Detection Range:200mm
Response Time:Less than 1s
Operating Temperature:-20°C to +70°C
Power Consumption:Max. 10W
Connectivity:2-wire system, RS-485 interface
Enclosure Protection:IP65
Operating Voltage:24V DC
LED Indicator:Red LED for flame detection status
Introducing the SIEMENS QRI2B2.B180B1 Infrared Flame Detector, a sophisticated solution designed for industrial applications where reliable flame detection is critical. This detector leverages cutting-edge infrared technology to provide accurate and immediate response to potential fire hazards.
Equipped with a wide operational temperature range from -40°C to +70°C (-40°F to +158°F), this detector ensures reliable performance in various industrial environments, including those with extreme temperatures.
With a detection distance of up to 18 meters (60 feet) under optimal conditions, it is capable of monitoring large areas for any signs of flame, offering enhanced safety and peace of mind.
Featuring 2 Form-C, normally open relay outputs, the detector allows for seamless integration into existing safety systems, enabling quick and efficient action upon detection of flames.
Operating on a stable 24V DC supply, the device consumes a maximum of 60mA, making it energy-efficient and suitable for use in power-sensitive environments. Its compact design supports surface mounting, ensuring easy installation without compromising space.
The QRI2B2.B180B1 is rated IP65 (NEMA 4X), providing robust protection against dust and water ingress, ensuring it performs reliably even in harsh industrial conditions.

For more industrial automation solutions, visit World PLC.
Explore additional PLC products at Weikun Automation.
Looking for reliable industrial automation solutions? Our industrial automation product offers superior performance, competitive pricing, and fast global shipping. Trusted by engineers worldwide for PLC, DCS, and motion control applications.
📦 Fast Delivery | 🔧 Technical Support | 💰 Best Price Guarantee
Contact us today for bulk pricing and availability. We stock major brands including Siemens, Allen-Bradley, ABB, Schneider, Mitsubishi, and more.
🔗 Visit World PLC for more automation products and solutions.
🔗 Explore Weikun Automation for additional industrial control equipment.










There are no reviews yet.