UV flame detector, normal sensitivity, with flange/clamp
Tightening torque for QRA2 housing screws: Max. 0.3 Nm
Flame detectors QRA2 = Plastic housing, metalized to prevent static charging caused by the air flow from the fan. For mounting direct on the burner .
The detectors can be supplied with or without securing flange (version 4 241 8855 0/4 241 8898 0) and clamp (refer to «Type summary»).