…A switch, relay, circuit breaker, contactor, or other device that opens and closes an electric circuit is a component that directly switches the current on and off, with some exceptions. The most commonly used types of switching contacts vary greatly in size, shape, material, contact force, and opening speed depending on the target current, voltage, and number of switches, and are divided into those for communication and those for power. Switching contacts have a very simple structure in which two metal pieces are mechanically attached and separated, but a variety of phenomena occur at them. … *Some of the terminology that refers to "making and breaking contacts" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…スイッチ,リレー,遮断器,接触器など,電気回路を開閉する装置の中で直接開閉の役目をする部品で,例外を除いて接点で電流を切ったり入れたりする。もっとも多く使われる形式の開閉接点は,対象とする電流,電圧,開閉回数によって大きさ,形,材料,接触力,開離速度などが大きく異なり,通信用と電力用とに分かれる。開閉接点は二つの金属片を機械的につけたり離したりするきわめて単純な構成のものであるが,そこで生ずる現象はさまざまである。… ※「開閉接点」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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