e/Control relay

Information
has gloss	eng: A control relay is an electromechanical device which activates one or more switches according to the current through a coil not connected to the switches. The thyristor is a semiconductor device which carries out similar functions.
lexicalization	eng: control relay
instance of	(noun) electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit relay, electrical relay