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177 Ulošci osigurača Fuse - links KARAKTERISTIKA CHARACTERISTIC gR, aR Vremensko - strujne karakteristike 0RIKAZANE VREMENSKO STRUJNE KRIVULJE ULOŘAKA OSIGURAĐA SU hSREDNJE KRIVULJEv /DSTUPANJE NA STRUJNOJ KOORDINATI NALAZI SE UNUTAR DOPUŃTENOG PODRUĐJA OD ¡ PREMA (2. %. I $). 6$% Time - current characteristics Represented time - current curves of fuse - links are “medium curves”. Deviation in the current co - ordinate are situated inside permissible range of ± 10 % according to HRN EN 60269 and DIN VDE 0636. Virtualno rastalno vrijeme (s) / Virtual pre - arcing time (s) 2ÏHNLYDQD VWUXMD $ eff ) / Prospective current (A r.m.s. ) A 5 A A 4 A 5 A A 8 A A 5 A A 4 Veličina Size Tip Type In [A] I 2 t [A 2 s] Rastalni / Pre-arc I 2 t [A 2 s] Ukupni / Operating Gubici [W] 1) Power dissipations [W] 1) Zagrijavanje [K] 2) Temperature rise [K] 2) 400 V 690 V 0,5 x I n I n 00 00C UBV UBN 20 16 70 150 1 5,1 23 25 25 120 240 1,3 6,3 25 32 65 290 610 1,4 6,5 40 40 100 470 975 1,8 8,8 55 50 150 700 1460 2,5 13 47 63 260 1200 2550 2,8 16 45 80 580 2700 5600 3,1 16,8 57 100 1030 4800 10000 3,3 17,2 50 125 1650 7800 16100 4,2 22 75 (63) 3) 160 2500 14700 24400 6 36 80 (65) 3) Gubici, zagrijavanje, I 2 t / Power dissipations, temperature rise, I 2 t 1) Gubici su dani za 50 % i 100 % nazivnog opterećenja Power dissipations are given at 50 % and at 100 % of rated current 2) Zagrijavanje priključka stezaljki i NPV podnožja Temperature rise of the screw terminals of NP and NPV fuse - bases 3) Zagrijavanje priključka stezaljki NPV podnožja Temperature rise of the screw terminals of NPV fuse - base