SIEMENS QRA4.U PHOTOCELL FLAME DETECTOR (C31126U)
SIEMENS QRA4.U PHOTOCELL FLAME DETECTOR (C31126U). UV flame detector for use with burner controls from Siemens for the supervision of gas or oil flames.
The QRA4.U and this Data Sheet are intended for use by OEMs which integrate the flame detectors in their products.

