GE M-Pact Plus Operating & Installation Instructions Manual page 127

Air circuit breakers
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Pickup If set at 0.1 x In
Time delay set at 0.1 s
Pickup If set at 0.1 x In
Time delay set at inst.
*Overload & delayed short circuit curves @ Ir=1.0xIn
** N=I/Ir for overload & delayed short circuit
N=I/In for instantaneous & ground
APPENDIX - E
APPENDIX - E
APPENDIX - E
APPENDIX - E
APPENDIX - E
Trip Cur
Trip Cur
Trip Curv v v v v es*
Trip Cur
Trip Cur
es*
es*
es*
es*
Mpro 30 / 40 with tolerance
Mpr
Mpr
Mpr
Mpr
o 30 / 40 with tolerance
o 30 / 40 with tolerance
o 30 / 40 with tolerance
o 30 / 40 with tolerance
Earth fault pick up If
Adjustment = 0.1 to 1.0 x In
in 0.01 x In steps
Pickup If set at 1 x In
Cropping set at 6
Time delay set at 1 s
Time delay has 11 settings
Inst. to 1 s in steps of 0.1 s
Indicated: Inst., 0.1 s and 1 s
Current as Multiples of N**
127
Earth fault cropping C
trip Time = Time delay x C x I f/I
Adjustment = 1, 1.5, 2, 2.5, 3, 4, 5 & 6
Note: 1 = OFF
Indicated: C = 1.5 and 6
APPENDIX

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