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This FAQ has been written for NEAL (North East Africa and Levant) region. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
What is type of PTC signal coming from motor to ATS22 softstarter?
PTC thermistors are resistors with a positive temperature coefficient, which means that the resistance increases with increasing temperature.
resistance is recognized by soft starter and activates the relevant protection accordingly (Tripping: between 2700 ohm and 3100 ohm).

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