Siemens QRB1A-A070B70A1 Photoresistive flame detector, normal, housing 50mm, cable 70cm, stripped 70mm Datasheet

Siemens QRB1A-A070B70A2 Photoresistive flame detector, normal, housing 50mm, cable 70cm, stripped 70mm Datashe

Siemens QRB1B-A070B70A1 Photo Resistive flame Detectors Datasheet

Siemens QRB4A-B070B70 Yellow flame detector for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum. Datasheet

Siemens QRB1B-A070B70A2Datasheet </