Siemens Photo Resistive Flame Detectors QRB1 Series

The QRB..  are the photo resistive detectors which for use with Siemens burner controls, for the supervision of oil flames in the visible light spectrum, primarily in connection with oil burner controls in intermittent operation. They are designed for the supervision of yellow-burning oil flames in connection with burner controls type LAL…, LME7…, LMO…, LMV… and LOA…

In general, the compact of photo resistive flame detector QRB… are with infused 2-wire thermoplastic cable. It is available with normal sensitivity, high sensitivity, or selected higher sensitivity, with or without flange and clamp or soft plastic plug.

QRB1A ModelQRB1B Model
QRB1A-A020B40AQRB1B-A017A25B
QRB1A-A033B40BQRB1B-A018B40B
QRB1A-A035B40AQRB1B-A033B40B
QRB1A-A048B70BQRB1B-A035B40A
QRB1A-A050B70AQRB1B-A042B20B
QRB1A-A068B70BQRB1B-A048B40B
QRB1A-A070B70AQRB1B-A048B70B
QRB1A-A080B70AQRB1B-A050B70A
QRB1A-A148B70BQRB1B-A068B70B
QRB1A-A150B70AQRB1B-A070B70A
QRB1A-B036A25AQRB1B-A148B70B
QRB1A-B080B70AQRB1B-B017A25B
QRB1A-B110B70AQRB1B-B035B25A
QRB1A-A014U25BQRB1B-B036A25A
QRB1B-C036B40A
QRB1B-C048A40B
QRB1B-C060B40A
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