... kinds of definite purpose contactor,Dp contactor,HVAC contactor,Air conditioner contactor. SA-4P-30A-480VAC Features: 1 ... Definite Purpose Contactors are suitable for commercial applications including air conditioning, refrigeration, resistive heating, lighting and many ... accept hex, slotted or Phillips screwdrivers. Also can supply the Auxiliary Switches together with the Definite Purpose Contactor. ...