Scatola di comando Siemens LGB21.130A17

Siemens LGB21.130A17 electromechanical burner control is used for start-up and monitoring of one- and two-stage gas or combined gas/oil burners in intermittent operation. Pre-purge time: 7 s. Safety time TSA: 3 s. Pre-ignition time: 2 s.