GE M-Pact Plus, Operating & Installation Instructions Manual

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117
APPENDIX
APPENDIX - A APPENDIX - A APPENDIX - A APPENDIX - A APPENDIX - A
Trip Cur Trip Cur
Trip Cur Trip Cur
Trip Curv vv
vves*
es*
es* es*
es*
MPr MPr
MPr MPr
MPro Plus - Frame1 & Frame2 o Plus - Frame1 & Frame2
o Plus - Frame1 & Frame2 o Plus - Frame1 & Frame2
o Plus - Frame1 & Frame2
(2500 used as example without tolerance)
*Overload & delayed short circuit curves @ Ir=1.0xIn
** N=I/Ir for overload & delayed short circuit
N=I/In for instantaneous & ground
Ti
me
t
o
t
rip
in
s
e
c
o
nd
s (
s)
Current as Multiples of N**
0.001
0.01
0.1
1
10
100
1000
10000
STDadj ustable:
0.1,0.2,0.4,0.5,0.6,0.8&1.0s
Indicated:0.1,0.5&1.0s
LT has7 availablesettings:
0.4to1.0xIninstepsof0.1
Indi cated:1.0xIn
ST has8 availablesettings:
1.5,2,3,4,6,8,10&12xIr
Indicated:1.5xI
r, 6xIr&12xIr
Making Current
Relea se:50kA
Instantaneous
release