LED Dowlights – White/40W/3600lm/24°/38°/55° – Kosoom SLJG16540

IVA incl

Free shipping for orders over 120€ in Italy and free shipping for orders over 200€ in other parts of Europe

Single product layout---Founded in Italy

2% discount

More than €500

4% discount

More than €1000

6% discount

More than €3000

Are you an electrician or lighting professional?​


Range Avenger
Code SLJG16540
Power 40
Lumen 3600lm
Size Φ180*H94
Angle 24°/38°/55°
OPTIC Reflector
LED Bridgelux V13C
VOLTAGE 220-240V
PF 0.9
CRI 90


The Kosoom SLJG16540 LED Downlight is a stellar embodiment of innovative lighting technology, meticulously crafted to illuminate spaces with optimal efficiency and aesthetic appeal. With a power of 40W and a luminous flux of 3600lm, this LED downlight is not only energy-efficient but also remarkably bright, ensuring that it can illuminate spaces effectively while consuming less power compared to traditional lighting solutions. The downlight comes in sizes of Φ180*H94 and a cut-off size of Φ165, providing a compact yet powerful lighting solution.

The SLJG16540 model offers a choice between three beam angles: 24°, 38°, and 55°, which allows users to select the most suitable light dispersion for their specific application. The optic reflector, coupled with the Bridgelux V13C LED and LIFUD driver, ensures a stable, reliable, and high-quality light output. Operating at a voltage of 220-240V with a power factor (PF) of 0.9 and a Color Rendering Index (CRI) of 90, this downlight guarantees vibrant and true-to-life lighting, enhancing the natural colors of the illuminated space.

LED downlights, particularly those from the renowned brand Kosoom, are celebrated for their longevity, often lasting up to 25,000 hours or more, which significantly reduces the frequency of replacements. Moreover, their ability to operate at cooler temperatures compared to halogen bulbs not only makes them safer but also reduces the risk of fire, ensuring a secure lighting solution for various environments.

In the realm of LED lighting, particularly downlights, Kosoom has established itself as a brand synonymous with quality, efficiency, and reliability. With a robust supply chain and a commitment to providing cost-effective lighting solutions, Kosoom ensures that customers receive premium products at competitive prices. The brand, with its roots in Milan, Italy, has been a pivotal player in the lighting industry for over 20 years, focusing on delivering unparalleled lighting solutions to both commercial and residential sectors.


Recessed Spotlights

Recessed Spotlights

Kosoom’s SLJG16540 LED Downlight is versatile, finding its place in various applications across residential, commercial, and architectural settings. In residential contexts, these downlights can be strategically placed in living rooms, kitchens, and hallways, providing a warm, welcoming, and well-lit environment for inhabitants. The adjustable beam angles allow homeowners to highlight specific areas or features within a room, such as artwork, furniture, or architectural details.

In commercial settings, such as retail stores, offices, and other business spaces, the SLJG16540 LED Downlight can be utilized for both general and task lighting. The energy efficiency and longevity of these LED downlights make them a prudent choice for businesses looking to reduce operational costs related to energy consumption and frequent light replacements.

Architectural applications of these downlights include illuminating galleries, museums, and exhibition spaces, where the accurate color rendering and adjustable beam angles can be utilized to enhance and highlight architectural features and artworks. The cooler operating temperature and compact design of the downlights ensure that they do not detrimentally affect sensitive artworks or architectural features.

Installation Guide

Installing the Kosoom SLJG16540 LED Downlight involves a systematic process to ensure safety and optimal functionality. The installation process involves securing the housing, which is the main body of the downlight, into the ceiling, ensuring that there is adequate space above the ceiling and no materials that could pose a fire risk. The trim, which is the visible part of the downlight, is then installed, followed by the LED bulb itself.

It is crucial to ensure that the installation area is free from insulation or other materials that could pose a fire risk. Given the electrical nature of the installation, it is often recommended to enlist the services of a professional electrician, especially for those unfamiliar with electrical work.

