect lights in targeted areas, which gives a perfect solution for office,subway station,super market and airport sectors.The downward light provides high luminous output, ideal for functional lighting, while the upward light enhances ambient lighting and visually elevates the ceiling. Also，the PC cover has an excellent light transmittance,providing you softer and more uniform light.
| Technical Specifications | |
| Input Voltage | AC100-277V 50/60Hz |
| Total harmonic distortion | THD<19% |
| Power Factor | PF>0.95 |
| Efficiency | 100-130LM/W |
| Color Index | Ra>82 |
| Switching Time | 100,000 |
| Lumen maintenance @6000h | >80% |
| Operation Temperature | -10°C ~ +50°C |
| UGR | <19 |
| Life Span | 50,000 hours |
| CCT | 3000K,4000K,5000K |
| Material | Aluminum + PC |
● Features
● A switch can be used to adjust the color temperature and power wattage.
● Made of recycled aluminum housing that is more Environmentally friendly than the other material housing.
● Specifiable color temperature.
● Integral specifiable dimmable drivers or PoE.
● WELL Building Standard compatible.
| Specifications | |||||||
| Model | Length | Power | CCT | Cover | Led type | Lumens (lm) ±10% | Package |
| LY-SF90L600-30W6 | 2ft/600mm | 30W | 3000K 4000K 5000K 5700K 6000K |
Frosted Clear |
SMD2835 | 3000/3750 | 700*215*245 (mm) 6pcs/ctn |
| LY-SF90L1200-60W6 | 4ft/1200mm | 60W | SMD2835 | 6000/7500 | 1300*215*245 (mm) 6pcs/ctn | ||
|
LY-SF90L1500-90W6
|
5ft/1500mm | 90W | SMD2835 |
8000/10000 | 1600*215*170 (mm) 4pcs/ctn | ||
| LY-SF90L2400-120W6 |
8ft/2400mm |
120W |
SMD2835 |
12000/15000 |
2500*115*170 (mm) 2pcs/ctn |
||
● Options
● Standard Version / High Bright Version
● Connection Way: Lead in Wire / M-F Connection / Power cord with Plug
● Installation Type : Standard Clip
● 3 CCT Tunable: 3000K 4000K 5000K
● Product Line Drawing (Size:mm) ● Light Distribution Curve 
● Standard Accessories
Two hoisting line,two conncetion clips,clips and screws.
● Installation
● Risk Of Electrical Shock: Disconnect Power Before Installing Or Servicing Product.
● Installation should be performed by Licensed / Qualifified Electricians Only.
● Please use it under correct input power range.
● Do not use in the outdoor environment.
● If the product does not operate properly, check the wire connection after the power cut off.
● Follow the diagram for below for proper installation. 
Sleek and Modern Linear Light for Versatile Applications
The Direct Indirect LED Linear Light by LONYUNG is designed to seamlessly blend into modern architectural spaces. This led linear light provides both direct task lighting and indirect ambient lighting, making it ideal for office ceilings, commercial interiors, and designer retail stores.
High-Performance LED Technology Ensuring Energy Efficiency
Built with advanced LED linear fixtures, this product reduces energy consumption while delivering consistent high lumen output. Whether installed as a single fixture or part of a continuous run, the linear led ceiling lights provide long-lasting brightness with low maintenance requirements.
Flexible Installation and Enhanced Customization
This linear light offers surface mount, suspended, or recessed installation options, providing flexibility for different project requirements. LONYUNG also supports OEM and ODM customization, allowing under cabinet lighting or tailored length and color temperature to meet unique design needs.
Designed for Commercial and Industrial Use
Engineered to meet the demands of modern workspaces and public areas, LONYUNG’s direct indirect LED linear light offers superior performance, under cabinet light compatibility, and integration with high bay light systems for complete lighting solutions.
Product Advantages:
Sleek Design & Modern Aesthetics:
High Lumen Efficiency:
Flexible Installation Options:
Long Lifespan & Energy Savings:
Customizable Solutions:
About Us - LONYUNG Lighting
Founded in 2010, LONYUNG Lighting has grown into a leading innovator in the commercial and industrial LED lighting industry. With a strong commitment to technology, design, and sustainability, we specialize in creating linear lights, LED linear high bay lights, and tri-proof lights that redefine lighting performance. Our manufacturing facility adheres to international standards, ensuring high-quality products trusted by global customers across retail, office, industrial, and warehouse applications.
Why Choose Us
FAQ
1. Who are we?
LONYUNG is a professional manufacturer of commercial and industrial LED lighting, established in 2010. Based in China, we design, manufacture, and export high-performance LED integrated tube, linear lights, tri-proof lights, and high bay lights to customers worldwide.
2. How can we guarantee quality?
We strictly follow ISO 9001 quality management standards, conduct 100% product inspection before delivery, and hold certifications such as ETL, DLC, RCM, TUV, CE, and RoHS to guarantee product reliability.
3. What can you buy from us?
4. Why should you buy from us, not from other suppliers?
Direct Indirect LED Linear Light is best suited to offices, reception areas, retail, hospitality and architectural interiors. Its main distinction is combined uplight and downlight distribution. For a project, match the fixture to the required light level, mounting conditions and control strategy rather than choosing only by nominal wattage.
Start with direct vs. indirect distribution, lumen target, CCT/color control, suspension height and layout. Then compare the exact model specifications, electrical requirements and installation method. For larger projects, a photometric file or lighting layout is the best way to confirm spacing, target illuminance and whether the configuration fits the space.
The main difference is combined uplight and downlight distribution. Choose this version when that feature directly supports the project requirement; choose direct-only linear pendant lights when the simpler alternative already meets the lighting, installation and control needs. Compare delivered output, optics, controls, mounting and environmental requirements before deciding.
Provide project quantity, installation location, required size, input voltage, target CCT, lumen or wattage requirement, control method, mounting method and destination market. If the project has certification, emergency, IP/IK, dimming or packaging requirements, include them so the correct model can be matched to the request.
Linear lighting can be planned as individual pendants or as continuous visual lines when the model and accessories support that layout. Connector type, power-feed position, suspension spacing and maximum run length are model-specific, so confirm the run drawing and electrical load before ordering.
Compare related lighting: RGB LED Linear Pendant Light | Direct LED Linear Light
