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electrical relay

/ɪˈlɛktrɪkəl ˈriːleɪ/

1 entry

phrase

/ɪˈlɛktrɪkəl ˈriːleɪ/C1formaltechnical
  • ruЭлектрический выключатель, управляемый электрическим током, который использует электромагнит для механического замыкания или размыкания контактов, позволяя сигналу малой мощности управлять цепью большой мощности.

  1. Electromechanical switchB2formal

    An electrically operated switch that uses an electromagnet to mechanically open or close contacts, allowing a low-power signal to control a high-power circuit.

    ruЭлектромеханический переключатель

    • The electrical relay in the control panel activated the motor.
    • Engineers use an electrical relay to isolate different parts of a circuit.
    • A faulty electrical relay caused the machine to stop working.

  2. Signal repeaterB2formal

    A device that receives a weak signal and retransmits it, often used in telecommunications to extend the range of a signal.

    ruЭлектрический ретранслятор

    • The electrical relay boosted the radio signal across the valley.
    • Data networks use electrical relays to maintain signal strength over long distances.
    • The technician installed an electrical relay to improve communication.