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Industrial sites are becoming faster and more complex. As automation equipment expands, workers must recognize more information more quickly. In this environment, the most important element is a “visual signal that allows equipment status to be identified at a glance.”
S80NL is a high-intensity LED steady light developed to meet these requirements. It is optimized to intuitively communicate equipment status.
Core Point: “Strong Visibility”
S80NL is not simply an indicator light.
It is a visual signaling device designed to maximize light transmission performance.
Special diffused globe applied
Internal light-blocking structure applied → Strong and clear LED signal implementation
It maintains excellent visibility even in bright outdoor environments, enabling clear status communication for outdoor equipment, logistics equipment, mobile equipment, and other applications.
Why Is S80NL Needed? 1. A common problem in industrial sites is that “the signal is not visible.”Difficult to identify under sunlight
Unable to recognize from a long distance
Status confusion caused by interference between colors
2. S80NL structurally solves these problems.Light-blocking structure for each tier → Minimizes interference between colors
Convex lens structure → Concentrated light emission, not simple light diffusion
Ø80 mm outer diameter design → Secures high visual recognition capability
Durability Optimized for Industrial Environments IP65 protection rating (dustproof and waterproof) Operating temperature: -30℃ to +50℃ Stable structure even in vibration and impact environments, such as transport machinery, agricultural machinery, and industrial equipment It can be used reliably even in environments with frequent vibration. Clear Status Distinction with 4 Colors Red: Danger / Stop Amber: Caution / Warning Green: Normal operation White: Auxiliary / Status indication It improves intuitive status recognition and worker decision-making speed, and contributes to accident prevention. Easy Installation and Stable Operation DC12–24V power supply Easy connection without polarity distinction Standard mounting structure applied It ensures both installation convenience and maintenance efficiency. Optimal for These Sites Automation equipment and production lines Logistics and conveyor systems Construction and heavy equipment Agricultural machinery and mobile equipment Outdoor facilities and plants “A signal that cannot be seen has no meaning.”It is a visual signaling device that clearly communicates on-site status.
Strong brightness, clear color distinction, and durability that withstands industrial environments.
If you want to communicate equipment status more quickly and accurately, S80NL is the most reliable choice.
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When opening a distribution panel, technicians often face the same challenges:
shadows, blind spots, fatigue, and small wiring mistakes.
In environments where inspection, replacement, and expansion tasks occur frequently, lighting is not just a convenience—it is a fundamental element that directly affects work quality and safety.
The QELT-UL series by Qlight is a LED lighting solution specifically designed for distribution panels, already meeting global safety standards through UL(RU) certification.
With the newly obtained UL(RU) certification for the AC220V specification, the QELT-220-UL can now be applied more broadly—not only for domestic control panels but also for export-oriented panels and projects requiring North American compliance.
Why UL(RU) Certification Matters
UL(RU) certification is one of the most recognized safety standards required for the North American market, verifying strict criteria such as:
· Electrical safety
· Insulation performance
· Withstand voltage standards
With this certification, the QELT-220-UL is no longer simply a panel light for domestic applications, but a distribution panel LED lighting solution designed to meet global engineering standards.
Key Advantages of the QELT-UL Series 1. Wide downward light distribution optimized for enclosed panels
Inside a distribution panel, what is needed is not light that spreads far outward, but light that spreads widely downward.
The QELT-UL series is designed to maximize downward illumination coverage, improving visibility within confined panel spaces and enabling safer and more efficient maintenance work.
2. Terminal Block Integrated Structure for Easy WiringWhen considering wiring organization after installation, ease of connection directly translates into cost efficiency on site.
The QELT-UL features an integrated terminal block (terminal box type) design, simplifying wiring work for users and reducing installation time.
3. Direct AC LED Control System | Minimizing External Power Supply RequirementsReducing external power supply configuration, installation space, heat generation, and additional wiring allows for a much cleaner panel design.
The QELT-UL is designed to operate with direct AC voltage input, minimizing the need for a separate power supply unit.
4. Length Options to Match Panel Size and Installation Conditions (200 / 300 / 400 / 500 mm)The QELT-UL series offers four length options (200 / 300 / 400 / 500 mm), allowing users to select the most appropriate model according to lighting coverage and panel installation conditions.
5. Detachable Mounting Bracket | Flexible InstallationAvoiding unnecessary rework—such as modifying panel holes due to mismatched mounting distances—greatly improves installation convenience.
The QELT-UL adopts a detachable mounting bracket design, allowing adjustment of mounting hole spacing for greater installation flexibility.
Key Specifications (QELT-UL Series) Rated Voltage: AC110–120V (existing) / AC220V (Newly expanded with UL(RU) certification) Operating Voltage Range: AC98–132V Power Consumption: 5W–15W (depending on length) Insulation Resistance: Min. 100 MΩ Dielectric Strength: 1,500 VAC, 60 Hz, 1 minute Operating Temperature: -30°C to +50°C Water Protection: Non-waterproof (for indoor use only) FAQ (Frequently Asked Questions) Q1. Is this a waterproof product?A. The QELT-UL is a non-waterproof model, designed for protected environments such as inside distribution panels or control cabinets.
Q2. How should I choose the appropriate length?A. For larger panel working areas or panels with internal obstacles, a 300–500 mm model is recommended. Selection can be supported using luminous flux and illuminance data for each length option.
Q3. Is installation complicated?A. Not at all. The terminal block integrated structure and detachable mounting bracket design provide flexibility in wiring and mounting, reducing the installation burden on site.
Recommended For Sites with frequent distribution panel inspection and maintenance Where regular inspections, component replacements, or expansion work are common, and clear visibility of the working area directly impacts safety and work quality. Customers who want to reduce terminal and labeling identification errors In environments where poor internal lighting makes it difficult to identify terminals and markings, leading to rewiring work or downtime. Panels with tight internal space Where installation and wiring become cumbersome due to limited panel space. Customers who prefer simple wiring structures Where shorter installation time and simpler wiring are preferred over additional power supplies or complex wiring systems. Projects with various panel sizes and installation conditions Where different panel specifications exist within the same project, requiring flexible length options (200 / 300 / 400 / 500 mm) for optimal installation. Projects requiring UL-related compliance (for export markets or North American applications) Where certification and regulatory compliance are critical, and the selection criteria must be clearly documented. Equipment managers who want to improve operator satisfaction and visibility Where operators often say, “The inside of the panel is always too dark when we open it.” and improvements in visibility and reduced fatigue are desired. “Distribution Panel Lighting, Now Built to Global Standards”The QELT-220-UL series combines high illumination, simplified wiring, multiple length options, and the reliability of UL(RU) certification.
If you are looking for a proven LED lighting solution designed specifically for distribution panels, suitable not only for domestic equipment but also for export-oriented projects, the QELT-220-UL series is a practical and reliable choice.
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