IEC 60255-151:2009 / IEEE C37.112-2018

Table 1 / IEEE C37.112 Table 1

IDMT overcurrent curve constants

The IDMT tool reads the three constants that shape each named relay curve.

Kua manatokotia: pānuitia ki te paerewa tā, whārangi 29 (PDF 31), Annex A Table A.1. I tirohia 26 Sept 2026.

Ngā unit: K -, Alpha -, C -

Ko ēnei ngā uara e tuhia ana e AmpSize. Kāore he kupu o te paerewa e tuhia ana. Whakamanahia ki te paerewa o nāianei.

Kimihia tētahi rārangi

7 rārangi

Table 1 / IEEE C37.112 Table 1, IDMT overcurrent curve constants
Name	K (-)	Alpha (-)	C (-)
IEC-SI	0.14	0.02	0
IEC-VI	13.5	1	0
IEC-EI	80	2	0
IEC-LTI	120	1	0
IEEE-MI	0.0515	0.02	0.114
IEEE-VI	19.61	2	0.491
IEEE-EI	28.2	2	0.1217

Ngā taputapu e pānui ana i tērā (1)