ABB K-Line 800A Air Circuit Breaker Manuals

Manuals and User Guides for ABB K-Line 800A Air Circuit Breaker. We have 1 ABB K-Line 800A Air Circuit Breaker manual available for free PDF download: Installation & Maintenance Instructions Manual

ABB K-Line 800A Installation & Maintenance Instructions Manual

ABB K-Line 800A Installation & Maintenance Instructions Manual (36 pages)

Low Voltage Air-Magnetic Power Circuit Breakers

Brand: ABB | Category: Circuit breakers | Size: 1.86 MB

Table of Contents

Table of Contents
2
Introduction

5
- Application
  5
- Designation
  5
- Safety Issues
  5
- Receiving, Handling, and Storage
  5
Operating Features and Function

7
Operating Devices

9
Circuit Breaker Operation

11
- Racking
  11
- Charging Operation
  11
  - Electrically Operated Mechanism
    11
  - Manually Operated Mechanism
    12
- Closing Operation
  12
  - Electrically Operated Mechanism
    12
- Opening Operation
  12
- Slow-Close Procedure
  12
  - Manually Operated Mechanism
    13
Installation and Removal

14
- Stationary Type
  14
- Draw-Out Type
  14
Maintenance

15
- Inspection
  15
  - Arc Chutes
    15
  - Contact Structure
    16
  - Control Circuitry
    16
  - Disconnects
    16
  - Fasteners
    16
  - Lubrication
    16
  - Structural Insulation
    17
- Setting Adjustments
  17
  - Contact Structure
    17
  - Control Relay Device
    20
  - Close Latch Release Rod Travel
    20
  - Trip Latch Engagement
    20
  - Tripper Bar Travel
    20
  - Shunt Trip Device
    21
  - Magnetic Latch Device
    22
  - Electro-Mechanical Overcurrent Trip Device (OD)
    22
  - Solid-State Overcurrent Trip Device
    23
  - Microelectronic Overcurrent Trip Device
    23
- Operational Checks
  23
  - Draw-Out Shutter and Racking
    23
  - Auto Spring Discharge
    23
  - Electrical Charging, Closing, and Opening
    23
  - Trip-Free Mechanism
    23
  - Anti-Pump Circuit (EO)
    23
  - Magnetic Latch Release
    23
  - Trip Latch Drag Force
    24
  - Current Path Resistance
    24
  - Insulation Withstand
    24

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