The flame detector is used for the supervision of gas flames, yellow- or blue-burning oil flames and for ignition spark proving in intermittent operation.

Available Models:

QRA4.U - Normal Sensitivity
QRA4M.U - High Sensitivity

Accessory for:

Resources:

QRA4 Flame Scanner Technical Literature

Also See from Siemens LME Series:

Burner Controls

Program Modules

Actuators

Flame / UV Sensors

Self Check Scanners for LME75

Other Accessories

Display and Operating Units

AZL2 Display Units

Communication and service tools

Enlosures

LME7 Enclosure Kit

Also See from Siemens LMV3 System:

Burner Controls

Touchscreens

Total Boiler Solutions

Actuators

Flame / UV Sensors

Other Accessories

Display and Operating Units

AZL2 Display Units

Communication and service tools

Switch Units

AGM60.4A9 Switch Unit

Brackets

Speed Sensors

AGG5.305 Speed Sensor Kit

Fuses

Siemens Fuse

Also See From Siemens LMV5 System:

Burner Controls

LMV5 Burner Control Base Unit

Touchscreens

Total Boiler Solutions

Actuators

Flame / UV Sensors

Other Accessories

Display and Operating Units

AZL52 Display Unit
AGG5.635 Display Unit Cable

Communication Cable

Transformer / Power Supplies

AGG5.210 Transformer

Oxygen Sensor

Brackets

LMV5 Control Unit Mounting Bracket
BR-N4-SQM33 Nema 4 Kit
CBAIR Bracket - Actuator to Air Damper Kit
CBOIL Bracket - Actuator to Fuel Oil Control Kit

Speed Sensors

AGG5.305 Speed Sensor Kit

Fuses

Siemens Fuse

.