Switches are designed to withstand a maximum current, which is measured in amperes. They are also designed to withstand a certain maximum voltage "Voltage (electricity)"), which is measured in volts.

The appropriate switch must be selected for each use. If not, its useful life is being shortened or, in extreme cases, there is a risk of destroying it.

Switches for domestic installations must comply with the IEC/EN 60669 standard").[4]​.

To control the bulb with more switches, we must add more DPDT (4-way) switches between the SPDT (3-way) switches at the ends.

Contenido

La parte móvil que aplica la fuerza operativa a los contactos se llama actuador, y puede ser una palanca, un pulsador o cualquier tipo de enlace mecánico (véase la foto)..

Polarized Switches

A switch normally maintains its set position once it is operated. A polarized switch contains a mechanism that pushes it to another position when released by an operator. Momentary push button switch is a type of polarized switch. The most common type is a "push to activate" (or normally open or NO) switch, which makes contact when the button is pressed and breaks when the button is released. Each key on a computer keyboard, for example, is a normally open "push to activate" switch. A "push to off" (or normally closed or NC) switch, on the other hand, breaks contact when the button is pressed and makes contact when it is released. An example of a push-to-disable switch is a button used to open a door that is held closed by an electromagnet. The interior light of a home refrigerator is controlled by a switch that remains open when the door is closed.

rotary switch

A rotary switch operates by a rotary movement of the operating handle with at least two positions. One or more switch positions may be momentary (spring deflected), requiring the operator to hold the switch in the position. Other positions may have a detent to hold the position when released. A rotary switch can have multiple levels or "covers" to allow it to control multiple circuits.

One form of rotary switch consists of a spindle or "rotor" that has a contact arm or "spoke" protruding from its surface like a cam. It has a series of terminals, arranged in a circle around the rotor, each of which serves as a contact for the "radio" through which any of several different electrical circuits can be connected to the rotor. The switch is layered to allow the use of multiple poles, each layer is equivalent to one pole. Typically, such a switch has a detent mechanism, so it "clicks" from one active position to another rather than stopping in an intermediate position. Therefore, a rotary switch provides greater pole and throw ratings than simpler switches.

Other types use a cam mechanism to operate several sets of independent contacts.

Rotary switches were used as channel selectors in television receivers until the early 1970s, as range selectors in electrical measurement equipment, as band selectors in multiband radios, and other similar purposes. In industry, rotary switches are used for control of measuring instruments, switching devices") or in control circuits. For example, a radio-controlled overhead crane" may have a large multi-circuit rotary switch to transfer hardwired control signals from local hand controls in the cabin to the outputs of the remote control receiver. In some radio or television receivers, this switch was also used as a potentiometer to control the audio volume.

For their part, cars have a rotary switch to activate the ignition and start the engine. It is activated by means of a key that is inserted into it. It can be located on the steering wheel stem or on the instrument panel.

toggle switch

A toggle switch or socket switch is a class of electrical switches that are manually activated using a mechanical lever, handle, or rocker mechanism.

Toggle switches are available in many different styles and sizes, and are used in numerous applications. Many are designed to provide simultaneous activation of multiple sets of electrical contact, or control of large amounts of current or mains power.

The device refers to a type of mechanism or joint that consists of two arms, which are almost aligned with each other, connected with an elbow-shaped pivot. However, the phrase "toggle switch" applies to a switch with a short handle and a positive instantaneous action, whether it actually contains a toggle mechanism or not. Similarly, a switch on which a definite click is heard is called a "positive on-off switch".[5]​ A very common use for this type of switch is to turn lights or other electrical equipment on or off. Multiple toggle switches can be mechanically interlocked to prevent prohibited combinations.

In some contexts, particularly computing, a toggle switch, or toggle action, is understood in the different sense from a mechanical or software switch that toggles between two states each time it is activated, regardless of mechanical construction. For example, the Caps Lock key on a computer causes all letters to be generated in uppercase after pressing it once; pressing it again returns to lowercase letters.

