LED Tube Light – White/4W/4000K/400lm/120˚/L309*W23*H31 – Kosoom L1402

IVA incl

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

2% discount

More than €500

4% discount

More than €1000

6% discount

More than €3000

Are you an electrician or lighting professional?​

SKU: L1402 Categories: ,


Range Plafoniera T5
Series SLL007-A
Color White
Power 4W
Color Temperature 4000K
Lumen (LM) 400
Angle 120˚
CRI ≥80
UGR ≤22
PF 0.9
Size L309*W23*H31


Welcome to the world of efficient lighting with Kosoom’s LED Tube Light. Our product, the LED Tube Light – White/4W/4000K/400lm/120˚/L309W23H31 – Kosoom L1402, is a beacon of modern illumination technology. In this comprehensive guide, we will delve into the details of this exceptional LED tube light, shedding light on its features, benefits, and how it can transform your lighting needs.

LED Tube Light – A Technological Marvel

LED tube lights are at the forefront of lighting innovation. Unlike traditional fluorescent tubes, which rely on older technology, LED tube lights harness the power of Light Emitting Diodes (LEDs). These semiconductor devices emit light when an electrical current flows through them. The result? Remarkable efficiency and illumination.

These specifications paint a vivid picture of the capabilities of our LED tube light, but there’s more to explore.

Energy Efficiency and Longevity

One of the standout advantages of LED tube lights is their energy efficiency. They provide substantial light output while consuming significantly less electricity compared to fluorescent alternatives. This translates into reduced electricity bills, making them an economically sound choice.

Moreover, LED tube lights have an impressive lifespan. You can expect them to last anywhere from 30,000 to 50,000 hours or even more. This extended lifespan not only saves you money on replacements but also reduces the environmental impact by decreasing waste.

Instant Illumination and Eco-Friendliness

Unlike some fluorescent lights that take a few minutes to reach full brightness, LED tube lights offer instant illumination. This feature is particularly useful in environments where immediate, well-lit spaces are crucial.

Furthermore, LED tube lights are eco-friendly. They don’t contain harmful substances like mercury, often found in fluorescent tubes, making them safer for both the environment and human health.

Types of LED Tube Lights

There are different types of LED tube lights to suit various needs:

  1. Direct Fit (Plug and Play): These tubes seamlessly replace existing fluorescent fixtures without any modifications, utilizing the existing ballast.
  2. Ballast-Bypass (Direct Wire): This type requires removing or bypassing the ballast and connecting the LED tube directly to the mains power.
  3. Ballast-Compatible: Offering flexibility, these tubes can work with or without a ballast.
  4. Hybrid: These tubes can operate either with a ballast or through a ballast bypass, giving you options for installation.

Brightness and Color Temperature

LED tube lights come in various brightness levels, measured in lumens, to meet your specific lighting requirements. Additionally, color temperature, measured in Kelvin (K), allows you to choose between warm, yellowish light (e.g., 2700K) or cool, blueish light (e.g., 6500K) to create the desired ambiance.

Compatibility and Price

Before purchasing LED tube lights, it’s essential to understand your existing fixture’s ballast type to ensure compatibility. While LED tube lights may have a higher upfront cost compared to fluorescent tubes, their energy savings and long lifespan make them a wise investment in the long run.

Safety and Installation

If you’re transitioning from fluorescent to LED, especially with ballast-bypass tubes, remember to follow safety protocols. Turn off power during installation and, if unsure, consult a professional for guidance.

In summary, Kosoom’s LED Tube Light is an epitome of energy efficiency, durability, and eco-friendliness. As we continue to explore its applications, installation guide, and Kosoom’s distinct advantages, you’ll gain a deeper understanding of why our LED tube light stands out in the market.


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Now that we’ve delved into the technical aspects of the Kosoom LED Tube Light, let’s explore the various scenarios and applications where this versatile lighting solution can illuminate your life.

1. Commercial Spaces: Kosoom’s LED Tube Light is ideal for commercial settings such as offices, retail stores, and warehouses. Its energy-efficient design not only brightens up these spaces but also helps reduce operational costs.

2. Industrial Facilities: In manufacturing facilities and warehouses, where consistent and efficient lighting is paramount, our LED tube lights offer a reliable solution. The long lifespan reduces maintenance hassles, ensuring uninterrupted productivity.

3. Residential Lighting: Don’t limit the brilliance of LED tube lights to commercial spaces. They can also transform your home with bright, instant illumination. Whether it’s the kitchen, living room, or garage, Kosoom’s LED Tube Light has you covered.

4. Educational Institutions: Schools and universities can benefit from our LED tube lights. The quality lighting enhances learning environments while saving on electricity bills, an essential factor for budget-conscious educational institutions.

5. Healthcare Facilities: In hospitals, clinics, and medical offices, proper lighting is vital. LED tube lights provide consistent and flicker-free illumination, contributing to patient comfort and staff efficiency.

6. Hospitality Industry: Hotels, restaurants, and cafes can create the perfect ambiance with LED tube lights. Choose the color temperature that suits your establishment, whether it’s warm and inviting or crisp and modern.

7. Outdoor Spaces: Kosoom’s LED Tube Light is suitable for outdoor use as well. Illuminate walkways, gardens, or parking areas with durable and energy-efficient lighting solutions.

8. Retrofit Projects: If you’re looking to upgrade your existing fluorescent lighting, Kosoom’s LED Tube Light offers a seamless transition. Choose the appropriate type to fit your current fixtures, and experience the benefits of LED technology.

Installation Guide

Installing Kosoom’s LED Tube Light is a straightforward process, and we’re here to guide you step by step. Whether you’re a DIY enthusiast or a professional electrician, follow these instructions to ensure a successful installation.

