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May 28, 2024 · A Relay is a simple electromechanical switch. While we use normal switches to close or open a circuit manually, a Relay is also a switch that connects or disconnects two circuits. But instead of a manual operation, a relay uses an electrical signal to control an electromagnet, which in turn connects or disconnects another circuit.
a group of people who continue an activity that others from the same team or organization have been doing previously: Relays of workers kept the machines going through the night. After the landslide, volunteers worked in relays to rescue people buried under the rubble. (also relay race)
A relay is an electrically operated switch. It consists of a set of input terminals for a single or multiple control signals, and a set of operating contact terminals. The switch may have any number of contacts in multiple contact forms, such as make contacts, break contacts, or combinations thereof.
noun. re· lay ˈrē-ˌlā. Synonyms of relay. 1. a. : a supply (as of horses) arranged beforehand for successive relief. b. : a number of persons who relieve others in some work. worked in relays around the clock. 2. a. : a race between teams in which each team member successively covers a specified portion of the course. b.
noun. electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit. synonyms: electrical relay. see more. Definitions of relay (/riˈleɪ/) verb. pass along.
an automatic device that controls the setting of a valve, switch, etc, by means of an electric motor, solenoid, or pneumatic mechanism. electronics an electrical device in which a small change in current or voltage controls the switching on or off of circuits or other devices. radio.
noun. ( Mechanical engineering: Control, instrumentation and metrology) A relay is a device that controls the setting of a valve or switch automatically by means of an electric motor, solenoid, or pneumatic mechanism. If the alarm is triggered, the relay automatically cuts off the heater.
1. a person or team of people relieving others, as on a shift. 2. a fresh team of horses, dogs, etc, posted at intervals along a route to relieve others. 3. the act of relaying or process of being relayed. 4. (General Sporting Terms)
to send a message from one person to another: Cory had an idea which he relayed to his friend immediately. relay verb [T] (BROADCAST) to broadcast radio or television signals. relay. noun [ C ] uk / ˈriːleɪ / us ( also relay race, uk us ) a race in which each member of a team runs or swims part of the race.
Definition: The relay is the device that open or closes the contacts to cause the operation of the other electric control. It detects the intolerable or undesirable condition with an assigned area and gives the commands to the circuit breaker to disconnect the affected area.
