H12WD4875-10

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H12WD4875-10 is a type of solid-state relay (SSR). These relatively simple devices are becoming increasingly commonplace in modern industrial and consumer applications.

SSRs are switching devices that use a small amount of electrical energy to control the electrical current flowing through a circuit. Unlike conventional electromechanical relays, they lack moving parts and instead use a semiconductor, usually a transistor, to switch the current on or off. This provides a number of advantages such as increased reliability, improved performance, and a much longer life cycle.

The H12WD4875-10 is a zero-crossing SSR designed for use in AC load control applications. The zero-crossing feature ensures that the switching occurs at a point of zero current on the AC voltage waveform, thus eliminating large contact arcing that can damage contacts in relays. This feature makes the relay more reliable and increases its life expectancy.

The H12WD4875-10 is rated for up to 10A and can be used to control up to 250V. It has a maximum switching frequency of 4kHz and an insulation resistance of 100MΩ at 500V DC. It is a panel-mountable relay with connection terminals located at the bottom of the unit. The relay is equipped with an LED that indicates when it is in its on or off state.

The working principle behind the H12WD4875-10 is quite simple. When the input voltage applied to the control terminals is greater than the voltage at the load terminals, the relay turns on. This allows the current to flow through the circuit and the load is activated. When the input voltage is lower than the voltage at the load terminals, the relay will turn off and the current stops flowing. This allows for precise control of the load.

The H12WD4875-10 can be used in a variety of applications, ranging from household appliances such as air conditioners and washing machines to industrial machinery such as welding and packaging equipment. It is also commonly used for automated process control, consumer electronics, and medical equipment.

The H12WD4875-10 is a reliable and cost-effective solid-state relay that can be used in a variety of applications. With its zero-crossing feature, long life expectancy, and low operational costs, it is a great choice for anyone looking for a reliable and cost-effective solution for controlling their loads.

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