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56
User Manual
MN013016EN
Effective July 2022
Magnum PXR and Power Defense SB low
voltage power circuit breakers user manual
EATON
www.eaton.com
As Found Condition:
Cleanliness ___________
Arc Chute Wear _______________
Contact Wear _______________ Lubrication _______________
Broken or missing parts _______________
Wiring Condition _______________
Functional Checks - Manual Operation
Manual Charging __________
CLOSE
Push Button _______________
OPEN
Push Button __________
Levering In Device _________
Counter advancing on Charge __________
OPEN/CLOSED Flag operation_______________
CHARGED/DISCHARGED Flag operation _______________
Functional Checks - Electrical (at reduced nominal if possible)
Motor operator @ 85% Voltage __________
Spring Release @ 85% __________
Undervoltage Release Dropout @ 35% < 60% __________
Power Relay Module @ 85% ____________
Shunt Trip @ 70% _____________
Undervoltage Release Pickup @ 85% _______________
Trip Indicator Electrical Reset @ 85% __________
Trip Unit Functional Check with Hand-Held Test Kit __________
Trip Unit Primary Injection Test (see MAGNUM
PXR
and PD-SB
AIR CIRCUIT BREAKER TRIP UNIT FIELD TEST FORM )
__________
Interlock Checks
Wire Form Interlock __________
Trip Free Interlock ____________
Levering In Door Interlock __________
Interlocking Trip Indicator __________
Key Interlock __________
Cable/Rod Interlock _______________
MAGNUM
PXR
and PD-SB
AIR CIRCUIT BREAKER INSPECTION RECORD
Location _______________________________________
Date _________________________________
Position________________________________________
Serial No. ________________________________________
Switchgear Mfr. __________________________________
Cat # ___________________________________________
Other repairs recommended:
___________________________________________________________________________________________________________________
___________________________________________________________________________________________________________________
___________________________________________________________________________________________________________________
Remarks (Report action/repairs made):
___________________________________________________________________________________________________________________
___________________________________________________________________________________________________________________
___________________________________________________________________________________________________________________
Magnum PXR and PD-SB air circuit breaker inspection record