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  • How to realize interlock between two intermediate relays

    Self-locking: the normally open electric shock of the relay itself is connected in parallel with the switch that controls the relay coil; interlocking: the respective normally closed contacts of the two relays are connected in series with the coil ...

  • How to improve the reliability of relay operation?

    The reliability of operation is one of the important parameters in the relay. The relay is a component with control function and relay protection. So how should the operating performance of this component be improved? First: When the protection set...

  • What is a magnetic latching relay

    Like other electromagnetic relays, the magnetic latching relay is also an automatic switch, which automatically turns on and off the circuit. It is a bistable relay that relies on its own permanent magnet to keep the contacts open or closed. A magn...

  • How much do you know about current relays?

    The current relay is a relay that reflects the input quantity as current. When in use, the coil of the current relay is connected in series in the circuit to be tested. When the current through the coil reaches the expected value, its electromagneti...

  • Why is the relay called "automatic switch" with small control and big control

    Why is the relay called "automatic switch" with small control and big control The relay is an electrical control device, made based on the principle of electromagnetic induction, and is an "automatic switch" that uses a small current to control a lar...

  • What are the general classification of automotive relays

    What are the general classification of automotive relays Large open type relay Its size is 35.5*25.5*21, and the sealed type is open, so it is called a large-size open relay. This kind of relay has strong reliability, adapts to high and low temperatu...

  • What are the contact forms of the relay?

    What are the contact forms of the relay? A relay is an electrical control device. It is an electrical appliance that causes the controlled quantity to undergo a predetermined step change in the electrical output circuit when the input quantity (excit...

  • What is the role of automotive air conditioning relays

      The function of the relay is to control the start and stop of the air conditioner. When the temperature in the car reaches the target temperature, the sensor will let the relay stop the cooling action of the air conditioner. When the temperature in...