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Tripping and Limitation Curves
TNSX 100-250-Distribution Protection
TMD Magnetic Trip Units
70 ' 70 '
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For all TDM curves :
Values are given for 40 ° C ambiant, Ir = 1xIn, 3 poles loaded, cold start.
For Ir = k x In, read the time corresponding to 1/k times given current.
For 1 pole tripping, read the time corresponding to 0.85 times given current.
70 *
For hot start (0.9 x Ir), divide max. time by 2, min. time by 4 70 *
120
100
80
0 20 40 60
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