G3NA-225B-UTU AC100-120

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Solid State Relays (SSRs) are devices that transform input signals to output signals by making use of semiconductor switching elements, as opposed to electromagnetic relays. The general models are AC-input type and DC type. Higher performance types include the Utilization Category (UC) models. Utilization Category (UC) models are relays that can be used in a variety of applications, as they are able to withstand higher load currents and higher voltages than general models. The G3NA-225B-Utu AC100-120 is a high performance UC model which is able to handle the high loading capacity of high voltage applications.

The G3NA-225B-UTU AC100-120 is a DC input type solid state relay with a four-way DC power input. It is capable of handling up to 5A loads with a range from -30VDC to -40VDC. It has a built-in Zero Cross FET function designed for AC switching, which is a type of SCR diode (Silicon Controlled Rectifier). The Zero Cross FET function helps reduce surge current when an input signal changes from high to low or from low to high, and also prevents the SSR from burning out due to overcurrent. A zero-cross detection circuit is integrated into the modules package for monitoring the power input. The zero-cross detection circuit is designed to switch only when the power input voltage has reached its peak point (the zero-cross). The relay allows for programming of a time delay from 0.5s to 9s to help prevent switching failure.

The G3NA-225B-UTU AC100-120 is ideal for applications such as lighting, heating, welding, motion control, and small-scale automation as it features a small package size and a high isolation capacitance. It is also suitable for use in more complex systems, due to its sophisticated control circuit and the ability to operate on low energy and low voltage. It can be used in various types of circuits where high switching speed and low power consumption are required.

Generally, the G3NA-225B-UTU AC100-120 is used for alternating current (AC) line control. AC line control is a method of controlling electrical appliances with an AC signal. The relay takes an input signal from the AC line it is connected to, and switches electrical appliances aslong as the AC input\'s level is greater than its threshold level. This relay provides a solution to voltage fluctuation, load variation, and surge protection. Furthermore, it can be used as an isolation switch for protecting the circuit from a sudden power cut. It has two input terminals for connecting the control input from the AC line, and two output terminals for connecting the electrical appliance.

The working principle of the G3NA-225B-UTU AC100-120 is quite simple. When an AC signal is applied to it, it produces an output signal that is the same as the one that is applied. This particular relay uses a zero-cross detection circuit to reduce the influence of the AC line voltage and prevent overloading. The range of the zero-cross detection circuit is adjustable via the integrated programming capacitor. When the AC line voltage is applied to the relay, it is compared to the level set by the programming capacitor. If the AC input voltage is greater than the programming level, the relay will switch on. If it is less than the set level, the relay will remain in its off state.

The G3NA-225B-UTU AC100-120 is a highly efficient and reliable relay and is an ideal choice for applications where high performance, high switching speed, and low power consumption are needed. With its simple design and sophisticated control circuit, this relay offers many advantages over traditional electromagnetic relays. It is a suitable solution for many AC line control applications, such as lighting, heating, welding, and other industrial applications.

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