AQ2A2-C2-ZT24VDC

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AQ2A2-C2-ZT24VDC, or 24-volt AC solid state relay (SSR), has a variety of applications due to its versatile design and construction. It can be found in commercial and industrial applications, including automotive, heating and cooling, lighting, and automatic control systems. The series comprises a 3-amp single-phase SSR (24 volts) with zero-crossing circuitry. It is designed for high accuracy, superior life, high reliability, and minimal maintenance, abrasion, and corrosion.

This type of solid state relay utilizes switching semiconductors and a phase control stage to obtain a connection signal. Once the switching semiconductors receive the connection signal, they operate at the power frequency to turn the power off, and then back on in a short time. This results in an alternating current (AC) output that provides extremely accurate power control. The phase control stage acts like an inverse parallel transistor, and it is used to control the zero-crossing point. By controlling the zero crossing, the SSR operates at a voltage that falls within the optimal range for optimal operation.

Overall, AQ2A2-C2-ZT24VDC is an excellent choice for applications requiring precise power switching and control. It is reliable and capable of performing extremely accurately in a variety of conditions. Additionally, it has temperature protection without require extra components. This SSR’s design helps to minimize temperature rises under load and decrease power consumption, extending its service life and lowering its cost of ownership.

AQ2A2-C2-ZT24VDC’s working principle is essentially centered around the zero crossing. The solid state relay contains two distinct switching semiconductors (Figure 1). The first semiconductor is the switching transistor, and it is the transistor that turns the power on and off. The second switching transistor is the phase control transistor, and it controls the zero-crossing point. When the power is turned on, the switching transistor supplies the coil with voltage. When the switching transistor is off, the voltage supplied to the coil is provided by the phase control transistor.

When the switching transistor is off, the phase control transistor continues to monitor the voltage at the power source. When the voltage level at the power source reaches zero, the phase control transistor turns on and supplies voltage to the coil. This process causes the coil to rapidly change its voltage polarity and energize the load. Once the voltage at the power supply rises from zero, the coil is de-energized and the switching transistor is closed, turning the power off.

The AQ2A2-C2-ZT24VDC SSR also offers overload protection. This is essential in commercial and industrial applications, where loads are frequently switched or adjusted. If the load exceeds the rated capacity of the SSR, the overload protection feature immediately disconnects the load from the supply. This allows the SSR to continue functioning during overload and prevent serious damage to the equipment.

AQ2A2-C2-ZT24VDC is a reliable, accurate, and cost-effective choice for applications requiring advanced switching and control. It is capable of withstanding extended power outages and providing reliable energy switching. Additionally, its design reduces temperature increases and power consumption, resulting in a longer service life.

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