User Manuals: GE AK-3A-75S Electrical Circuit Breaker

Manuals and User Guides for GE AK-3A-75S Electrical Circuit Breaker. We have 3 GE AK-3A-75S Electrical Circuit Breaker manuals available for free PDF download: Maintenance Instructions Manual, Maintenance Manual, Installation And Operation Manual

GE AK-3A-75S Maintenance Manual (48 pages)

Low-Voltage Power Circuit Breakers

Brand: GE | Category: Circuit breakers | Size: 3 MB

Table of Contents
2
Introduction
3
Manual Closing
3
Operation
3
Maintenance
5
Troubleshooting
6
Basic Breaker Components
7
- Lubrication
  7
  - Separation of Front and Rear Frames
    7
  - Replacement - AK Breakers/Akf Breakers
    7
- Arc Quenchers
  7
  - Pole Unit Assembly
    8
  - Measuring Contact Wipe
    9
  - Measuring Contact Pressure
    9
  - Adjusting Contact Wipe and Pressure
    10
  - Contact Sequence
    10
  - Contact Gap
    11
  - Replacement of Contacts
    11
  - Pole Unit Assembly View
    12
  - Operating Mechanisms
    13
  - Charging the Closing Springs
    13
  - Closing Spring and Charging Mechanism
    14
  - Operating Mechanism
    14
  - Tripping the Breaker
    15
  - Adjustments
    15
  - Replacement
    15
  - Rear View of Front Frame - AK-50
    15
  - Quick Close Breaker Adjustments
    16
  - Quick-Closing Release Latch
    16
  - Release Arm Adjusting
    16
  - Stored-Energy Manual Mechanism
    17
  - Closing the Breaker
    17
  - Inserting the Safety Pin
    17
  - Replacement of Mechanism Parts
    17
  - Contact Adjustments
    19
  - Measurements
    19
  - Adjusting Center-Pole Contact Wipe and Overlap
    19
  - Field Discharge Contacts - Center Pole
    19
  - AKF Mechanism
    20
- Auxiliary Switch
  21
  - AK Breakers
    21
  - Adjusting Center-Pole Open Contact Gap
    21
  - Contact Replacement
    21
- Pole Unit Assembly
  21
- Cut-Off Switches
  23
- Static Time Delay Under-Voltage Tripping Device
  23
- Control Relay
  23
- Series Overcurrent Tripping Device
  29
- Selective Tripping
  39

GE AK-3A-75S Maintenance Instructions Manual (48 pages)

Lowvoltage Power Circuit Breakers

Brand: GE | Category: Circuit breakers | Size: 33 MB

GE AK-3A-75S Installation And Operation Manual (10 pages)

LOW-VOLTAGE POWER CIRCUIT BREAKERS

Brand: GE | Category: Circuit breakers | Size: 0 MB

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User Manuals: GE AK-3A-75S Electrical Circuit Breaker

GE AK-3A-75S Maintenance Manual (48 pages)

Table of Contents

GE AK-3A-75S Maintenance Instructions Manual (48 pages)

Table of Contents

GE AK-3A-75S Installation And Operation Manual (10 pages)

Table of Contents

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