The command of the line contactor is managed automatically by the soft starter with a relay output programmed with the function LINE.CONT (sometimes also called Run according to soft starter models):
LINE CONT. = the output closes at the start command and it remains closed all the time when the soft starter is feeding voltage to the motor. It opens at the end of the deceleration ramp (or at the stop command in freewheel mode).
It keeps the line contactor energized as long as the motor is running, from the starting, up to the completion of the deceleration ramp.
Example. Line contactor managed with soft starter ADXL series
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Other information on this topic
Visit the website page dedicated to contactors. Check out our video on BF series
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Visit the website page dedicated to ADXL… series soft starters and check out related videos
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