Siemens QRB4A-B050B70B Yellow flame detector for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum. Datasheet
Siemens QRB4B-D050B40B Yellow flame detector for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum. Datasheet
Siemens QRB4B-B036B40B Yellow flame detector for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum. Datasheet
Siemens QRB4B-B036B40 Yellow flame detector for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum. Datasheet
Siemens QRB4B-C036B40B Yellow flame detector for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum. Datasheet
Siemens QRB4B-D030A25 Yellow flame detector for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum. Datasheet
Siemens QRB4B-B036A25 Yellow flame detector for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum. Datasheet
Siemens QRB4B-B025B40B Yellow flame detector for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum. Datasheet
Siemens QRB4B-C036B40 Yellow flame detector for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum. Datasheet