Deutsch 
English Compactly dimensioned Siemens QRB4B yellow flame sensor with permanently connected, 2-wire thermoplastic cable. For monitoring yellow-burning oil flames in conjunction with automatic burner controls LME7 (on request), LME8 (on request), LMO, LMV2 and LMV3. The correct polarity must be observed!
Type QRB4B-B070B70, housing color black with normal sensitivity for front and side (90°) illumination
Housing length: 68 mm
Cable length: 700 mm
Dimension length: 70 mm
Type QRB4B-B070B70, housing color black with normal sensitivity for front and side (90°) illumination
Housing length: 68 mm
Cable length: 700 mm
Dimension length: 70 mm