HFW4A1201K00 Relays

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Power relays are highly configurable components, used to control an electrical circuit or signal. The HFW4A1201K00 is a power relay, mainly used for inrush current protection, designed to limit the starting current of motors and other inductive loads. This type of power relay is suited for applications where the current values that need to be switched exceed 2 Amps.

The design of the HFW4A1201K00 is based on a bimetal mechanism and consists of two parts; the stationary thermal part and the moving actuating part. An electric current is passed through the thermal element, which heats and causes the thermal part to expand. This results in the actuating part moving, and thus the switching contacts are opened or closed. The HFW4A1201K00 relay is a single-phase over current release device, which is a contact-welding device to prevent fuse. The current setting range is 3~12A.

The HFW4A1201K00 power relay provides many applications which include improved safety in refrigeration systems, motor control circuits, compressor motor starting protection, closed-loop control systems, automated feeder controls, and continuous pump operation. Typical applications of the HFW4A1201K00 power relay are motor controls, compressor motor starting protection, electronics cooling systems, intelligent lighting, and modern industrial control systems.

When in use, the HFW4A1201K00 is designed to open a normally closed contact when an over current occurs. This is done in order to disconnect the load connected to the relay, preventing it from being damaged due to an overload. When the current level drops below the normal operating range, the contact opens, shutting off the current flow and allowing the system to reset.

The HFW4A1201K00 power relay can also be used to protect domestic and light commercial heating and cooling systems, as well as any other type of electrical or electronic circuits involving large currents. The main advantage of using this power relay is the reduced size in comparison with other relays, which offers more convenience and installation flexibility. It can also be used in circuits with a wide range of voltages and currents, which makes it suitable for a variety of applications.

The HFW4A1201K00 is a simple and effective power relay, designed in order to allow high current components to be switched safely and quickly. The device is compact and robust, making it suitable for use in a variety of industrial or domestic applications. Its ability to handle a wide range of voltages and currents makes it ideal for controlling large and complex circuits, while its bimetal structure ensures reliable performance and durability, all while confined to a small size.

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