HA4850EF

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Solid State Relays provide a reliable, efficient, and durable solution for controlling industrial and commercial power supply. The HA4850EF is one type of solid state relay with a wide range of applications. This Relay consists of control input circuitry, optically isolated Solid State Outputs, and a variety of additional features that make it suitable for various applications.

Application Field of HA4850EF

The HA4850EF has four independent output channels that can be individually actuated and is ideally suited for applications requiring a compact, low-cost, and highly efficient relay. It can be used in most commercial applications, but also features a variety of special applications including industrial motor controls, power supply and energy management systems, industrial automation, household appliance control, and aerospace applications. Additionally, it meets military requirements for operation in hostile environments.

Moreover, the HA4850EF has a variety of special functions such as over-voltage protection and inrush current limiters. The over-voltage protection ensures that the contactor is not damaged by high voltage and, in case of an over-voltage, the contactor automatically turns off. The inrush current limiter ensures that the load is protected from an excessive current flow. This allows the contactor to be used in safe and durable applications, even in harsh environments.

Working Principle of HA4850EF

At the heart of the HA4850EF is an optically isolated solid-state circuit designed to provide reliable performance over a wide temperature range. The optical isolator consists of an LED to illuminate a photo-detector and its associated cascade logic. The relay is triggered when a voltage signal is applied on the control side. This causes the LED to illuminate, which in turn triggers the photo-detector and its associated output logic.

The four outputs of the HA4850EF are protected against a short circuit and saturated voltage. The short circuit protection prevents the output from getting damaged by an excessive current flow while the saturated voltage protection prevents the output from getting damaged by a prolonged voltage exceeding the rated value. The HA4850EF also features thermal protection, which ensures that the relay does not over-heat, even when exposed to high loads.

The HA4850EF is an efficient and reliable solid state relay, making it suitable for a variety of applications. With its wide temperature range, short circuit protection, and high efficiency, it is an ideal choice for applications requiring a reliable and efficient solution for controlling power supply.

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