DAR71210FU

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Reed relays are a type of electrical relay that use one or more reeds (thin metal strips) as closing contacts. In a typical reed relay, an electromagnet is energized when the voltage is applied to the reed relay, and this magnet causes the reeds to close the contact. These reeds can be designed to stay closed for up to several milliseconds. They are also designed so that, in the event of an interruption in the power supply, the reeds will remain closed, allowing the user to keep communicating, even when the power is off.

The DAR71210FU is a miniature reed relay in the form of a hermetically sealed, epoxy-encapsulated package with a single thermocouple element. It has a useful operating temperature range up to 300°C and can be used in industrial temperature control applications such as heating, cooling, or moving processes.

The DAR71210FU operates with a low voltage power supply of 12 VDC and can be used in multiple configurations including switching temperatures, or switching power levels. The reed relay is made up of two reeds, one is used to control the electrical current and the other is used to control the temperature. The vacuum tube of the relay is filled with a gas and is hermetically sealed with an epoxy coating for protection.

The working principle of the DAR71210FU is simple. When electricity is applied to the terminals of the reed relay, current is generated, which magnetizes the two reeds inside the relay and causes them to close the contact. This closure creates an electrical current in the reed relay, which in turn produces a temperature-dependent torque on the reed relay. This torque acts against the force of the spring, increasing the resistance of the reed relay. When the temperature inside the relay reaches a predetermined level, the torque of the reeds will exceed the force of the spring, and the reed will open its contact. The current will then be cut and the temperature of the process will be regulated.

The DAR71210FU reed relay has many advantages over traditional relays. It is most suitable for applications requiring high reliability and flexibility. Additionally, it is dust-tight and can be used in high temperature applications, up to 300°C, with no risk of damages. Additionally, the reed relay has a low operating voltage and can be used with low current. It is also fast to actuate and has a high cycle life.

The DAR71210FU is a reliable and flexible reed relay solution, capable of providing robust temperature control in high-temperature applications. It is an ideal solution for industrial applications requiring reliable and accurate temperature control, such as heating, cooling, and moving processes, as well as other temperature-related tasks. Additionally, its low operating voltage and fast actuation time make it the perfect choice for applications demanding high precision and quick response.

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