• Protection of relay contacts

    Protection of relay contacts (1) When the contact disconnects the inductive load circuit, the energy stored in the load must be consumed through the ignition of the arc. In order to eliminate and reduce the harm of the arc when the inductiv...

  • Factors affecting the reliability of relays - Part 3

    Factors affecting the reliability of electromagnetic relays 1. Impact of transportation and storage If the user ships from the general warehouse to each user unit, any boxing or boxing will cause changes in product mechanical parameters due...

  • Factors affecting the reliability of relays - Part 2

    Factors affecting the reliability of relays 1. The electromechanical switch device shall be installed between the positive pole of the power supply and the relay coil, so as to isolate the relay circuit safely in the disconnected state, so...

  • Factors affecting the reliability of relays

    Factors affecting the reliability of relays 1. If a relay with a dust cover is used in a temperature-changing (day and night) and high-humidity environment, condensation may occur, resulting in a decrease in insulation resistance or even a...

  • Design specification of relay

    Design specification of relay Above we talked about how to select relays that have been produced in batch and stably. If there is no variety and specification suitable for the requirements of the whole machine in the produced relay, it is n...

  • Select relay according to working status

    Select relay according to working status The working state of the relay mainly refers to the action state of the input signal to the coil. The design of the relay coil is corresponding to different input signal states, with long-term contin...

  • Select the type and parameters of the relay contacts accordi

    Select the type and parameters of the relay contacts according to the load The contact directly connected to the controlled circuit is the contact system of the relay. Long-term practice in foreign countries and China has proved that about...

  • Select the input parameters of the relay according to the in

    Select the input parameters of the relay according to the input quantity 1. Among the input parameters of the electromagnetic relay, the working voltage (or current) of the coil is closely related to the user, while the pull-in voltage (or...