Kosoom’s Advantages

Kosoom, with its rich history and robust presence in the lighting industry, brings forth numerous advantages to its clientele. One of the primary benefits is the brand’s commitment to providing high-quality, high-efficiency LED lights, such as the SLJG16540 LED Downlight, at remarkably cost-effective prices. With a supply chain that allows the brand to offer products at wholesale prices, often 1/2 or even 1/3 of the market price, customers are assured of receiving premium products without a hefty price tag.

The brand also provides free lighting solutions, a service that is typically charged by other brands in Europe, ensuring that customers receive optimal lighting configurations without additional costs. With a large-scale offline team in Europe and a strategic approach that combines both online and offline presence, Kosoom ensures that European orders are fulfilled directly from Italy, providing excellent solutions and after-sales service to customers across the continent.

Kosoom’s advantages extend to its manufacturing capabilities, owning its factory and ensuring that all lights sold are produced in-house. This blend of factory and trade allows the brand to offer OEM services upon customer request, ensuring that customers receive products that are tailored to their specific needs and preferences.

In summary, Kosoom, with its dedication to quality, efficiency, and customer satisfaction, stands out as a premier choice for LED lighting solutions, ensuring that customers receive not only premium products but also unparalleled service and support.


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About Kosoom

Kosoom is a renowned professional commercial lighting brand from Italy. You know, we've got eight production bases across the globe. It's quite exciting to share that we've collaborated with clients in over 70 countries worldwide. Our address is Via Talamoni, 6, 20861 Brugherio MB, Italy, and you can reach us at + 0395156222.

We offer a wide range of high-quality commercial lighting products and solutions. This includes various LED lights, strip lights, pendant lights, track lights, downlights, spotlights, and more. At Kosoom, we're dedicated to providing our customers with efficient and energy-saving commercial lighting products and solutions. We leverage advanced technology and top-quality products to offer eco-friendly lighting solutions.

And guess what? We also offer custom services. So, if you've got specific lighting needs, we're here to help tailor solutions just for you!

About Price

All of our lighting products are priced to include VAT, offering fantastic value for money. In fact, many of our products are priced at the lowest rates across Europe, which is pretty astonishing! We've got a hefty stockpile ready to go in our Italian warehouse, so as soon as you place an order on the Kosoom online store, we can dispatch it swiftly. And here's the kicker: our prices are even more competitive than those at Tecnomat. If you're a professional or represent a company, do get in touch with us for some exclusive pricing deals.

About Shipping

Our dispatch point is at Via Talamoni, 6, 20861 Brugherio MB, Italy. We'll be sending your items through BRT or another courier service; if you have any special requests, feel free to get in touch with us. We usually ship within 24-48 hours.

Warranty Period for Products

For all our products, except the custom-made ones, we offer a warranty of 3-5 years. Here's our promise: if there's any quality issue with the product, we'll replace it rather than repair it, making sure your rights are fully protected. As for the warranty period for custom-made products, please reach out to us for more information.

Delivery Time

We dispatch all our orders within 24 to 48 hours. If there's ever a delay due to special circumstances, we'll make sure to let you know right away. As for custom products, we'll agree on a delivery time for these bespoke orders with you.

About Returns

Just a heads-up, if there's nothing wrong with the quality of the product, we can't accept returns. However, if there's a quality issue, we're more than happy to offer a refund or exchange. And remember, all our products come with a 3-5 year warranty.

About Invoices

After you place your order, we'll generate an invoice for you. It'll include all the nitty-gritty details like the order number, a detailed list of the products you've purchased, quantities, prices, any applicable taxes or discounts, and the total amount paid. This invoice will be sent to the email address linked with your order. If you've got any specific requests or need an extra copy of the invoice, just reach out to our customer support team. They're always ready to help you out.

