
Masterpact™ NT and NW Universal Power Circuit Breakers
Trip Curves
167
05/2014
© 2000–2014 Schneider Electric
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Section 8—
Trip Curves
MICROLOGIC 6.0 A/P/H TRIP UNITS: .......................................................................................................168
Ground Fault I
2
t OFF and ON, In ≤ 400 A .............................................................................................168
Ground Fault I
2
t OFF and ON, 400 A < I
n
≤ 1200 A .............................................................................169
Ground Fault I
2
t OFF and ON, I
n
> 1200 A ..........................................................................................170
MICROLOGIC 5.0/6.0 A/P/H TRIP UNITS .................................................................................................171
Long-Time Pickup and Delay, Short-Time Pickup, and I
2
t OFF Delay...................................................171
Short-Time Pickup and I
2
t ON Delay.....................................................................................................172
Instantaneous Pickup, 2x to 15x and OFF.............................................................................................173
MICROLOGIC 3.0A TRIP UNITS ...............................................................................................................174
Long-Time Pickup and Delay.................................................................................................................174
Instantaneous Pickup, 1.5X to 12X........................................................................................................175
MICROLOGIC 2.0A TRIP UNIT ..................................................................................................................176
MICROLOGIC 2.0/3.0/5.0/6.0 A/P/H TRIP UNIT INSTANTANEOUS OVERRIDE VALUES ......................177
MASTERPACT NW/NT LOW ARC FLASH CIRCUIT BREAKERS.............................................................178
Masterpact NW Low Arc Flash Circuit Breaker: L1F and LF .................................................................178
Masterpact NT Low Arc Flash Circuit Breaker: L1F and LF ..................................................................178
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