Siemens LFE1/8868
Oil/gas burner control, t1=30s, TSA=2s, t9=2s, AC100...110V/60Hz
The LFE1... is designed for the fully automatic control and supervision of single-stage,multi-stage or modulating gas or dual-fuel burners. It is suited for use with expanding flame and interrupted pilot type gas burners.
Datasheet