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.
TCE is an external CT that measures current for neutral protection and it is used as well for measuring residual earth-fault protection.
TCW is an external CT that is used in Source Ground Return protection only.
TCW is an external CT that is used in Source Ground Return protection only.