• The purpose and classification of control relay

    The purpose and classification of control relay

    The purpose and classification of the control relay is an automatic electrical appliance. It is suitable for long-distance connection and disconnection of AC and DC small-capacity control circuits and is used for control, protection, and signal conversion in electric drive systems. The input quantit... read more

    18-11-2020 News
  • What is the role of the combination relay?

    What is the role of the combination relay?

    A relay is an electrical control device. It is an electrical appliance that causes a predetermined step change in the controlled quantity in the electrical output circuit when the change in the input quantity (excitation quantity) reaches the specified requirement. There are many types of relays, t... read more

    18-11-2020 News
  • How to remove the relay on the circuit board

    How to remove the relay on the circuit board

    Circuit board relay is a miniaturized electronic control device, in which the circuit board makes the circuit miniaturized and intuitive, which plays an important role in the mass production of fixed circuits and optimizing the layout of electrical appliances. The relay has a control system (also c... read more

    18-11-2020 News
  • Four steps to correctly select power relay

    Four steps to correctly select power relay

    How to choose the power relay correctly, which is divided into 4 steps, I hope it will be helpful to everyone's study. 1. Measuring contact resistanceUse the resistance file of the universal meter to measure the resistance of the normally closed contact and the moving point. The resistance value sho... read more

    18-11-2020 News
  • How to set electromagnetic relay?

    How to set electromagnetic relay?

    The structure and working principle of an electromagnetic relay are similar to that of a contactor, mainly composed of an electromagnetic mechanism and contacts. Electromagnetic relays are also available in DC and AC. The suction value and release value of the relay can be adjusted within a certain ... read more

    18-11-2020 News
  • What is the relay used for?

    What is the relay used for?

    What is the relay used for? Relay is a kind of protection element, an automatic switching element with isolation function. The relay can be used for switching, breaking, and connecting multiple circuits, which can expand the control range. With sensitive relays and intermediate relays, high-power ci... read more

    18-11-2020 News
  • What is the difference between a micro switch and a light touch switch

    What is the difference between a micro switch and a light touch switch

    Micro SwitchThe switch panel and the raised button connected with the switch panel are characterized in that the button is connected to the panel through arc-shaped connecting strips on both sides thereof; the button, the connecting strip, and the panel are preferably integrated injection molding, T... read more

    18-11-2020 News
  • Is it normal for car relays to get hot?

    Is it normal for car relays to get hot?

    Car relays get hot. From the perspective of physics, it is a process in which heat is generated by mechanical motion, and mechanical energy is converted into heat. This is a normal phenomenon. This is why a radiator is installed in many machines. A lot of heat is generated during the movement of the... read more

    18-11-2020 News
  • What is the function of the ground resistance tester

    What is the function of the ground resistance tester

    Accurately three-phase relay measure the ground impedance, ground resistance, and ground reactance of a large grounding network Potential; measure the on-resistance of the down conductor; measure the soil resistivity. The most important thing is to measure whether the resistance of the ground pole t... read more

    18-11-2020 News