The SF810INT-LOS-UV-T-L is a high-performance ultraviolet flame scanner from ABB’s SF810 series for utility and industrial boiler applications. Using a UV solid-state sensor in a Line-of-Sight (LOS) configuration, it detects flame presence and quality with high precision. This model is optimized for wall-mounted, corner-fired, and down-fired burner systems operating on multiple fuel types.
Product Specifications
Detection Technology: UV solid-state sensor
Spectral Response Peak: 280 nm
Power Supply: 24 VDC (range: 18–29 VDC)
Power Consumption: 3.6 W typical, 4 W max
Inrush Current: 6 A peak (2 ms duration)
Flame Relay Contacts: 1 NO contact rated 240 VAC / 1.5 A
Flame Failure Response Time (FFRT): Adjustable from 0.2 to 4 s
Analog Output: 4–20 mA, galvanically isolated, ±5% full scale
Digital Inputs: 2 opto-coupled (24 VDC) for parameter selection
Communication Ports: Dual RS-485 (Modbus or Profibus), up to 12 Mbit/s
Local Interface: 4 push buttons with 3-digit LED display
Lens Cleaning Air Flow: 115 l/min (4 SCFM)
Minimum Cleaning Air Pressure: 20 mm H₂O above windbox pressure
Operating Temperature: –40°C to +85°C
Mounting Thread: 1" NPT male
Cable Entry Thread: ¾" NPT female
Dimensions: 257 mm × 138 mm × 175 mm
Weight: 1.3 kg
Protection Rating: IP66/IP67
Certifications: ATEX II 2GD Ex d IIC T6 tD A21
Installation Notes
Designed for direct flame viewing via LOS configuration.
Requires clean ambient air for lens cleaning.
Initial configuration (protocol and address) must be performed in a non-hazardous area.
Use ABB-certified fiber optic accessories for ATEX compliance (if applicable).
Avoid disconnection under power in hazardous zones; locking screw provided.
Compatible with ABB FAU810 Flame Analysis Unit for extended diagnostics.
Answer 1: PLC DCS Pro Ltd. collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
Question 2: What Is The Warranty Period?
Answer 2: We offer a standard one-year warranty for all new and original items.
Question 3: What Payment Methods Do We Accept?
Answer 3: We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
Question 4: What Shipping Methods Do We Use?
Answer 4: We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
Question 5: What Is Our Delivery Time?
Answer 5: Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
Question 6: How Do We Package The Goods?
Answer 6: Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
Question 7: How Can Customers Contact Us And Request A Quote?
Answer 7: Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
Warranty Conditions
At PLC DCS Pro Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
🛡️Coverage Details:
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
📝Claim Process:
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
🚚Shipping Assistance:
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.
🚫Exclusions:
Unauthorized modifications, repairs, or misuse of the product.
