Ampcontrol OCS - Page 56

Ampcontrol Pty Ltd – ABN 28 000 915 542
OCS USER MANUAL
MAG-182 Version 5 – FEB/2020
Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version
Page 56 of 72
APPROVED FOR EXTERNAL DISTRIBUTION
– PROPERTY OF AMPCONTROL PTY LTD
– NOT TO BE REPRODUCED IN PART
Protection Element Over Current Time Multiplier Settings (TMS) including nominal trip time in
seconds at 10 PU Current
Value
TMS
10 x trip time
Value
TMS
10 x trip time
Value
TMS
10 x trip time
Ext Inv.
& MOL
Very
Inv.
Ext Inv.
& MOL
Very
Inv.
Ext Inv.
& MOL
Very
Inv.
25
0.32
0.259
0.480
55
3.2
2.59
4.80
26
0.35
0.283
0.525
56
3.5
2.83
5.25
27
0.38
0.307
0.570
57
3.8
3.07
5.70
28
0.42
0.339
0.630
58
4.2
3.39
6.30
29
0.46
0.372
0.690
59
4.6
3.72
6.90