Electro-Mech Pres Cntrl Sw, Pressure Control, Copper Alloy Bellows, 2.5…20 psi Operating Range, 30"Hg...35 psi Operating Range, 8…100 psi Operating Range, 2.5…20 psi Operating Range, 8…100 psi Operating Range, 30"Hg...35 psi Operating Range, Type 1, 4 & 13 Industrial, 2-Circuit Contact Block - Std., Standard Trip/Reset Setting Electro Mech Pres Cntrl Sw,Pressure Control,Copper Alloy Bellows,2.5…20 psi Operating Range,30"Hg...35 psi Operating Range,8…100 psi Operating Range,2.5…20 psi Operating Range,8…100 psi Operating Range,30"Hg...35 psi Operating Range,Type 1,4 & 13 Industrial,2 Circuit Contact Block Std.,Standard Trip/Reset Setting