... QW-M15-1,2,3,4,5,6 Type Float Level Switch Controller APPLICATION Simple Construction, reliable performance: The product can ... and strong generality: The product can be used to the level of sewage, acid-base solution of less than medium concentration ... pollution, diesel oil gasification kitchen range, as well as automatic fuel feeding. TECHNICAL PARAMETER QW-M15Rated voltage:125V/250V (380V)Rated ...