Motorvision Drawout (MVD) Technical Manual - PBSI Group Ltd

MVD TECHNICAL MANUAL
Appendix 4
Thermal Overload Trip Times.
The table below shows the trip times for Thermal Overload when t6x is set to 1 second.
Multiples Of
FLC
Trip Time
Cold Condition
Trip Time
When H/C=80%
Trip Time
When H/C=50%
Trip Time
When H/C=20%
1.1 77.46831 71.68687 60.40877 42.83732
1.2 46.42665 41.64164 32.77806 20.47689
1.3 33.81144 29.78096 22.58663 13.29105
1.4 26.45371 23.00953 17.02946 9.668931
1.5 21.54703 18.56813 13.50496 7.487293
1.6 18.02511 15.42205 11.07147 6.034917
1.7 15.37403 13.07914 9.295212 5.003074
1.8 13.30997 11.27106 7.946272 4.235556
1.9 11.66149 9.837634 6.890768 3.644744
2 10.31827 8.676889 6.04527 3.17768
2.1 9.205826 7.720641 5.355032 2.800485
2.2 8.271929 6.921518 4.782637 2.490488
2.3 7.478859 6.245566 4.301648 2.231962
2.4 6.798677 5.667817 3.892871 2.013661
2.5 6.21025 5.169508 3.542038 1.827342
2.6 5.697305 4.736272 3.238339 1.666828
2.7 5.247117 4.356935 2.973434 1.527405
2.8 4.849597 4.022677 2.740797 1.405415
2.9 4.496648 3.726455 2.53525 1.297983
3 4.181706 3.462575 2.352637 1.202813
3.1 3.899395 3.226394 2.189587 1.118058
3.2 3.645273 3.014089 2.043337 1.042213
3.3 3.415644 2.822485 1.911608 0.974041
3.4 3.207406 2.648928 1.792498 0.912516
3.5 3.017942 2.491181 1.684415 0.856783
3.6 2.845028 2.34735 1.586014 0.806122
3.7 2.686764 2.215821 1.496151 0.759922
3.8 2.541521 2.095209 1.413849 0.717665
3.9 2.407889 1.984322 1.338271 0.678907
4 2.28465 1.882129 1.268692 0.643264
4.1 2.170741 1.787732 1.204484 0.610407
4.2 2.065233 1.700348 1.1451 0.580047
4.3 1.967312 1.619293 1.090064 0.551934
4.4 1.87626 1.543962 1.038954 0.525849
4.5 1.791444 1.473824 0.991403 0.501597
4.6 1.712303 1.408407 0.947082 0.479009
4.7 1.638336 1.347292 0.905703 0.457935
4.8 1.569099 1.290108 0.867008 0.438239
4.9 1.504193 1.236521 0.830768 0.419803
5 1.443263 1.186234 0.796777 0.402521
5.1 1.385988 1.138978 0.76485 0.386297
5.2 1.332079 1.094512 0.734823 0.371045
5.3 1.281275 1.052621 0.706547 0.356689
5.4 1.233342 1.013107 0.679886 0.343159
5.5 1.188065 0.975792 0.65472 0.330392
5.6 1.145251 0.940516 0.630936 0.318332
5.7 1.104724 0.907132 0.608436 0.306926
5.8 1.066322 0.875505 0.587128 0.296128
5.9 1.029899 0.845513 0.566928 0.285896
6 0.99532 0.817046 0.54776 0.276188
The curves become definite time for multiples of FLC greater than 6.
I.E.
7 0.99532 0.817046 0.54776 0.276188
8 0.99532 0.817046 0.54776 0.276188
Page 64 Issue 1 03/2008 P&B Engineering