57
User Manual
MN013016EN
Effective July 2022
Magnum PXR and Power Defense SB low
voltage power circuit breakers user manual
EATON
www.eaton.com
Date_____________________________________________________________
Breaker GO# ______________________________ Item # ____________ Seq # __________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
Reset all trip unit settings back to as found positions
Remarks (record unusual conditions, corrections, needed repairs, etc; use separate form to record annual breaker inspection details):
______________________________________________________________________________________________________________________________________________________________
______________________________________________________________________________________________________________________________________________________________
______________________________________________________________________________________________________________________________________________________________
______________________________________________________________________________________________________________________________________________________________
______________________________________________________________________________________________________________________________________________________________
MAGNUM
PXR
and PD-SB
AIR CIRCUIT BREAKER TRIP UNIT FIELD TEST FORM
Reference Documents
MN013015EN
Location _______________________________________________________________
Test Data
Rating Plug/Sensor _______________ Amperes
Trip unit settings as found
Long Delay Setting (LDS) _____
Short Delay Setting (SDPU) _____
Short Delay Time (SDT) _____
Position _________________________________
Switchgear Mfr_______________________________________ Load Reading ___________________________________
Breaker Data
Breaker Catalog Number. __________________________________________________
Trip Unit Cat Number________________________________________
Ground Fault Settin (GFPU) _____
Long Delay Time (LDT) _____
Instantaneous (INST) _____
Ground Fault Time (GFT) _____
Maintenance Mode (ON/Off) _____
Long Delay Memory Jumper (LD Mem)(In/Out) _____
Trip unit test settings
LDS - 0.5 LDT - 4 SDPU - 2.5 SDT - 0.5 INST - 2 GFPU - 0.4 GFT - 0.5
LD Mem -
On
Zone Interlock
C19-21 On
Ground Fault
(if equipped with GF)
OFF
Trip 26-3
6
Maintenance Mode setting (if equpped) - R5
(2.5x)
Maintenance Mode
Off
Date of Test
Inspector's Initials
Long Delay Test A phas
e
Test Current% of In Rating
100%
Amperes
Observations
Time Range from
Curve in seconds
Long Delay LED
Blink during test
Left Pole
(A phase)
Center Pole
(B phase)
Right Pole
(C phase)
Long Delay LED
Blink during test
No Trip
Amperes
Short Delay LED
blink after test
Trip 0.4 to 0.555
Short Delay test C phase Trip
Test Current% of In Rating
131%
Amperes
Long Delay LED
Blink during test
No Trip
Instantaneous LED
blink after test
Trip <0 .06
5
Maintenance Mode Test C phase (if equipped) No Trip Set Maintenance Mode to ON
Blue LED on
No Trip < 0.4
Test Current% of In Rating
150%
Amperes Set Instantaneous to OFF
Long Delay Memory Test A phase (immediately following previous test)
Test Current% of In Rating
Amperes
100%
_____________
Instantaneous Test B phase No trip
Test Current% of In Rating
180%
Amperes
Instantaneous Test B phase Trip
Test Current% of In Rating
220%
Amperes
Short Delay Test C phase No trip
Test Current% of In Rating
120%
Long Delay LED
Blink after test
Trip <10
Trip 0.4 to 0.555
Test Current% of In Rating
44%
Amperes
Ground Fault C phase or N if 4 Pole Trip (if equipped)
GF = ON
GFPU = .0.4
Ground Fault LED
blink after test
Trip < 0.06
Test Current% of In Rating
287%
Amperes
Set Instantaneous to OFF
Ground Fault C phase or N if 4 Pole No Trip (if equipped)
GF = ON
GFPU = .0.4
No Trip
Test Current% of In Rating
36%
Amperes
Maintenance Mode Test C phase (if equipped) Trip Set Maintenance Mode to ON
Blue LED on
Instantaneous LED
blink after test
Magnum PXR and PD-SB air circuit breaker trip unit field test form
