PS7200K-1A-A

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Solid State Relays (SSRs) are devices which facilitate remote connection and disconnection of power sources. They are typically used in industrial and home automation, and offer many advantages over traditional electro-mechanical relays. The PS7200K-1A-A is a DC powered input/ AC powered output solid state relay which is ideal for controlling and switching medium to high power AC loads with an input voltage of DC 0-15V. In this article, we will look at the application field and working principle of the PS7200K-1A-A.

The PS7200K-1A-A is capable of controlling and protecting a wide range of AC loads, from motors and pumps to lights and other electrical equipment. It is well-suited to control HVAC systems, door openers, contactors and other industrial machines. It has a maximum load current of 7.2A, and can switch up to 10A of AC load with a control voltage of +/-0.4V. It is designed with small size and simple circuit structure, making it ideal for panel or board-level installation. Furthermore, it is equipped with an input-output isolation voltage of 500VDC, ensuring safe and robust operation.

The PS7200K-1A-A features overload and over-temperature protection to prevent damage to the load and relay, respectively. It is designed for maximum reliability and long-term operation. The built-in brake down detection feature ensures protection against sudden current surges that can occur with various AC loads. Furthermore, the typical operating temperature is between -30 and +85°C, enabling it to be used in very harsh environments.

The working principle of the PS7200K-1A-A is relatively simple. When a DC voltage is applied to the control terminals, a switch within the relay is closed, allowing current to flow through the load. The output current will depend on the input voltage applied, and protection circuitry is included which ensures safe operation. Furthermore, the PS7200K-1A-A is equipped with a "zero-voltage-switching" mode which allows for greater efficiency and power savings by eliminating the need to "warm up" the load prior to switching.

In conclusion, the PS7200K-1A-A is an ideal choice for controlling and switching medium to high power AC loads. Its versatile design, reliable operation and overload/over-temperature protection make it suitable for a wide range of applications. It is designed for maximum reliability and long-term operation in harsh environments and its zero-voltage-switching mode offers greater efficiency and power savings.

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