Relays are essential components in various electrical circuits, playing a crucial role in controlling the flow of electrical current between different parts of a system. One of the key parameters that determine the effective operation of a relay is the relay voltage. Understanding relay voltage is vital for ensuring that the relay functions correctly, avoids damage, and operates in harmony with the rest of the electrical system.
What is Relay Voltage? Relay voltage refers to the electrical voltage required to energize the relay’s coil. This voltage is critical because it is the trigger that activates the magnetic field inside the relay, which in turn causes the relay’s contacts to close or open, depending on the design. The voltage applied to the coil must meet the specified requirements for the relay to function as intended. The voltage supplied to the relay can either be Direct Current (DC) or Alternating Current (AC), depending on the type of relay. DC relays are commonly used in low-voltage applications, while AC relays are typically employed in household and industrial systems that involve alternating current.
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