• 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 ar... read more

    Dec 22,2018 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 intern... read more

    Dec 29,2018 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 depen... read more

    Jan 05,2019 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 through... read more

    Jan 12,2019 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 the... read more

    Jan 26,2019 News