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⚡ 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 ship across the United States via trusted carriers including UPS, FedEx, and USPS. Shipping costs are calculated based on item weight and are displayed at checkout. Standard delivery takes 50–60 business days. Express shipping (20–25 business days) is available on select products. Tracking information is emailed once your order ships.
Returns are accepted only if the item arrives damaged, defective, or does not match its listed technical specifications. All other sales are final once your order has shipped — including change of mind, incorrect size ordered, or color appearance differences. To submit a claim, email customercare@sellcongroup.com within 48 hours of delivery with your order number and photos. Return shipping is the customer's responsibility. Refunds are processed after the item is received and inspected at our warehouse.
The CIRC 400W LED Linear High Bay 5000K is engineered to deliver high-intensity, uniform illumination for expansive commercial and industrial environments. Its ultra-thin linear design provides wider light coverage, making it ideal for high ceilings where consistent brightness is essential.
Featuring a 0–10V dimmable driver, this fixture allows flexible lighting control to reduce energy consumption during off-peak hours. The 5000K daylight color temperature enhances clarity and visibility, improving safety and productivity across workspaces. Designed to operate on a 100–277V AC voltage range, it ensures stable performance in diverse installations.
With support for an optional microwave motion sensor and backed by a 5-year warranty, the CIRC 400W LED Linear High Bay is a dependable, long-lasting lighting solution.
High-output 400W LED linear high bay
5000K daylight illumination for maximum visibility
0–10V dimmable for energy efficiency
Ultra-thin housing for larger area illumination
Optional microwave motion sensor compatibility
Wide voltage range: 100–277V AC
Clean white finish
5-year warranty
| Specification | Details |
|---|---|
| Model Number | NG-LHB-400W-508-W |
| Wattage | 400W |
| Color Temperature | 5000K |
| Dimming | 0–10V Dimmable |
| Input Voltage | 100–277V AC |
| Design | Ultra-thin linear |
| Sensor Option | Microwave motion sensor (optional) |
| Finish | White |
| Warranty | 5 Years |
Warehouses and logistics centers
Manufacturing plants
Aircraft hangars
Large retail stores
Convention centers and gymnasiums
CIRC lighting products are built for performance, efficiency, and durability. The 400W LED Linear High Bay delivers powerful illumination with advanced control options, helping reduce operating costs while maintaining superior light quality in demanding environments.
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