Siemens QRB4A-B110B70 Yellow flame detector for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum. Datasheet
Siemens QRB4A-B150B70 Yellow flame detector for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum. Datasheet
Siemens QRB1A-A068B70B Photo Resistive Flame Detectors The Siemens photo-resistive flame detector QRB1A-A068B70B is suitable for Landis & Staefa burner controls and is used for the supervision of...
Siemens QRB4A-B070B70 Yellow flame detector for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum. Datasheet