
Siemens QRB1B-B017A25B flame sensor
Siemens QRB1B-B017A25B flame sensor is a compact and reliable photodetector for monitoring the presence of flame in liquid fuel burners. The device is designed for use in automatic combustion control systems and ensures safe and stable operation of boiler, heating, and thermal equipment. Siemens QRB1B-B017A25B monitors the presence of flame during burner operation and transmits a signal to the burner control. If the flame goes out, the sensor immediately initiates an emergency shutdown of fuel supply, helping to prevent accidents, increase operational safety, and protect the system from damage. The model features high sensitivity to flame light emission, stable operation, and durability even under intensive use. The sensor is widely used in diesel and fuel oil burners of heating boilers, heat generators, and other thermal equipment where reliable combustion monitoring is required. Advantages of Siemens QRB1B-B017A25B: • Reliable flame presence monitoring • Fast response in case of flame loss • Suitable for liquid fuel burners • High sensitivity and stable operation • Compatibility with Siemens burner controls • Compact design and easy installation • Durability and easy maintenance Specifications: • Device type: flame sensor / photodetector • Model: Siemens QRB1B-B017A25B • Purpose: flame monitoring for liquid fuel burners • Fuel type: diesel fuel, fuel oil • Operating principle: photoelectric flame monitoring • Compatibility: Siemens burner controls • Application: boilers, heat generators, burner devices • Installation: built into burner equipment • Housing material: heat-resistant plastic • Manufacturer: Siemens • Country