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● LME39… are used for the startup and supervision of 1- or 2-stage gas
or gas burners in intermittent operation.
● The flame is supervised by an ionization probe or flame detector type
QRA… with ancillary unit AGQ3.xA27 for gas forced draft burners.
● Standards and certificates
● Undervoltage detection
● Air pressure supervision with function check of the air pressure switch during startup and operation
● Electrical remote reset facility
● Multicolor indication of fault status and operational status messages
● Limitation of the number of repetitions
● Accurate program sequences thanks to digital signal handling
● Controlled intermittent operation after a maximum 24 hours of continuous operation
● BCI
● Mains voltage: AC 230V, -15%/+10%
● Power consumption: 12VA
● Safety class I.
● Degree of protection IP40
● Software class Class C in accordance with DIN EN 60730-2-5:2011 2-channel structure
● Input current at terminal 12 Max. 5 A
● Environmental conditions Operation DIN EN 60 721-3-3
Climatic conditions Class 3K3
Mechanical conditions Class 3M3
Temperature range -20...+60°C
Humidity <95%r.F.
● Weight: Approx. 160g
● Life cycle：Burner controls have a designed lifetime* of 250,000 burner startup cycles which
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