User manual 09/2009 - Schneider Electric

Tripping and Limitation CurvesTripping CurvesMicrologic 5.2 and 6.2 A or E electronic trip unitsMicrologic 5.2 and 6.2 A or E - 40... 160 AMicrologic 5.2 and 6.2 A or E - 250 ADB11477010 0005 0002 0001 00050040 A : Ir = 16 ...40 A100 A : Ir = 36 ...100 A160 A : Ir = 56 ...160 ADB11477110 0005 0002 0001 000500250 A : Ir = 90 ...250 A20010050tr = 0.5 ...16 s20010050tr = 0.5 ...16 st(s)2010521.5.2.1.05I²t OFFI²t ON0.40.30.20.10Isd = 1.5 ...10 x Irt(s)2010521.5.2.1.05I²t OFFI²t ON0.40.30.20.10Isd = 1.5 ...10 x Ir.02.01.005t < 10 ms.02.01.005t < 10 ms.002.001Ii = 1.5 ...15 In.5 .7 1 2 3 4 5 7 10 20 5 7 10 20 30 50I / IrI / In.002.001Ii = 1.5 ...12 In.5 .7 1 2 3 4 5 7 10 20 5 7 10 20 30 50I / IrI / InRefl ex tripping.Micrologic 6.2 A or E (ground-fault protection)DB11477210 0005 0002 0001 00050040 A : Ig = 0.4 ...1 x In> 40 A : Ig = 0.2 ...1 x In200100502010t(s)521.5.2.1.05.02.01.005I²t OFFI²t ON0.40.30.20.10.002.001.05 .07 .1 .2 .3 .4 .5 .7 1 2 3 4 5 7 10 20 30I / InLV434104 09/2009 161