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  • Four functions of electromagnetic relay module

    Electromagnetic relays are generally composed of iron cores, coils, armatures, contact reeds, etc. As long as a certain voltage is applied to both ends of the coil of the relay module, a certain current will flow through the coil, which will produce ...

  • What is an intermediate relay

    Intermediate relays are used in relay protection and automatic control systems to increase the number and capacity of contacts. They are also used to transmit intermediate signals in control circuits. The structure and principle of the intermediate r...

  • What is the structure of automotive relays

    Automotive relays are widely used to control car startup, preheating, air conditioning, lights, wipers, EFI, fuel pumps, anti-theft, audio, navigation, electric fans, cooling fans, electric doors and windows, airbags, anti-lock brakes, suspensions In...

  • What are the principle characteristics of electromagnetic relays

    Electromagnetic relay is an electronic control device. It has a control system (also called an input loop) and a controlled system (also called an output loop). It is usually used in automatic control circuits. It actually uses a smaller current and ...

  • What is the difference between time relay and speed relay

    The time relay is a kind of delay control relay. It does not make the contacts act immediately after receiving the action signal, but delays for a period of time to make the contacts act. Time relays are mainly used in various automatic control syste...

  • Where is solid state relay better than electromagnetic relay

    1. Longevity and high stabilityIn fact, the life of mechanical contacts determines the life of mechanical relays. Since there are no mechanical contacts inside the solid-state relay, the service life of the SSR relay will not be shortened by the stra...

  • What is the difference between electromagnetic relay and solid state relay

    Electromagnetic relay: The working principle of the electromagnetic relay is the principle of electromagnetic induction. The structure of a mechanical relay is very classic, and it has hardly changed since its invention. It consists of two parts: a c...

  • What is the main function of the relay

    Basic structureThe relay consists of four parts, which are coils, magnetic circuits, reaction springs and contacts.The purpose of the coil is that it can generate electromagnetic attraction when it is energized, which drives the armature of the magne...