C O N T E N TS
INTRODUCTION.
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OPERATION
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Electrical Operation
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Manual Operation
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Electrical with Manual Operation.
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MAINTENANCE
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Inspection
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Separation of Front and Back Frames.
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Lubrication
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Trouble Shooting
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BASIC BREAKER COMPONENTS
Disconnects
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Arc Quencher
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Breaker Contact Structure.
Contact Adjustments
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Contact Replacement
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Mechanism
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Auxiliary Switch
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Electrical Control Components.
Closing Solenoid
"X"
Contactor
"Y"
Relay
Cut Off t:Jwitch .
Closing Switch
Shunt Trip Device
PROTECTIVE DEVICES
Overcurrent Trip Device
EC-2 Overcurrent Trip Device
EC-1 Overcurrent Trip Device
Reverse Current Trip Devices .
Power ::lensor Trip Device
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Selective Tripping
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Static Time Delay Undervoltage Tripping Vevice .
Instantaneous Undervoltage Device .
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Undervoltage Lockout Device
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Bell Alarm Switch and
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or Lockout Attachment .
Open Fuse Lockout Device
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AKD-
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Interlock
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MISCELLANEOUS
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Maintenance Tools
RENEWAL PARTS .
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