PLA132STR

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Solid State Relays

A solid state relay (SSR) is a semiconductor switching device that, when triggered, allows a controlled amount of electric current to pass through a load. Generally, the SSR is triggered by either mechanical action, temperature, or light. Subsequently, these relays are enclosed in a package that’s impact resistant so that operators can handle the relays with ease. The PLA132STR solid state relay is an example of the most common SSR designs available.

PLA132STR Application Field

The PLA132STR is used in a number of different application fields, mainly for controlling motors, controlling alarm systems, and reducing power consumption. Some examples of the applications that the PLA132STR SSR is ideally suited for include:

• Power Converters
• AC and DC control systems
• Motor control systems
• Heating systems
• Lighting systems

The PLA132STR is also used in automotive, aerospace, home security, and medical sectors.

PLA132STR Working Principle

The PLA132STR works on the principle of controlling the structure of a semiconductor “switch” so that electricity is allowed to flow or not flow. This switch typically contains three separate components, referred to as the input, output, and control. The input line is connected to the main power source, while the output line goes to the load that the power is being controlled by. The control line is connected to a trigger device, such as a temperature sensor, a timer, or a switch. When the triggering device is activated, the control line causes the electrical current to flow from the input to the output, thus triggering the SSR.

The strength of the electrical current sent to the load is determined by the input line; the amount of current passing through the switch is determined by the strength of the triggering device in the control line. The PLA132STR also has the capability of adjusting the intervals of a timer to control the time in which the SSR can trigger. This feature is a unique one as compared to other types of relays, such as electromechanical relays, which are limited to on/off triggering.

The PLA132STR is an integral part of a solid-state relay system, as it allows for greater control over when the electrical current is passed through the load. It is a reliable, efficient, and economically feasible switching device, which make solid state relays a great choice for most applications.

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