79
EATON
www.eaton.com
Effective September 2013
Instructional Leaflet IL01301064E
Operating Manual for Series NRX
Digitrip Trip Units 1150 / 1150i
Current Trip
Ground
Pickup (Ig)
0.24-1.00
SEL
SEL
Current Trip
Ground
Time (tg)
0.10-0.50 s
SEL
SEL
Current Trip
Neutral
Protect Ratio
50-200%
SEL
SEL
Current Trip
Amp Unbalance
Setting
Off-25%
SEL
SEL
Current Trip
Amp Unbalance
Time
0-240 s
SEL
SEL
Current Trip
Short Delay
PU Isd(xIr)
2.0 - 10.0
SEL
SEL
Current Trip
Short Delay
Time (tsd)
0.10-0.50 s
SEL
SEL
Current Trip
Instantaneous
PU Ii(xIn)
Off - 12.0
SEL
SEL
Current Trip
Ground
Sensing
Residual
SEL
SEL
Current Trip
Ground
Slope
Flat or i
2
t
SEL
SEL
PGM Set
Current Trip
Current Trip
Curve Slope
i
2
t, i
4
t, IEEE or
IEC etc.
ESC
SEL
Current Trip
Long Delay
PU Ir(xIn)
0.50-1.00
SEL
SEL
Current Trip
Long Delay
Time (tr)
xx.xs
SEL
SEL
Current Trip
Long Delay
Therm. Memory
Enabled
or
Disabled
SEL
SEL
Current Trip
Short Delay
Slope
Flat or i
2
t
SEL
SEL
Current Trip
Phase Loss
Time
Off-30 s
SEL
SEL
Current Trip
Press
[Save]
to Program
SEL
j
j
A red entry signifies a changeable entry which can be changed using the up or down pushbutton