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What is the main function for the Carriege Switch (CE/DE/CT) found in the Withdrawable ACB ?

- Any Withdrawable ACB has 3 positions:
1- Connected
2- Tested (power circuit open but control circuit connected)
3- Disconnected

The main function of carrige switch is to give ouptput signal for each position as a status to the breaker

CE: When the breaker is connected, it is energized
CD: When the breaker is disconnected, it is energized
CT: when the breaker is in the testing position, it is energized
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