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relay contacts

См. также в других словарях:

  • Relay — This article is about the electrical component. For other uses, see Relay (disambiguation). Automotive style miniature relay, dust cover is taken off A relay is an electrically operated switch. Many relays use an electromagnet to operate a… …   Wikipedia

  • Relay logic — is a method of controlling industrial electronic circuits by using relays and contacts. ladder logic The schematic diagrams for relay logic circuits are often called line diagrams, because the inputs and outputs are essentially drawn in a series… …   Wikipedia

  • relay logic — relinė logika statusas T sritis automatika atitikmenys: angl. relay logic vok. Kontaktverknüpfung, f; Schaltungslogik, f rus. релейная логика, f pranc. logique à contacts, f …   Automatikos terminų žodynas

  • Relay — A&V An electromechanical device having electrical contacts that open or close when current is applied to the activating mechanism of the device …   Audio and video glossary

  • Protective relay — See also: Power system protection In electrical engineering, a protective relay is a complex electromechanical apparatus, often with more than one coil, designed to calculate operating conditions on an electrical circuit and trip circuit breakers …   Wikipedia

  • Control relay — 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.A relay is… …   Wikipedia

  • Wire spring relay — A wire spring relay is a type of relay, primarily manufactured by the Western Electric Company for use by the Bell System in electromechanical telephone exchanges. It was licenced for use around the world, and was commonplace in Japan. A wire… …   Wikipedia

  • Reed relay — A reed relay is one or more reed switches controlled by an electromagnet. The contacts are of magnetic material and the electromagnet acts directly on them without requiring an armature to move them. Sealed in a long, narrow glass tube, the… …   Wikipedia

  • Digital protective relay — In electrical engineering of power systems, a digital protective relay uses a microcontroller with software based protection algorithms for the detection of electrical faults. Such relays are also termed as microprocessor type protective relays.… …   Wikipedia

  • Video Relay Service — A Video Relay Service (VRS) is a telecommunication service that allows deaf, hard of hearing and speech impaired individuals to communicate over the phone with hearing people in real time, using a sign language interpreter. In America, the… …   Wikipedia

  • relais sans contacts — bekontaktė relė statusas T sritis automatika atitikmenys: angl. contactless relay; solid state relay; static relay vok. kontaktloses Relais, n rus. бесконтактное реле, n pranc. relais sans contacts, m …   Automatikos terminų žodynas

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