LFL

Siemens LFL1.622 Gas burner control, t1=65s, TSA=2s, t9=2s, AC230V (for intermittent operation) For unlimited performance with ionisation monitoring or with UV monitoring also for oil and combined burners Mains voltage mains frequency: 220 V - 15% .....

Siemens LFL1.335 Gas burner control, t1=37s, TSA=2.5s, t9=5s, AC230V Datasheet          

Siemens LFL1.333 Datasheet English Deutsch French

Siemens LFL1.122 Gas burner control, for flash-steam generators, t1=10s, TSA=2s, t9=2s, AC230V Datasheet