• Relay main product technical parameters

    Relay main product technical parameters

    Rated operating voltageRefers to the voltage required by the coil when the relay is working normally. Depending on the type of relay, it can be either an AC voltage or a DC voltage.2. DC resistanceRefers to the DC resistance of the coil in the relay, which can be measured by a universal meter.3. Pu... read more

    18-11-2020 News
  • How to judge the quality of European-style terminal blocks?

    How to judge the quality of European-style terminal blocks?

    At present, the specifications of the terminal blocks on the market are similar. Whether the products are good or bad, we first look at the appearance. Generally, the plastic surface is smooth and free of burrs and no gaps. The color is pleasing to the eye without yellowing and dullness; the pins a... read more

    18-11-2020 News
  • Relay technology upgrades help industry development

    Relay technology upgrades help industry development

    The labor force of relay production is relatively intensive. Developed countries have shifted the general-purpose relay industry to manufacturing countries with low labor costs such as China. The early domestic enterprises are mostly foreign-funded enterprises or their OEM enterprises, so the inter... read more

    18-11-2020 News
  • Introduction to the types of relays

    Introduction to the types of relays

    In our power facilities, we often use a kind of electrical appliance, which is a relay. It is used in the automatic control circuit. It is a kind of switch for current operation. It has the functions of conversion circuit, automatic regulation and safety protection. Relays have different types depe... read more

    18-11-2020 News
  • Classification and function of automotive relays

    Classification and function of automotive relays

    Automotive relays are generally electromagnetic or solid. The electromagnetic relay says that the coil is energized to generate a magnetic field that attracts the electric shock and fits the static contact to turn on the circuit. The current mostly used in the solid state generates electrons throug... read more

    18-11-2020 News
  • Relay protection circuit design

    Relay protection circuit design

    Optocouplers are also known as opto-isolators or optocouplers, referred to as optocouplers. It is a device that transmits electrical signals by means of light. Generally, an illuminator (infrared light emitting diode (LED)) and a light receiver (photosensitive semiconductor tube) are packaged in th... read more

    18-11-2020 News
  • Classification and function of automotive relays

    Classification and function of automotive relays

    1. According to the purpose classification, it can be divided into two types: functional type and control type relay. Flash relays such as wiper relays are functional relays, and ordinary relays that simply turn the circuit on and off are controlled relays. 2. According to the contact status, it is... read more

    18-11-2020 News
  • Various classification principles of relays

    Various classification principles of relays

    According to the principle of action 1. A relay that produces a predetermined response by the relative motion of mechanical components under the action of current in the input circuit.It includes DC electromagnetic relay, AC electromagnetic relay, magnetic holding relay, polarization relay, reed re... read more

    18-11-2020 News
  • Development of relay technology

    Development of relay technology

    Electromagnetic relays (EMR) have been in use for over 150 years since the initial use of telephone relays. Along with the development of the electronics industry, especially the breakthrough of optical coupling technology in the early 1970s, solid-state relays (SSRs, also known as electronic relay... read more

    18-11-2020 News