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.
For NSX MCCB with ratings 100/160/250 A:
TMD: it is a thermal magnetic trip unit used for distribution networks (D: Distribution)
TMG: it is a thermal magnetic trip unit used for Generation plants (it has extra different protection functions for generation phase that are not found in TMD)
TMD: it is a thermal magnetic trip unit used for distribution networks (D: Distribution)
TMG: it is a thermal magnetic trip unit used for Generation plants (it has extra different protection functions for generation phase that are not found in TMD)