Step 1: Safety First

Before you begin, prioritize safety. Turn off the power supply to the existing lighting fixture at the circuit breaker or fuse box to avoid electrical accidents during installation.

Step 2: Verify Compatibility

Check the compatibility of your existing fixture with the type of LED tube light you have. If you’re using a direct fit (plug and play) LED tube, ensure it matches your fixture’s specifications.

Step 3: Remove the Old Tube

Carefully remove the old fluorescent tube by gently twisting it out of the sockets. Be cautious not to break the tube, as it contains hazardous materials.

Step 4: Bypass the Ballast (For Ballast-Bypass Tubes)

If you’re installing a ballast-bypass LED tube, you’ll need to disconnect or bypass the ballast. Follow the manufacturer’s instructions for your specific tube. Typically, this involves removing or rewiring the ballast.

Step 5: Connect the LED Tube

Insert the Kosoom LED Tube Light into the sockets, making sure it’s secure and properly aligned. If it’s a ballast-compatible tube, connect it as instructed in the manual.

Step 6: Restore Power

Turn the power supply back on and test the LED tube to ensure it’s functioning correctly. Enjoy the instant illumination and energy efficiency of your new lighting solution.

Remember, if you’re unsure about any step or have any concerns, it’s advisable to consult a qualified electrician for professional installation.

Kosoom’s Advantages

Kosoom, as a leading Italian lighting brand specializing in commercial lighting, offers a range of advantages that set us apart from the competition. Our commitment to excellence is reflected in our products and services.

1. Strong Supply Chain

With 20 years of experience in the supply chain, Kosoom boasts a robust and efficient system. This allows us to offer wholesale prices that are 1/2 or even 1/3 of the market price, providing exceptional cost-effectiveness to our customers.

2. Free Lighting Solutions

Unlike many brands in Europe, Kosoom provides free lighting solutions. Our team of experts can assist you in finding the perfect lighting solutions tailored to your specific needs, ensuring optimal lighting performance.

3. Large-Scale Presence

We have a substantial offline presence in Europe, with an annual GMV of 40 million USD. Our extensive network includes 12 factories, warehouses, and showrooms covering over 8000 square meters. With over 1000 employees, we are well-equipped to meet the demands of our customers.

4. In-House Manufacturing

Kosoom takes pride in owning its factory, ensuring that all our lights are produced in-house. This seamless blend of factory and trade allows us to maintain rigorous quality control and offer OEM services upon customer request.

5. Certification and Warranty

Kosoom has obtained all certifications related to LED lights in Europe, ensuring that our products meet the highest standards of quality and safety. We back our LED Tube Light with a 5-year warranty, providing peace of mind to our customers.

6. Online and Offline Presence

Our strategic approach combines online and offline operations, enabling us to serve customers efficiently. We operate multiple official websites dedicated to serving European customers, including kosoom.uk, focused on providing services in the UK.

In conclusion, Kosoom’s LED Tube Light embodies excellence in lighting technology and customer service. Our commitment to cost-effectiveness, quality, and sustainability makes us the ideal choice for all your lighting needs. Explore the brilliance of Kosoom and illuminate your world with confidence.

By choosing Kosoom, you’re not just buying a product; you’re investing in a brighter and more energy-efficient future.


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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.

At Kosoom, a professional and strong commercial lighting company, quality has always been our top priority. To make sure our products offer the best value for money in the market, we've implemented a range of strict quality control measures. This ensures that every light fixture that leaves our factory has been meticulously crafted and rigorously checked. Quality Inspection Process: Before any product leaves our factory, it undergoes a thorough quality inspection process. This includes a visual check to make sure there are no scratches on the casing or mirror, that screws are tightened, and labels are correct. Additionally, we carry out photometric parameter testing, which covers color temperature, color rendering index, luminous flux, light distribution curve, power, and power factor, to guarantee optimal lighting performance. We also conduct ageing tests, ground resistance detection, and withstand voltage tests to confirm the product's stability and durability with prolonged use. Quality Assurance Commitment: We offer a 3-5 year warranty on every product, a solid testament to our quality. If there are any quality issues during the warranty period, our dedicated after-sales service team is always on hand to help you. More importantly, we promise a 'replacement rather than repair' policy for any quality issues, ensuring your rights are fully protected. Professional After-Sales Service: Our after-sales service team is highly professional and ready to respond to your needs promptly, providing expert solutions. We implement our after-sales policies clearly and precisely, giving you peace of mind when purchasing and using our products. Kosoom is committed to delivering excellent value for money and superior product quality to our customers. We'll continue to work tirelessly to ensure your lighting experience remains consistently high-quality.
Hey there! Welcome to Kosoom! We're thrilled to offer you some of the best value-for-money lighting products available in Europe, plus a bunch of great shopping perks: Free Shipping Policy: In Italy, if your order goes over €120, we'll deliver it to you for free. Across other parts of Europe, just bump your order up to over €200 and you'll also enjoy free shipping. Multiple Discount Offers: Spend over €500, and you'll get an extra 2% off. Cross the €1000 mark, and you'll see a 4% discount. And if you really go big and spend over €3000, you'll get a whopping 6% off. Exclusive Industry Discounts: For electricians, wholesalers, or corporate buyers, we've got even more discounts tailored to your specific needs, with bulk discounts of up to 20%. Quick Dispatch Service: Once we confirm your order, we'll get it shipped out within 24 to 48 hours, ensuring your desired products reach you as soon as possible. Long-term Warranty: All our light fixtures come with a 3-5 year quality guarantee, giving you extra peace of mind with your purchase. Get in Touch: Whatever questions or needs you have, we're here for you. Call us at +039 515 6222 or email us at [email protected] Kosoom is looking forward to providing you with top-quality lighting products and service with a personal touch. Let's create a bright and cosy lighting environment together!