Electro Mech Pres Cntrl Sw,Pressure Control,Copper Alloy Bellows,525 psi Operating Range,540 psi Operating Range,675 psi Operating Range,24250 psi Operating Range,525 psi Operating Range,540 psi Operating Range,24250 psi Operating Range,675 psi Operating Range,Type 1,4 & 13 Industrial,2 Circuit Contact Block Std.,Red LED Pilot Light 24V DC,Standard Trip/Reset Setting