Electromechanical relays are electrically operated switches used to isolate circuits or batteries, detect faults on transmission and distribution lines, and control a high powered circuit using a low ...
History Computer (US) on MSN12 天
History of The Electromechanical Relay
Electromechanical Relay The electromechanical relay, used as a constructive part of some early calculators and computers (see ...
Relay sockets accept electromechanical switches in which the variation of current in one electric circuit controls the flow of electricity in another circuit. Relay sockets are made of metal or ...