In building wiring, light switches are installed in convenient locations to control lighting and occasionally other circuits. By using multi-pole switches, multi-directional switching control of a lamp can be obtained from two or more locations, such as the ends of a hallway or staircase. A wireless light switch allows remote control of lamps for added convenience; Some lamps include a "touch switch" that electronically controls the lamp if it is touched anywhere. Various types of vandal-resistant switches are used in public buildings to prevent unauthorized use.

Slide switches are mechanical switches that use a slider that moves (slides) from the open (off) position to the closed (on) position.

A relay is an electrically operated switch. Many relays use an electromagnet to mechanically operate a switching mechanism, but other operating principles are also used. Solid-state relays control power circuits without moving parts, but instead use a semiconductor device to perform the switching, often a silicon-controlled rectifier or triac.

The analog switch uses two MOSFET transistors in a transmission gate arrangement as a switch that operates much like a relay, with some advantages and several limitations compared to an electromechanical relay.

The power transistor(s) "in a switching voltage regulator", such as a power supply unit&action=edit&redlink=1 "Power supply unit (computer) (not yet drafted)"), is used as a switch to allow power to flow and block the flow of power.

Many people use metonymy to call a variety of devices "switches" that conceptually connect or disconnect signals and communication paths between electrical devices, analogous to the way mechanical switches connect and disconnect paths for electrons to flow between two conductors. Early telephone systems used an automatically operated Strowger switch to connect telephone callers; telephone exchanges contain one or more crossbar switches today.

Since the advent of digital logic in the 1950s, the term "switch" has been extended to a variety of active digital devices such as transistors and logic gates whose function is to change their output state between two logic levels or connecting different signal lines&action=edit&redlink=1 "Digital signal (electronics) (not yet drafted), and even computers, network switches"), whose function is to provide connections between different ports&action=edit&redlink=1 "Computer (hardware) port (not yet written)") in a computer network. The most commonly used electronic switch in digital circuits") is the metal oxide semiconductor field effect transistor ("MOSFET").[6]​.

The term 'switched' also applies to telecommunications networks"), and means a network that is circuit switched"), which provides dedicated circuits for communication between end nodes, such as the public switched telephone network. The common characteristic of all these uses is that they refer to devices that control a binary state: they are "on" or "off", closed or open, connected or not connected.

Switches are designed to withstand a maximum current, which is measured in amperes. They are also designed to withstand a certain maximum voltage "Voltage (electricity)"), which is measured in volts.

The appropriate switch must be selected for each use. If not, its useful life is being shortened or, in extreme cases, there is a risk of destroying it.

Switches for domestic installations must comply with the IEC/EN 60669 standard").[4]​.

To control the bulb with more switches, we must add more DPDT (4-way) switches between the SPDT (3-way) switches at the ends.

Contenido

La parte móvil que aplica la fuerza operativa a los contactos se llama actuador, y puede ser una palanca, un pulsador o cualquier tipo de enlace mecánico (véase la foto)..

Polarized Switches

A switch normally maintains its set position once it is operated. A polarized switch contains a mechanism that pushes it to another position when released by an operator. Momentary push button switch is a type of polarized switch. The most common type is a "push to activate" (or normally open or NO) switch, which makes contact when the button is pressed and breaks when the button is released. Each key on a computer keyboard, for example, is a normally open "push to activate" switch. A "push to off" (or normally closed or NC) switch, on the other hand, breaks contact when the button is pressed and makes contact when it is released. An example of a push-to-disable switch is a button used to open a door that is held closed by an electromagnet. The interior light of a home refrigerator is controlled by a switch that remains open when the door is closed.

rotary switch

A rotary switch operates by a rotary movement of the operating handle with at least two positions. One or more switch positions may be momentary (spring deflected), requiring the operator to hold the switch in the position. Other positions may have a detent to hold the position when released. A rotary switch can have multiple levels or "covers" to allow it to control multiple circuits.

One form of rotary switch consists of a spindle or "rotor" that has a contact arm or "spoke" protruding from its surface like a cam. It has a series of terminals, arranged in a circle around the rotor, each of which serves as a contact for the "radio" through which any of several different electrical circuits can be connected to the rotor. The switch is layered to allow the use of multiple poles, each layer is equivalent to one pole. Typically, such a switch has a detent mechanism, so it "clicks" from one active position to another rather than stopping in an intermediate position. Therefore, a rotary switch provides greater pole and throw ratings than simpler switches.

