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BEN AMMAR Atef
09-25-2013 09:50 PM

WHY THE SECTION REDUCED WHEN I ADD A DIFFERENTIAL PROTECTION

Voltage=400V, Motor load=30 KW WHEN I USE A DOL STRAT THE SECTION OF CABLE=95mm2,ADD A DIFFERENTIAL PROTECTION THE SECTION WILL BE 35mm2 WHY THE SECTION REDUCED WHEN I ADD A DIFFERENTIAL PROTECTION?
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