What makes Kosoom's lighting products stand out compared to other brands?

Well, if you compare the prices of other brands' lighting products, you'll notice that many of Kosoom's products are among the most affordably priced in Europe. All our products come with a 3-5 year warranty, giving you long-term quality assurance without worrying about potential issues. Moreover, Kosoom's product range is vast and varied, catering to all sorts of lighting needs, including indoor and outdoor lighting. Whether you're looking for the perfect lighting solution for your home, business, or outdoor spaces, we've got a plethora of options to meet the diverse and individual needs of our customers. We're dedicated to creating a bright and cosy lighting environment and continuously strive for excellence in product variety and quality.

Can I become a distributor for Kosoom?

Absolutely! We welcome you to become a distributor for Kosoom. As our partner, you'll enjoy significant discounts and the support of our eight production bases worldwide, enhancing your business competitiveness.

Are there any special offers for professionals in the industry?

A big salute to the professionals and installers in the lighting industry! We truly appreciate your expertise and contributions in the field. To thank you for your support and cooperation, we offer exclusive discounts just for you. Register now to access these special benefits reserved for you.

How can I view or purchase products with different specifications in the same range?

You can easily view or purchase products and accessories with different specifications in the same range by checking the table below the product images on this page.

Is it possible to customize products according to my needs?

We're more than happy to customize products to meet your specific requirements. However, custom production does require time and resources. Therefore, we have a minimum order of 500 units for custom products, and the production cycle will take at least 30 days.

Can I buy just a few lights if that's all I need?

Of course! You're welcome to purchase as many lights as you need, based on your personal preferences and space requirements. Please note that if your order doesn't meet the free shipping threshold, you may need to pay for shipping. It's worth considering buying more products in one go. Not only does this help reach the free shipping limit, but it also better meets your lighting needs. Plus, having a variety of lights can create a richer lighting effect in different spaces, enhancing both aesthetics and functionality.

Why can't I directly order some products?

Regarding the delivery time for custom products, we ensure that both parties agree on a delivery schedule for the custom order.

Multiple discount offers


Take advantage of up to 20% discount on bulk purchases
(quantity requirements apply)

Multiple discount offers


Take advantage of up to 20% discount on bulk purchases
(quantity requirements apply)

Welcome to KOSOOM, a professional Italian commercial lighting brand. Here we offer you the most cost-effective lighting products in Europe and a range of professional lighting services. Free Delivery Policy: For orders in Italy, we offer free delivery for orders over 120 Euros. For other regions in Europe, free shipping is available for orders over 200 Euros. Multiple Discount Offers: For orders exceeding 500 Euros, you will receive an additional 2% discount. This increases to 4% for orders over 1000 Euros, and for orders over 3000 Euros, you will enjoy a generous 6% discount. Exclusive Industry Discounts: If you are an electrician, wholesaler, lighting professional, or corporate buyer, we are willing to provide additional discounts based on your specific needs, with bulk discounts of up to 20%. Fast Delivery Service: Our goal is to ship within 24 to 48 hours after your order is confirmed, ensuring you receive it as quickly as possible. Long-term Stable Quality Guarantee: All our lighting products come with a 3-5 year quality guarantee, offering extra assurance for your purchase. Contact Us: If you have any questions or needs, please feel free to contact us. Our phone number is +039 515 6222, and our email is [email protected]. KOSOOM looks forward to providing you with high-quality lighting products and attentive service. Let’s work together to create a bright and warm lighting environment!

