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:
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Remarks (Report action/repairs made):
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Magnum PXR and PD-SB air circuit breaker inspection record