Recent content by Ahmed Fadl El

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    Circuit Breaker Sizing for Distribution Board (D.B1 & D.B2): Confusion Resolved

    Dear berkeman, Thanks a lot for your response, My Country : Sudan The government regulating body sets the safety standards for these components: The latest edition of the following codes, regulations and standards: • IEC 60146 Low voltage switchgear and control gear • IEC 60269 Low voltage...
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    Circuit Breaker Sizing for Distribution Board (D.B1 & D.B2): Confusion Resolved

    I have Distribution board, Outgoing (D.B1) But I got confuse for MCB sizing: The busbar 400V, 125A, 50Hz, 4P, 10KA for 1Sec. The part of Outgoing Rates as the followings: Feeder-1: 2.5 KVA used 25A MCB 2P Feeder-2: 3.5 KVA used 25A MCB 2P Feeder-3: 2.0 KVA used 25A MCB 2P Feeder-4...