DRC3R48E400

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Solid State Relays offer unmatched advantages compared to conventional electromechanical relays or contactors. DRC3R48E400 is a perfect example, which is suitable for a wide range of applications due to its high-speed switching, high power output, and excellent heat dissipation capability. Below, we will explain more about the applications and working principle of this Solid State Relay.

Application Field

DRC3R48E400 is an ideal choice for high-speed switching needs, thanks to a maximum turn-on time of 30 ms, max turn-off time of 6.5 ms, and typical contact resistance of 0.1Ω. A key component of industrial automation systems, this type of Solid State Relay is widely used in machinery, motor control, robotics, lighting, A/C unit control, and many other systems that require precise on/off control. Moreover, it supports high power output of up to 48 A and voltage control of up to 400 V.

Working Principle

DRC3R48E400 Solid State Relay works based on the conduction of current by controlling power. It has an “input” side and an “output” side, which are separated by an optically isolated MOSFET (Metal Oxide Semiconductor Field Effect Transistor). On the input side, there is a driving voltage that allows the MOSFET to turn on or off, which is controlled by a low-voltage signal and small current. When the low-voltage signal input is higher than a certain threshold voltage, the MOSFET is turned on and the output voltage of the Solid State Relay is directly connected to the load. Conversely, when the input signal is lower than the threshold voltage, the MOSFET is turned off, which disconnects the output voltage from the load.

Comparison with Traditional Relay

Compared to traditional electromechanical relays or contactors, DRC3R48E400 Solid State Relay offers a lot of advantages, including faster switching speed, superior heat dissipation capability, higher power output, better accuracy, and long-term reliability. Plus, it consumes less electricity and eliminates the need for any mechanical components; therefore, it is more reliable and has a longer lifespan.

Conclusion

The DRC3R48E400 Solid State Relay is ideal for many large scale applications due to its high power output, speed and precision. Besides, it is extremely reliable and requires minimal maintenance. It can be used to replace or upgrade traditional electromechanical relays for more consistent performance.

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