User manual 09/2009 - Schneider Electric

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User manual 09/2009 - Schneider Electric

Tripping and Limitation CurvesCompact NSX400 to 630 - Distribution ProtectionTripping CurvesMicrologic 2.3, 5.3 and 6.3 A or E electronic trip unitsMicrologic 2.3 - 250... 400 AMicrologic 2.3 - 630 ADB11478010 0005 0002 0001 000500250 A : Ir = 63 ...250 A400 A : Ir = 144 ...400 ADB11478110 0005 0002 0001 000500630 A : Ir = 225 ...630 A2001005020010050t(s)2010521.5Isd = 1.5 ...10 x Irt(s)2010521.5Isd = 1.5 ...10 x Ir.2.1.05.2.1.05.02.01.005t < 10 ms.02.01.005t < 10 ms.002.001Ii = 12 x In.5 .7 1 2 3 4 5 7 10 20 30 50 70 100 200 300I / Ir.002.001Ii = 11 x In.5 .7 1 2 3 4 5 7 10 20 30 50 70 100 200 300I / IrRefl ex tripping.Micrologic 5.3 and 6.3 A or E - 400 AMicrologic 5.3 and 6.3 A or E - 630 ADB11478210 0005 0002 0001 000500400 A : Ir = 100 ...400 ADB11478310 0005 0002 0001 000500630 A : Ir = 225 ...630 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 ...12 In.5 .7 1 2 3 4 5 7 10 20 5 7 10 20 30 50I / IrI / In.002.001Ii = 1.5 ...11 In.5 .7 1 2 3 4 5 7 10 20 5 7 10 20 30 50I / IrI / InRefl ex tripping.164 LV434104 09/2009

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