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  • 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...

  • Why install a trip and lockout relay?

    Why install a trip and lockout relay? To prevent the enlargement of the accident caused by re-closing after a short-circuit trip, the tripping and blocking relay will act after a certain fault or short-circuit, keep it inside and send out a signal. I...

  • What are the basic structure and main functions of the relay

    In the automotive electronic control circuit, the relay (Relay) is an indispensable device. When designing automotive electronic control circuits, the relay is calculated by the method of logic algebra, because the relay only works in two states: ope...

  • What counts as a qualified and excellent electromagnetic relay factory?

    What counts as a qualified and excellent electromagnetic relay factory? Many savvy acquirers will shop around, but they will not choose very low-priced electromagnetic relay products because they are greedy for any small bargains. electromagnetic rel...

  • Introduction to relays.

    Thus far we have seen a selection of Input devices that can be used to detect or “sense” a variety of physical variables and signals and are therefore called Sensors. But there are also a variety of electrical and electronic devices which are classed...