LR1200480D40

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Solid State Relays (SSRs) are electronic devices used to initiate and control gate switching, turning Electrical Output Off and On with the help of an Electronic Signal. Its applications span across the industrial, medical, automotive and consumer products markets. The LR1200480D40 is one such Solid State Relay; it is stable, reliable and cost-effective. This document provides an overview of the applications and working principles of the LR1200480D40 Solid State Relay.

Application Field

The LR1200480D40 is a normally open single pole, double throw (SPDT) solid state relay. It uses an input voltage of 4V-48V DC to control AC and DC loads of up to 40A, 1200V AC. It has a switching current capability of 2A-40A. The LR1200480D40 is also temperature stable and has low input and output noise levels.

This device can be used in a wide variety of applications, including industrial automation, energy management, multimedia systems, robotic systems, home theater systems, electric vehicle charging stations, and many more. The LR1200480D40 is a perfect choice for replacing mechanical relays due to its high reliability, cost-effectiveness and long lifespan.

Working Principle

The LR1200480D40 is a self-locking type of solid state relay featuring THT (Through Hole Technology) construction. This allows for a larger contact gap and stability, thus providing faster switching times. The power switching part of the relay is made up of a thyristor; when the relay is activated, electrons are freed and flow through the thyristor. This current then triggers the triac device inside the relay, which switches the output on or off depending on the input signal.

The relay further features quick response time, low power consumption and an auto-open function. The auto-open function prevents the relay from staying in an \'ON\' state in case the input voltage drops or fails. In addition, the contact gap of the relay reduces arcing time in high-power applications, thus improving its overall efficiency and lifetime.

The LR1200480D40 Solid State Relay is an ideal choice for applications that require a reliable, cost-effective and efficient switching mechanism. Its wide voltage input range also makes it a flexible choice for various applications.

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