[TechColab] needed to control a solenoid valve with a short pulse via a solid-state relay (SSR ... and an on-board relay or SSR that can switch up to 3 A. For heavy loads, it includes connections ...

Double throw (DT) switches are two-way devices. Double throw relays have three contacts and two positions: in the first position, contacts 1 and 2 are in contact, but the third remains open. In the ...