- normally closed switch
- переключатель с нормально замкнутыми [с размыкающими] контактами
Большой англо-русский и русско-английский словарь. 2001.
normally closed switch
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Normally closed — In electronics, a normally closed (abbreviated NC) switch is one that normally allows current to flow and which prevents current flow when it is perturbed. A switch that is closed conducts electricity. Normally closed switches are often spring… … Wikipedia
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
Normally open — In electronics, a normally open switch is one that normally prevents current flow and which allows current to flow when it is perturbed. Such a switch requires a constant intervention in order to keep it closed.ee also*Normally closed *Relay … Wikipedia
Reed switch — Reed relay and reed switches Showing the contacts clearly The … Wikipedia
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Changeover switch — A changeover switch, more commonly called an SPDT switch, is a type of switch that can be positioned in two closed states. The switch has three pins: the common (C) pin, the normally closed (NC) pin, which is connected to the common pin when the… … Wikipedia
Stepping switch — In electrical controls, a stepping switch is an electromechanical device which allows an input connection to be connected to one of a number of possible output connections, under the control of a series of electrical pulses. They could step on… … Wikipedia
Bypass switch — A Bypass Switch is a hardware device that provides a fail safe access port for an in line monitoring appliance such as an intrusion prevention system (IPS), firewall, WAN optimization device or unified threat management system. In line monitoring … Wikipedia
Inertial switch — An inertial switch is a switch, firmly mounted upon a vehicle or other mobile device, that senses shock or vibration. It is a part of electrical circuits that may either enable or disable some function.DisconnectThe switch shown to the right is… … Wikipedia
1ESS switch — The Number One Electronic Switching System, the first large scale Stored Program Control (SPC) telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New Jersey, in May 1965[1]. The switching fabric… … Wikipedia
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