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Vydal: ABB s.r.o, ELSYNN Autor: ABB ELSYnn

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17 0.65 1.c.05 0.5 1.General Information Utilization Categories A contactor's duty characterised the utilization category together with the rated operational voltage and current indicated.35 0.m. Making and Breaking Conditions for Utilization Categories Utilization category Durability test conditions Occasional operation M aking and reaking pacitie ope tin cycle s M aking itio reaking itio aking itio reaking itio s I/Ie Cos.5 0.35 0. value the symmetrical components J m 1SBC101001C0202 7 .95 0.45 Ie> 100 0.95 1. a.65 0.05 0. AC-3 Cage motors: starting, switching off running motors.65 0.65 AC-3 Ie< 0.35 1.c.5 0.45 Ie> 100 0.05 0.35 1.65 1.8 1.35 1.35 1.05 0.45 1.45 17 Ie< 100 0.05 0.65 1.05 0.05 0.65 1. I/Ie Cos. Utilization categories for contactors according IEC 60947-4-1: Alternating current AC-1 Non-inductive slightly inductive loads, resistance furnaces.45 17 Ie< 100 0.05 0.05 0.05 0.05 0.35 0.35 AC-4 Ie< 0.45 1. 9 or or L/R (ms) L/R (ms) L/R (ms) L/R (ms) AC-1 0.45 1.45 1.05 0. Ic/Ie Ur/U Cos. like the r.8 AC-2 2. Ic/Ie Ur/U os.17 0.35 1.5 1.35 0.65 2.35 1. AC-4 Cage motors: starting, plugging, inching.s. AC Slip-ring motors: starting, switching off.35 Key: U (I) applied voltage (current) Ur recovery voltage L/R test circuit time constant Ue(Ie) rated operational voltage (current) Ic making and breaking current expressed d.05 0.05 0.05 0.17 0.05 0