Page 12 of Miniature Circuit Breakers by Moeller Electric USA

faz branch circuit breakers technical data tripping characteristics 7200 3600 1200 600 2 influence of ambient temperature t on load carrying capacity tripping characteristic acc to ul 489 csa 22.2 no 235 1 2 1 1.40 conventional non-tripping current int 1.0 i n t=40 °c conventional tripping current i t 1.35 i n t 1 h t=25 °c 2.0 i n t 12 120 s t=25 °c 300 120 60 30 1.30 3 3 load factor kt [i/in instantaneous tripping acc to iec 60898-1 1.20 tr ipping time t [sec 10 3 4 type c 5 i n t 0.1 s 10 i n t 0.1 s type d 10 i n t 0.1 s 20 i n t 0.1 s 5 2 1 0.5 0.2 0.1 0.05 0.02 0.01 0.005 0.002 0.001 6 1.10 1.00 4 4 5 c 5 d 0.90 -20 -10 0 10 20 30 40 50 ambient temperature t [°c maximum load il at ambient temperature t il t in kt t 1 2 3 4 5 6 7 8 9 10 15 20 30 40 50 0.0005 multiples of in power loss at in characteristic c characteristic d in [a 0.5 1 1.5 2 3 4 5 6 7 8 10 13 15 16 20 25 30 32 35 40 1p p[w 1.6 1.1 1.3 1.4 1.2 1.4 1.9 1.2 1.4 1.4 1.8 2.4 1.9 2.1 2.9 3.1 3.0 3.4 3.7 4.0 2p p[w 3.2 2.2 2.6 2.8 2.4 2.9 3.7 2.3 2.8 2.8 3.6 4.7 3.8 4.3 5.8 6.2 6.0 6.8 7.4 8.1 3p p[w 4.7 3.4 3.9 4.3 3.6 4.3 5.6 3.5 4.3 4.2 5.3 7.1 5.6 6.4 8.7 9.3 9.0 10.2 11.0 12.1 in [a 0.5 1 1.5 2 3 4 5 6 7 8 10 13 15 16 20 25 30 32 35 40 1p p[w 1.6 0.8 1.0 1.0 1.2 1.4 1.5 1.2 1.4 1.2 1.5 2.0 1.5 1.7 1.8 2.6 2.7 3.1 3.8 3.9 2p p[w 3.2 1.5 2.1 2.1 2.4 2.9 2.9 2.3 2.8 2.4 3.0 4.1 3.1 3.5 3.7 5.1 5.4 6.2 7.6 7.8 3p p[w 4.8 2.3 3.1 3.1 3.6 4.3 4.4 3.5 4.3 3.7 4.5 6.1 4.6 5.2 5.5 7.7 8.1 9.3 11.3 11.6 www.moellerusa.net www.moeller.ca 11

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