Eaton 520 - Page 33

33
Instruction Leaet IL01301051E
effective September 2013
Operating Manual for Series NRX
Trip Units - Digitrip™ 520/520M
EATON www.eaton.com
Series NRX
TRIP FUNCTION SETTINGS
Circuit No./Address
______________________________
Breaker Shop Order Reference
______________________________
PER UNIT MULTIPLIERS
Rating Plug Amperes (I
n
)
______________________________
I
R
Continuous Ampere Rating = LDS x I
n
______________________________
Trip Function Per Unit Setting Multi Ampere
Equivalent Setting
Time Delay
Inst. I
n
Long Delay I
n
Sec.
Short Delay I
R
Sec.
Ground Fault I
n
Sec.
Date _____________________________ By ________________________________________________
Figure 28. Typical Trip Function Record Nameplate
Series NRX
AUTOMATIC TRIP OPERATION RECORD
Circuit No./Address Breaker Shop Order Reference
Trip Function Settings Reference
Orig. 0 Rev. 1 Rev. 2 Rev. 3
Instantaneous
Long Delay Setting
Long Delay Time
Short Setting
Short Time
Ground Fault Setting
Ground Fault Time
Date of Trip Trip Mode Indicator Setting Ref. Setting
Change Made
Investigated By
Figure 29. Automatic Trip Operation Record