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By ABB SACE

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Cu SB4 500A 4 cond. Cu SB5 500A 5 cond. Cu SB6 500A 5 cond. Cu SB7 500A 4 cond. Cu MR 630A 4 cond. Cu MRf 630A 5 cond. Cu SB4 700A 4 cond. Cu SB5 700A 5 cond. 122 Ur [V] 400 400 400 400 400 400 400 400 400 400 500 500 500 500 1000 1000 500 500 500 500 1000 1000 500 500 500 500 1000 1000 500 500 500 500 1000 1000 500 500 Size 700 700 800 800 800 800 800 800 800 1000 1000 1000 1000 1000 1000 1000 1000 1200 1250 1250 1500 1600 1600 2000 2000 2400 2500 2500 3000 3000 3200 3200 4000 4000 5000 5000 Type SB6 700A 5 cond.

S. 5 Neutral and protective conductors 2 Protection of feeders 2 Protection of feeders • k is a constant which depends on the material of the protective conductor, on the type of insulation and on initial and final temperature. The most common values can be taken from Tables 3 and 4. Further values of k can be taken from the Tables in Annex D, which provides the formula for accurate calculation of the value of k. If Table 2 or formula (1) do not provide a standardized cross section, a larger standardized cross section shall be chosen.

Cu LB404 40A 4 cond. Cu HL404 40A 4 cond. Cu HL4044 40A 4+4 cond. Cu SL 40A 4 cond. Cu SL 63A 4 cond. Cu MS 100A 4 cond.

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Electrical devices by ABB SACE


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