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Estimated delivery: 24/08/2025 - 29/08/2025.
⚡ Fast Delivery: USPS Priority Mail
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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We offer fast and secure shipping across the United States. Orders are typically processed within 7–10 business days and shipped via trusted carriers such as UPS, FedEx, or USPS. Shipping times vary based on destination and selected shipping method.
If you’re not completely satisfied with your purchase, you may return it within 14 days of delivery. To be eligible for a return, the item must be unused, in its original packaging, and in resalable condition. Please contact our support team at info@circlighting.com to initiate a return or for further assistance.
The CIRC 300W LED Retrofit Kit is a high-performance lighting upgrade solution designed to replace traditional HID and metal halide lamps in existing high bay fixtures. Delivering bright 5000K daylight illumination, this retrofit module improves visibility, efficiency, and operational reliability while eliminating the need for full fixture replacement.
Built for industrial and commercial environments, the retrofit kit supports a wide input voltage range of 100–277V, with optional high-voltage compatibility. Premium LED chips combined with a professional-grade driver ensure consistent output, reduced energy consumption, and long service life.
High-output 300W LED retrofit module
5000K daylight white for clear and uniform illumination
Wide voltage compatibility: AC 100–277V
Selectable power range: 100W to 300W options available
High-efficiency LED technology delivering 135–145 lm/W
120° wide beam angle for even light distribution
Adjustable 180° design for flexible installation
E39 / E40 base compatibility
Premium Meanwell driver for stable operation
Reduced energy and maintenance costs
5-year warranty
CE, ETL, cETL, DLC certified
| Specification | Details |
|---|---|
| Brand | CIRC |
| Product Type | LED Retrofit Kit |
| Model Number | NG-RK-300W-508 |
| Wattage | 300W |
| Power Options | 100W – 300W |
| Color Temperature | 5000K |
| Input Voltage | AC 100–277V |
| Extended Voltage Option | AC 185–528V |
| LED Chips | SMD2835 / SMD3030 |
| Luminous Efficacy | 135–145 lm/W |
| Beam Angle | 120° |
| Mounting Adjustment | 180° |
| Base Type | E39 / E40 |
| Driver | Meanwell |
| Warranty | 5 Years |
| Certifications | CE, ETL, cETL, DLC |
| Application | High Bay Retrofit Conversion |
The CIRC 300W LED Retrofit Kit utilizes advanced SMD2835 and SMD3030 LED chips to deliver powerful light output with excellent energy efficiency. This design ensures reduced heat buildup, stable performance, and long-term reliability in demanding environments.
Featuring a 180-degree adjustable structure and E39/E40 base compatibility, this retrofit module allows quick installation into existing fixtures—minimizing downtime and labor costs during lighting upgrades.
With a 120-degree beam angle, the retrofit kit provides broad, consistent illumination across large spaces, reducing dark spots and improving overall lighting quality.
Upgrading to the CIRC 300W LED Retrofit Kit can significantly lower energy usage compared to HID systems while extending service life. The 5-year warranty further ensures dependable performance and reduced maintenance expenses.
Warehouses and logistics centers
Industrial production facilities
Gymnasiums and sports halls
Big-box retail spaces
Aircraft hangars and workshops
CIRC delivers professional-grade LED retrofit solutions designed for efficiency, durability, and ease of installation. The CIRC 300W LED Retrofit Kit provides a cost-effective way to modernize high bay lighting while maximizing performance and return on investment.
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