Topic on Talk:TT system - Principle

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  • (cur prev topic) 16:15, 26 August 2023 . . Fatihalp (talk | contribs) commented on "About Fault Current Calculation" (For fault current it's stated as "IΔn ≤ 50/20 = 2.5 A so that a standard 300 mA RCD will operate in about 30 ms without intentional time...) . . +382