Other types use a cam mechanism to operate several sets of independent contacts.

Rotary switches were used as channel selectors in television receivers until the early 1970s, as range selectors in electrical measurement equipment, as band selectors in multiband radios, and other similar purposes. In industry, rotary switches are used for control of measuring instruments, switching devices") or in control circuits. For example, a radio-controlled overhead crane" may have a large multi-circuit rotary switch to transfer hardwired control signals from local hand controls in the cabin to the outputs of the remote control receiver. In some radio or television receivers, this switch was also used as a potentiometer to control the audio volume.

For their part, cars have a rotary switch to activate the ignition and start the engine. It is activated by means of a key that is inserted into it. It can be located on the steering wheel stem or on the instrument panel.

toggle switch

A toggle switch or socket switch is a class of electrical switches that are manually activated using a mechanical lever, handle, or rocker mechanism.

Toggle switches are available in many different styles and sizes, and are used in numerous applications. Many are designed to provide simultaneous activation of multiple sets of electrical contact, or control of large amounts of current or mains power.

The device refers to a type of mechanism or joint that consists of two arms, which are almost aligned with each other, connected with an elbow-shaped pivot. However, the phrase "toggle switch" applies to a switch with a short handle and a positive instantaneous action, whether it actually contains a toggle mechanism or not. Similarly, a switch on which a definite click is heard is called a "positive on-off switch".[5]​ A very common use for this type of switch is to turn lights or other electrical equipment on or off. Multiple toggle switches can be mechanically interlocked to prevent prohibited combinations.

In some contexts, particularly computing, a toggle switch, or toggle action, is understood in the different sense from a mechanical or software switch that toggles between two states each time it is activated, regardless of mechanical construction. For example, the Caps Lock key on a computer causes all letters to be generated in uppercase after pressing it once; pressing it again returns to lowercase letters.

In building wiring, light switches are installed in convenient locations to control lighting and occasionally other circuits. By using multi-pole switches, multi-directional switching control of a lamp can be obtained from two or more locations, such as the ends of a hallway or staircase. A wireless light switch allows remote control of lamps for added convenience; Some lamps include a "touch switch" that electronically controls the lamp if it is touched anywhere. Various types of vandal-resistant switches are used in public buildings to prevent unauthorized use.

Slide switches are mechanical switches that use a slider that moves (slides) from the open (off) position to the closed (on) position.

A relay is an electrically operated switch. Many relays use an electromagnet to mechanically operate a switching mechanism, but other operating principles are also used. Solid-state relays control power circuits without moving parts, but instead use a semiconductor device to perform the switching, often a silicon-controlled rectifier or triac.

The analog switch uses two MOSFET transistors in a transmission gate arrangement as a switch that operates much like a relay, with some advantages and several limitations compared to an electromechanical relay.

The power transistor(s) "in a switching voltage regulator", such as a power supply unit&action=edit&redlink=1 "Power supply unit (computer) (not yet drafted)"), is used as a switch to allow power to flow and block the flow of power.

Many people use metonymy to call a variety of devices "switches" that conceptually connect or disconnect signals and communication paths between electrical devices, analogous to the way mechanical switches connect and disconnect paths for electrons to flow between two conductors. Early telephone systems used an automatically operated Strowger switch to connect telephone callers; telephone exchanges contain one or more crossbar switches today.

Since the advent of digital logic in the 1950s, the term "switch" has been extended to a variety of active digital devices such as transistors and logic gates whose function is to change their output state between two logic levels or connecting different signal lines&action=edit&redlink=1 "Digital signal (electronics) (not yet drafted), and even computers, network switches"), whose function is to provide connections between different ports&action=edit&redlink=1 "Computer (hardware) port (not yet written)") in a computer network. The most commonly used electronic switch in digital circuits") is the metal oxide semiconductor field effect transistor ("MOSFET").[6]​.

The term 'switched' also applies to telecommunications networks"), and means a network that is circuit switched"), which provides dedicated circuits for communication between end nodes, such as the public switched telephone network. The common characteristic of all these uses is that they refer to devices that control a binary state: they are "on" or "off", closed or open, connected or not connected.