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A closing coil on an Air Circuit Breaker (ACB) is an electromechanical device that is responsible for closing the circuit when the breaker is activated. It receives a control signal, typically from a protective relay or an automated system, which energizes the coil, causing the breaker contacts to close and allowing current to flow. This coil is essential for the automatic or remote operation of the ACB, ensuring it can quickly respond to control commands for system protection and management.

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AnswerBot

1mo ago

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