Product Description:
QRB...photoresistive flame detectors are used with combustion controllers to detect fuel oil flames in the visible spectrum
Brand: SIEMENS (Siemens)
Origin: Germany
Technical Parameters - Siemens QRB1 Flame Detector
Main parameters Protection class IP40 When connected to LOA.../LAL..., cable length 1.5m Maximum connection cable 2*0.75mm2, 5.1mm diameter Weight 20...35g
Environmental conditions Transport environment IEC 60 721-3-2 Internal conditions class 2K2 Temperature range -20...+60oC Humidity <95% Operating environment IEC 60 721-3-3 Internal conditions class 3K5 Mechanical conditions class 3M2 Temperature range -20. ..+60oC Humidity<95% no water ingress