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Instruction Book
Page 46
Effective: March 2007
For more information visit:
www.EatonElectrical.com
I.B
6513C80G
SYMPTOM
INSPECTION AREA
PROBABLE DEFECTS
FAILS TO TRIP
• No Trip Sound
• Control Circuit
• Trip Mechanism
• Control Power
(Fuse blown or switch off)
• Secondary Disconnect
• Auxiliary Switch
(a contact not making poor or
burned)
• Trip Coil
(Burned or open)
• Terminals and Connections
(Poor or burned or open)
• Trip Clapper
(Jammed)
• Trip Sound
But no Trip
• Trip Mechanism
• Vacuum Interrupter
(One or more Welded)
• Trip Bar, Trip Latch
(Jammed)
• Pole Shaft
(Jammed)
• Operating Rod Assembly
(Broken or pins out)
UNDESIRABLY TRIPS
• Control Circuit
• Control Power
(CS/T Switch, remains made)
• Mechanism
• Trip Coil Clapper
(Not resetting)
• Trip Bar or Trip Latch
(Poor engagement of mating or
worn surfaces)
• Trip Bar Reset Spring
(Loss of torque)