Eaton 270VCP-W1000 Vacuum Circuit Breaker Manuals

Manuals and User Guides for Eaton 270VCP-W1000 Vacuum Circuit Breaker. We have 1 Eaton 270VCP-W1000 Vacuum Circuit Breaker manual available for free PDF download: Instructions For Installation, Operation And Maintenance

Eaton 270VCP-W1000 Instructions For Installation, Operation And Maintenance

Eaton 270VCP-W1000 Instructions For Installation, Operation And Maintenance (81 pages)

Vacuum Circuit Breakers

Brand: Eaton | Category: Circuit breakers | Size: 5 MB

Table of Contents

Table of Contents
3
Section 1: Introduction

7
Section 2: Safe Practices

16
- Recommendations
  16
Section 3: Receiving, Handling and Storage

17
- General
  17
- Receiving
  17
- Handling
  17
- Storage
  17
- Tools and Accessories
  18
Section 4: Initial Inspection and Installation

25
- Introduction
  25
- Manual Operation Check
  25
- Vacuum Interrupter Integrity
  25
- Insulation
  25
- Contact Erosion and Wipe
  25
- Primary Circuit Resistance
  25
- Nameplate
  25
- Electrical Operation Check
  26
  - 4-8.1 Circuit Breaker Insertion and Removal
    26
  - 4-8.2 Operation Check Performance
    32
- Circuit Breaker/Structure Interfacing
  33
  - 4-9.1 Interface Interlocks/Interfacing Check
    33
Section 5: Description and Operation

35
- Introduction
  35
- Interrupter Assembly
  35
- Stored Energy Mechanism
  38
  - 5-3.1 Operation of Stored Energy Mechanism
    38
  - 5-3.2 Charging
    41
  - 5-3.3 Closing Operation
    41
  - 5-3.4 Tripping Operation
    41
  - 5-3.5 Trip Free Operation
    41
- Control Schemes
  41
  - 5-4.1 Timing
    45
  - 5-4.2 Secondary Disconnects
    45
  - 5-4.3 Undervoltage Trip Device
    45
- Interlocks and Interfacing
  47
- Levering Mechanism
  47
- Operations Counter
  47
- Ground Contact
  47
- MOC and TOC Switch Operations
  47
Section 6: Inspection, Maintenance and Troubleshooting

48
- Introduction
  48
- Frequency of Inspection and Maintenance
  48
  - 6-2.1 Qualified Personnel
    48
  - 6-2.2 General Torque Guidelines
    49
- Inspection and Maintenance Procedures
  50
- Vacuum Interrupter Integrity Test
  51
- Contact Erosion and Wipe
  52
- Insulation
  52
- Insulation Integrity Check
  53
- Primary Circuit Resistance Check
  54
- Mechanism Check
  54
  - 6-9.1 Closure TM Test
    54
- Lubrication
  58
- Troubleshooting Chart
  61
- End of Life Procedure
  61
- Failure Reporting
  61
Section 7: Renewal Parts

62
- General
  62
  - 7-1.1 Ordering Instructions
    62

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