Appendix F: Setpoint Defaults and Worksheet
Use this form for reference to factory settings and a worksheet for setpoint record keeping.
Series NRX
Digitrip 1150
TRIP UNIT SETTINGS
Page 1
Circuit No./Address
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Breaker Shop Order Reference
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PER UNIT MULTIPLIERS
Rating Plug Amperes (In)
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Ir = Continuous Current Rating = LD x In
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Parameter
Factory Default Setting
Installed Setting
Notes
System Frequency
60Hz
Reverse Feed Breaker
Normal Feed (top to bottom)
Power Sign Convention
IEEE
Current Demand Window
Fixed Window
Current Demand Interval
5 Minutes
Power Demand Window
Fixed Window
Power Demand Interval
15 Minutes
Energy Log Window
Off
Long Delay Slope
I
2
t
Long Delay Pickup
100%
Long Delay Time
4 s
Thermal Memory
Enabled
Time Dial Setting for IEC / IEEE Slopes only
20 s
Short Delay Slope
Flat
Short Delay Pickup
300%
Short Delay Time
300 ms
Instantaneous Pickup
400%
Ground Fault Slope
Flat
Ground Fault Pickup
40%
Ground Fault Delay Time
300 ms
External Ground Sensing Ratio
fixed
Neutral Protection
100%
Current Unbalance Trip
Off
Current Unbalance Time Delay
10 s
Phase Loss Time Delay
Off
Voltage Protection
Off
Under Voltage Trip Setting
Off
Under Voltage Trip Time Delay
30 s
Over Voltage Trip Setting
Off
Over Voltage Trip Time Delay
30 s
Voltage Unbalance Trip Setting
Off
Voltage Unbalance Trip Time Delay
30 s
94
Effective September 2013
Instructional Leaflet IL01301064E
Operating Manual for Series NRX
Digitrip Trip Units 1150 / 1150i
EATON
www.eaton.com