Eaton DST-2-7.5-500 Manuals

Manuals and User Guides for Eaton DST-2-7.5-500. We have 1 Eaton DST-2-7.5-500 manual available for free PDF download: Instruction Book

Eaton DST-2-7.5-500 Instruction Book

Eaton DST-2-7.5-500 Instruction Book (36 pages)

Replacement Circuit Breaker

Brand: Eaton | Category: Circuit breakers | Size: 6 MB

Table of Contents

Table of Contents
3
Section 1: Introduction

4
Section 2: Safe Practices

7
Section 3: Receiving, Handling, and Storage

8
- Receiving
  8
- Handling
  9
- Storage
  9
- Approximate Weight by Type
  9
Section 4: Description and Operation

12
- Vacuum Interrupter
  12
- Vacuum Interrupter Assembly
  12
- Contact Erosion Indicator
  12
- Contact Wipe and Stroke
  13
- Line and Load Conductor Assemblies
  13
- Stored Energy Mechanism
  13
- Closing Spring Charging
  13
- Closing Operation
  13
- Tripping Operation
  14
- Trip-Free Operation
  14
- Control Schemes
  14
- Timing
  14
- Secondary Connection Block
  14
- Interlocks
  14
- Anti-Close Interlock
  14
- Shutter Operating Mechanism
  14
- Racking System Trip and Spring Release Interlocks
  16
- Racking Mechanism
  16
- Levering System Trip and Spring Release Interlocks
  16
- Grounding Contact
  16
- Miscellaneous Items
  16
- Operations Counter
  16
Section 5: Inspection & Installation

20
Section 6: Inspection & Maintenance

27
- Inspection Frequency
  27
- Inspection and Maintenance Procedures
  27
- Vacuum Interrupter Integrity Test
  28
- Contact Erosion and Wipe
  28
- Insulation
  29
- Insulation Integrity Check
  29
- Primary Circuit Resistance Check
  29
- Vr-Series + Circuit Breaker Element Mechanism Check
  
  29
  - Closure™ Test
    29
  - Maintenance Recommendation
    33
Section 7: Replacement Parts

35
- General
  35
- Ordering Instructions
  35

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