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QRB1
SIEMENS
QRB... The photoresistor flame detector is used together with the combustion controller to detect the fuel flame in the visible spectrum
technical parameter
Main parameters
Protection level IP40
When connecting to LOA/ LAL... When the cable length is 1.5m, the maximum
Connecting cable 2 * 0.75mm2,5.1mm diameter
Weight 20... 35g
Environmental conditions
Transportation environment IEC 60 721-3-2
Internal conditions class 2K2
Temperature range -20...+60 º C
Humidity<95%
Operating environment IEC 60 721-3-3
Internal conditions class 3K5
Mechanical conditions class 3M2
Temperature range -20...+60 º C
Humidity<95%
QRB... The photoresistor flame detector is used together with the combustion controller to detect the fuel flame in the visible spectrum
technical parameter
Main parameters
Protection level IP40
When connecting to LOA/ LAL... When the cable length is 1.5m, the maximum
Connecting cable 2 * 0.75mm2,5.1mm diameter
Weight 20... 35g
Environmental conditions
Transportation environment IEC 60 721-3-2
Internal conditions class 2K2
Temperature range -20...+60 º C
Humidity<95%
Operating environment IEC 60 721-3-3
Internal conditions class 3K5
Mechanical conditions class 3M2
Temperature range -20...+60 º C
Humidity<95%