Q: What is a line source controller used for?
A: A line source controller provides stable power regulation for LED line lights used in machine vision, line scan imaging, and continuous industrial inspection systems.

Q: What is the difference between constant current and constant voltage models?
A: Constant current controllers maintain a fixed output current for high-power LED line lights, while constant voltage controllers provide a stable output voltage, typically 24V, for compatible lighting systems.

Q: Which line lights are compatible with Rapixel line source controllers?
A: These controllers are designed for Rapixel LED line lights and other compatible industrial line lighting systems that match the required voltage, current, and connector specifications.

Q: Can these controllers support high-speed line scan cameras?
A: Yes. They deliver stable, flicker-free illumination, making them ideal for high-speed line scan cameras used in web inspection, battery production, printing, and other continuous manufacturing processes.

Q: What power options are available?
A: The series offers models ranging from 300W to 1200W, with single-channel and dual-channel configurations to accommodate various industrial lighting requirements.

Q: Which industries commonly use line source controllers?
A: They are widely used in battery manufacturing, PCB inspection, semiconductor production, printing, steel processing, glass inspection, textile manufacturing, packaging, and automated machine vision systems.

🧾 International Shipping & Import Duties
All orders are shipped from our warehouse in China. Import duties, taxes, and customs fees may apply depending on your country's regulations and are the responsibility of the customer. If your shipment requires a Tax ID, VAT number, EORI number, or other customs information, please email it to info@rapixeltech.com after placing your order to help avoid customs clearance delays.

Additional Requirements for U.S. Customers
Due to U.S. import tariffs and customs requirements, please provide your company name and your FedEx, UPS, or DHL account number to info@rapixeltech.com after placing your order. This helps ensure smooth customs clearance and delivery.

💳 Payment Processing Fees
Payment processing fees are non-refundable. If an order is refunded, a processing fee of 2.5%–6% (depending on your payment method) will be deducted. These fees are charged by Shopify Payment, not by Rapixel Tech.

✅ Made-to-Order Products
Most of our products are made to order or prepared specifically for your purchase. Please confirm your requirements before placing your order. If you have any questions, feel free to contact info@rapixeltech.com before purchasing.

● Please kindly be informed that we do not accept returns or exchanges for any reason other than product defects or quality issues. 

● Before placing the order, all customers need to take the responsibility to confirm that the selected product is suitable for your needs and meets your intended application, and we are not responsible for any customer's application. Accordingly please note the following return or exchange requirements will be rejected.
>Misunderstanding or incorrect product selection
>Mismatch for intended use
> Other reasons for personal dissatisfaction

● We are confident to ensure that all our products could reach 100% qualified in QC and QA when they are ready for shipping. But in case any product you receive is damaged, defective or does not match the description provided, you always have the objection period of 3 working days from the receiving date, among when you could submit all your queries or any other comments.

We appreciate your understanding and cooperation in supporting our return and exchange policy. Thank you for shopping, and we look forward to serving you any time.