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double-contacts switch

См. также в других словарях:

  • double-pole switch — noun : an electrical switch having two blades with their contacts for simultaneous opening or closing both sides of a circuit …   Useful english dictionary

  • double-throw switch — noun : an electric switch having moving blades that may engage either of two different sets of fixed contacts …   Useful english dictionary

  • Switch — For other uses, see Switch (disambiguation). Electrical switches. Top, left to right: circuit breaker, mercury switch, wafer switch, DIP switch, surface mount switch, reed switch. Bottom, left to right: wall switch (U.S. style), miniature toggle… …   Wikipedia

  • Double switching — A single switched relay can close inadvertently in response to a single false feed current. A double switched relay cannot close inadvertently with the application of the same current. At least two separate faults would be required to allow this… …   Wikipedia

  • double-throw — /dʌbəl ˈθroʊ/ (say dubuhl throh) adjective (of a switch) capable of engaging with two alternative sets of fixed contacts …  

  • Railroad switch — For other uses, see Switch (disambiguation). A right hand railroad switch with point indicator pointing to right …   Wikipedia

  • Light switch — A light switch is a switch, most commonly used to operate electric lights, permanently connected equipment, or electrical outlets.In modern homes most lights are operated using switches set in walls, usually 6 10 inches (15 25 cm) away from a… …   Wikipedia

  • Mercury switch — A Single Pole, Single Throw (SPST) mercury switch on millimetre graph paper …   Wikipedia

  • Knife switch — A knife switch is a type of switch used to control the flow of electricity in a circuit. It is comprised of a hinge which allows a metal lever, or knife, to be lifted from or inserted into a slot or jaw. The hinge and jaw are both fixed to an… …   Wikipedia

  • 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

  • iOS version history — Contents 1 Overview 2 Versions 2.1 Unreleased versions …   Wikipedia

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