Relay enable control of high-power circuits with low-power signals, which is vital in applications like motor control, lighting systems, and process automation. In manufacturing and other process-driven industries, relays help maintain consistent operational conditions, which is important for product quality and process stability. Relays can be used to protect circuits from overloads by disconnecting the circuit when excessive current is detected. This helps in preventing damage to equipment and reducing the risk of fires or other hazards.
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