KOSOOM is a professional and authoritative Italian commercial lighting company, and we always regard product quality as our top priority. To ensure our lighting products maintain a stable, high-quality standard in the market, KOSOOM has implemented a series of strict quality control measures and substantial resource investment, ensuring each lighting product is meticulously manufactured and rigorously inspected. Quality Inspection Process: Every product undergoes a stringent quality inspection process before leaving the factory. This includes packaging checks, appearance inspections, functional tests, stability checks, safety inspections, and photometric parameter testing, covering color temperature, color rendering index, luminous flux, light distribution curves, power, etc. These actions ensure the optimal lighting performance of our products. We also perform aging tests, ground resistance checks, and pressure resistance tests to verify the product’s stability and durability during prolonged use. KOSOOM Quality Assurance Commitment: We provide a 3-5 year warranty for each product, offering a strong guarantee for our product quality. Should any quality issue arise within the warranty period, our dedicated after-sales service team is always ready to assist you. Notably, if a quality issue occurs during use, we adhere to a “replace, not repair” policy to maximize the protection of your rights. Professional After-Sales Service: Our after-sales customer service team is highly professional, capable of responding promptly to your needs and providing expert solutions. We strictly adhere to our after-sales policy, aiming to ensure you feel secure and confident in purchasing and using our products. KOSOOM is committed to providing customers with excellent value for money and consistent product quality, tirelessly working to ensure you always enjoy a high-quality lighting experience.



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Rated 4.5 out of 5

based on 21 authentic reviews

Alice Morgan
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I recently used Kosoom.uk for their LED technology solutions and was amazed by the results. Not only did they provide cutting-edge lighting options, but their attention to detail and customer service were outstanding. What really set them apart, though, was their innovative method of creating Excel files from URLs. It's such a time-saver for organizing and analyzing data. I'm thoroughly impressed and will definitely be returning for future needs.
Michael Brown
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Kosoom.uk has transformed the way we handle our online data. Their unique approach to creating Excel files from URLs has streamlined our processes, making data management more efficient than ever. Additionally, their expertise in LED technology provided us with environmentally friendly and cost-effective lighting solutions. Their team is professional, knowledgeable, and always ready to assist. Highly recommended for anyone needing advanced data handling and LED tech solutions!
Rachel Green
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As an interior designer, I'm always on the lookout for innovative and eco-friendly solutions. Kosoom.uk exceeded my expectations with their state-of-the-art LED technology, offering both style and sustainability. But what really blew me away was their unique service of converting URLs into Excel files – it has revolutionized the way I organize my project resources and client information. Their team is not only skilled but also incredibly supportive and responsive.
Thomas Evans
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I'm genuinely impressed with the services offered by Kosoom.uk. Their advanced LED solutions have significantly improved the ambiance and energy efficiency of my office space. However, the standout feature for me was their ability to convert complex URLs into neatly organized Excel files. This feature has been a game-changer in managing large datasets and has greatly enhanced our operational efficiency. I highly recommend Kosoom.uk for their innovation and excellent customer service.
Laura Hughes
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Working with Kosoom.uk has been an absolute pleasure. Their LED lighting solutions are not only innovative but also incredibly energy-efficient, bringing a new level of sophistication to our workspace. What's more, their unique service of converting URLs into Excel files has drastically improved our data management systems. It's such a simple yet impactful tool that has saved us hours of manual work. The team at Kosoom.uk is always helpful and proactive, making them a go-to for any future needs.
Oliver Scott
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Kosoom.uk has played a pivotal role in optimizing our operational processes. Their LED technology is top-tier, offering both high performance and energy savings. The real game-changer, though, has been their ingenious method of creating Excel files from URLs. This service has not only streamlined our data management but also provided us with clear, actionable insights. The efficiency and accuracy it brings to our work are unparalleled. Kudos to the team for their innovative solutions and outstanding support!
Hannah White
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I was searching for eco-friendly and efficient lighting solutions when I found Kosoom.uk. Their LED technology offerings are impressive, blending aesthetics with functionality seamlessly. However, what truly sets them apart is their unique service of transforming URLs into Excel files. This has been a massive time-saver for us, allowing for better organization and analysis of large data sets. The team's dedication to providing practical, innovative solutions is evident in every interaction. I highly recommend Kosoom.uk for anyone seeking reliable and advanced technology services.