LR1200480D25R

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Solid state relays (SSR) are switching devices that utilize an electronically-controlled semiconductor switch to control an electrical load. The LR1200480D25R is one such device – a zero-crossing SSR designed for switching of resistive, capacitive, and inductive loads. It consists of an optically-isolated triac and a MOSFET-switching device, connected in series. The primary switch is controlled by an opto-isolator, which uses a light-emitting diode (LED) and a photo-detector to control the switching element. This optical isolation enables the SSR to withstand high voltages, and the switching element allows for extremely fast switching times, up to 10 times faster than mechanical relays.

The LR1200480D25R is a zero-crossing SSR, meaning that it switches when the current crossing zero – this eliminates on-state losses and allows for more accurate control of the load. It operates from an AC input voltage of 12-48V, and is capable of switching up to 480V AC loads. The SSR can handle up to 25A of load current, which makes it ideal for controlling motors, solenoids, and other high-current loads. Additionally, the LR1200480D25R contains over-voltage and over-current protection features to ensure the safety of connected devices.

The LR1200480D25R’s applications include HVAC systems, power supplies, factory automation, and motor control. It can be used to control various types of loads, including pumps, valves, lights, conveyors, and fans. The LR1200480D25R is suitable for switching of both resistive and inductive loads, as well as controlling AC motors. The fast switching times also makes it ideal for applications that require precise control of the load, such as stepper motors or servo drives.

In conclusion, the LR1200480D25R is a versatile and reliable solid state relay that is capable of controlling a wide variety of loads. It combines fast switching times with optically-isolated triac and MOSFET-switching element for precise control over the load. With over-voltage and over-current protection features, it is suitable for various HVAC and industrial applications. The LR1200480D25R is a reliable and cost-effective solution for controlling motors, pumps, valves, and other AC loads.

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