H12D4850PGH

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Solid State Relays (SSRs) are devices that control electrical systems and equipment by using electronic signals. These devices are also known as contactless relays, and they are commonly used in industrial, automotive, and commercial applications. The H12D4850PGH is a type of SSR that is designed for industrial applications. It is also known as an AC Opto-coupler SSR and has the power rating of 960VAC/100A.

SSRs have a number of advantages over traditional mechanical relays. They are more reliable, as they do not require contact between the relay armature and switch contacts. This reduces contact wear and tear, thus prolonging the lifespan of the device. Furthermore, they are faster and more precise than mechanical relays, as they can be controlled electronically and the switching speed is of the order of microseconds, meaning they can respond to a wide variety of input signals.

The H12D4850PGH SSR is a 3-Phase SSR, meaning it is designed to control the three phases of an AC power circuit. It is a zero-crossing type device, meaning that it will only switch when the power supply voltage across the component is close to zero. This ensures that the switching will be done smoothly and reliably. Furthermore, it has an isolation function to ensure that the control voltage and AC voltage are completely separated. This helps protect the SSR from electrical spikes and helps to reduce electrical interference.

The H12D4850PGH SSR has several safety features that help protect it from overcurrent and overload conditions. It comes with a design protection, which can detect when the voltage or current surpasses the working limits, and will automatically turn off the SSR. It also has a visible indicator light, which can help detect when the device is overloaded or malfunctioning. Finally, it is designed with a high insulation resistance to protect against high voltage spikes.

The H12D4850PGH SSR is widely used in industrial applications, as it can provide reliable and precise control over heavy-duty electrical systems. It can be used to control a variety of machines and systems, such as electric ovens, air conditioners, and large pumps. Moreover, it is suitable for a broad range of temperatures, making it an ideal choice for harsh industrial and outdoor applications.

The working principle of the H12D4850PGH SSR is based on a light-dependent resistor (LDR). The LDR is placed between two terminals, and when a control signal is applied to the LDR, it starts to conduct. This in turn allows current to flow through the SSR, switching on the output circuit. When the control signal is removed, the LDR stops conducting, causing the SSR to switch off the output circuit.

The H12D4850PGH Solid State Relay is a powerful and reliable choice for industrial applications, as it provides accurate control over the output circuit and has numerous safety features. Its zero-crossing type switching and isolation functionality make it an ideal choice for applications that require a reliable and fast response. Furthermore, its wide temperature range and high insulation resistance make it a suitable choice for harsh industrial and outdoor applications.

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