• What is the function and basic working principle of signal relay

    What is the function and basic working principle of signal relay

    A relay (English name: relay) is an electrical control device, which is an single-phase relay electrical appliance that makes a predetermined step change in the controlled quantity in the electrical output circuit when the change of the input quantity (excitation quantity) reaches the specified requ... read more

    01-09-2022 Industry News
  • What are the contact forms of the relay

    What are the contact forms of the relay

    A relay is an electrical control device, which is an electrical appliance that makes a predetermined step change in the controlled quantity in the electrical output circuit when the change of the input quantity (excitation quantity) reaches three-phase relay the specified requirements. It has an int... read more

    23-08-2022 Industry News
  • What is the function of the relay coil

    What is the function of the relay coil

    Single Dual Coil Latching Relay (English name: relay) is an electrical control device, which is an electrical appliance that makes a predetermined step change in the controlled quantity in the electrical output circuit when the change of the input quantity (excitation quantity) reaches the specified... read more

    15-08-2022 Industry News
  • What is a relay and its four functions

    What is a relay and its four functions

    What is a relay? From the definition of a relay, a relay is an automatic control device that will change the output by jumping when the input (electricity, magnetism, sound, light, heat) reaches a certain value. The smart home relay is actually an electronic control device. It has a strong control s... read more

    08-08-2022 Industry News
  • What is the working principle of electromagnetic relay

    What is the working principle of electromagnetic relay

    Electromagnetic relay is one of the earliest produced and most smart home relay widely used relays. Electromagnetic relays are usually composed of seven parts: electromagnetic coil, iron core, armature, contact, return spring, bracket and pin. UL & VDE Certification 16A PCB type Smart Home Relay... read more

    01-08-2022 Industry News
  • Are pin plug-in resistors obsolete

    Are pin plug-in resistors obsolete

    In the varistor market, although the growth rate of through-hole lead products is much slower than that of SMT products, manufacturers expect that the growth rate of through-hole lead varistors will still be between 5% and 10% this year. In the U.S. market, demand for through-lead varistors still ac... read more

    19-07-2022 Industry News
  • What are the classifications of magnetic latching relays

    What are the classifications of magnetic latching relays

    There are many types of relays, so how do we classify them? Below we classify the magnetic latching relay according to their working principle, product usage, external dimensions, protection features, contact loads, etc: Classification according to the working principle of relays Electromagnetic Re... read more

    11-07-2022 Industry News
  • What are some contact forms and symbols of relays

    What are some contact forms and symbols of relays

    Generally speaking, magnetic latching relay are composed of two parts: contacts and coils, so the graphic symbols in the relay circuit diagram also include two parts: a group of contact symbols represents the contact combination; and a rectangular box represents the coil; When not many circuits are ... read more

    05-07-2022 Industry News
  • What factors affect the resistance change of insulation resistance

    What factors affect the resistance change of insulation resistance

    1. Influence of temperature: Temperature has a great influence on insulation resistance. Generally, insulation resistance decreases with the increase of temperature. The reason is that when the temperature increases, the polarization in the insulating medium intensifies, which increases the conducta... read more

    01-07-2022 Industry News