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Main types of Fende relay

文章出处:芬德电子科技 / 作者:芬德电子科技 / 发表时间:2023-04-27

Fende relay。 The electrical control element is an electrical device that causes the predetermined step change of the controlled quantity in the electrical output circuit when the change of the input quantity (excitation quantity) meets the specific requirements. It has an interactive relationship between the control system (also known as input loop) and the controlled system (also known as output loop). Usually used in automatic control circuits, it is actually an automatic switch that uses small current to control high current operation. Therefore, it plays the role of automatic regulation, safety protection and circuit switching in the circuit. What are the main types of Fende relays? Main categories: according to the working principle or structural characteristics of finder Fende relay, it can be divided into:

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① Fende electromagnetic relay: when Fende relay works by using the suction generated by the circuit in the input circuit between the electromagnet core relay and the armature.


② Fende solid state relay: refers to the relay with input and output isolation when electronic components perform functions without mechanical moving components.


③ Fende temperature relay: it operates when the external temperature reaches the given value.


④ Fende reed relay: a relay that opens, closes, or switches lines through the action of the reed sealed in the tube. It has the dual functions of electric shock reed and armature magnetic circuit.


⑤ Fende time relay: when the input signal is added or removed, the output part needs to delay or limit to the specified time to close or open the line relay controlled by it.


⑥ Fende high frequency relay: Fende relay has small loss and is used to switch high frequency and RF lines.


⑦ Fende polarization relay: the Fende relay with polarization magnetic field and control current works through the combination of magnetic field generated by the control coil. The action direction of the relay depends on the direction of the current flowing through the control coil.


⑧ Other types of Fende relays, such as Fende optical relay, Fende acoustic relay, Fende thermal relay, Fende instrument relay, Fende Hall effect relay, Fende differential relay, etc.