
Allicdata Part #: | 2966993-ND |
Manufacturer Part#: |
2966993 |
Price: | $ 24.61 |
Product Category: | Relays |
Manufacturer: | Phoenix Contact |
Short Description: | DIN RAIL TERM BLOCK W/OPTOCOUPLE |
More Detail: | Solid State |
DataSheet: | ![]() |
Quantity: | 1000 |
10 +: | $ 22.36500 |
Specifications
Series: | * |
Part Status: | Active |
Description
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Solid State Relays, often known as SSR, are devices used to switch electrical circuits by controlling the flow of current and voltage using solid-state components. They are considered a very reliable and robust solution for switching applications in electronics, communications and industrial automation. The SSRs are also popular for their low cost and low maintenance requirements. The primary function of SSRs is to convert an electric current from one level to another—often referred to as “switching”—which is done without mechanical parts.The most common type of SSR is the two-terminal relay, which has two inputs, one output, and a control circuit. The two inputs are connected to the control circuit, and the output is connected to the controlled circuit. When a voltage is applied to the inputs, the control circuit will activate and close the contact between the two inputs, allowing the current to flow through the output.The 2966993 application field and working principle of SSRs are quite diverse. They can be used to control high power devices, such as motors and high voltage electric circuits, as well as low power devices, such as lighting. SSRs are also used to provide automatic control of complex systems, such as automation control systems.The working principles of SSRs are based on the principles of semiconductor electronics. A semiconductor is any substance that does not conduct electricity unless exposed to an electric field. The most common type of semiconductor material used in SSRs is silicon. When an electric field is applied to a semiconductor, it will change its conductivity and allow the current to flow through it.To activate the relay, a voltage must be applied to the control circuit. This voltage must be greater than the relay\'s breakdown voltage, which is a threshold voltage that must be exceeded to activate the relay. This voltage is usually supplied by a DC source, such as a battery or power supply. Once the voltage has exceeded the threshold, the relay will be activated and will begin to switch the current in the control and controlled circuits.The switching characteristics of an SSR can vary depending on the type of SSR. For example, some SSRs have a slow response time, while others are much faster. In addition, SSRs can also be designed to activate or deactivate multiple times during a single operation, such as for controlling a motor.Overall, SSRs are an important part of modern electronics and automation. They offer a reliable, robust, and cost-effective solution for controlling a variety of applications. As their applications expand and their technology improves, SSRs will continue to be a key component in the development of the electronics and automation industries.
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