1 2 , ▁S aut er ▁brought ▁its ▁first ▁product ▁to ▁the ▁market ▁in ▁the ▁form ▁of ▁a ▁time - switch ▁– ▁an ▁astronom ical ▁clock ▁for ▁switching ▁city ▁street ▁light ing ▁on ▁and ▁off . ▁The ▁lights ▁were ▁switched ▁on ▁and ▁off ▁in ▁the ▁evening ▁and ▁morning , ▁at ▁the ▁season al ▁hour ▁for ▁tw il ight . ▁ ▁In ▁ 1 9 1 7 , ▁S aut er ▁developed ▁a ▁bo iler ▁for ▁the ▁Bas el ▁power ▁station , ▁which ▁was ▁well ▁received ▁on ▁the ▁market . ▁The ▁company ▁had ▁already ▁moved ▁its ▁work shop ▁to ▁Bas el ▁in ▁ 1 9 1 6 ▁because ▁of ▁its ▁good ▁relationship ▁with ▁the ▁power ▁station . ▁ ▁In ▁ 1 9 3 5 , ▁S aut er ▁took ▁the ▁step ▁from ▁time - ▁or ▁temperature - control led ▁activation ▁of ▁equipment ▁to ▁control ▁technology , ▁thus ▁lay ing ▁the ▁foundation ▁for ▁its ▁current ▁main ▁business . ▁ ▁In ▁the ▁early ▁ 1 9 5 0 s , ▁S aut er ▁started ▁integr ating ▁electron ics ▁into ▁the ▁products . ▁The ▁product ▁range ▁compr ised ▁devices ▁for ▁cont rolling ▁temperature , ▁hum id ity ▁and ▁pressure . ▁ ▁In ▁ 1 9 7 4 , ▁S aut er ▁brought ▁its ▁first ▁software - control led ▁building ▁management ▁system ▁onto ▁the ▁market ; ▁in ▁ 1 9 8 1 , ▁the ▁first ▁devices ▁with ▁micro process ors . ▁ ▁In ▁ 1 9 8 4 , ▁S aut er ▁Hold ing ▁AG ▁was ▁founded ▁to