User Manuals: Eaton DST-2-7.5-VR+500 Circuit Breaker

Manuals and User Guides for Eaton DST-2-7.5-VR+500 Circuit Breaker. We have 2 Eaton DST-2-7.5-VR+500 Circuit Breaker manuals available for free PDF download: Instruction Book

Eaton DST-2-7.5-VR+500 Instruction Book (38 pages)

Replacement Circuit Breaker

Brand: Eaton | Category: Circuit breakers | Size: 8 MB

Table of Contents
3
Section 1: Introduction
4
Visual Instruction Booklet Essentials
4
Quick Response Code
4
Available Dst-2 -Vr + Circuit Breakers
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
14
Vacuum Interrupter
14
Vacuum Interrupter Assembly
14
Contact Erosion Indicator
14
Contact Wipe and Stroke
15
Line and Load Conductor Assemblies
15
Stored Energy Mechanism
15
Closing Spring Charging
15
Closing Operation
15
Tripping Operation
16
Trip-Free Operation
16
Control Schemes
16
Timing
16
Secondary Connection Block
16
Interlocks
16
Anti-Close Interlock
16
Shutter Operating Mechanism
16
Racking System Trip and Spring Release Interlocks
18
Racking Mechanism
18
Levering System Trip and Spring Release Interlocks
18
Grounding Contact
18
Miscellaneous Items
18
Operations Counter
18
Section 5: Inspection & Installation
22
Examination for Damage
22
Nameplate Verification
22
Sure Close Mechanism Adjustment
22
Manual Operation Check
23
Vacuum Interrupter Integrity
23
Low Frequency Withstand Test (Insulation Check)
23
Contact Erosion and Wipe
23
Primary Circuit Resistance
23
Electrical Operations Check
23
Mechanical Interlock (Floor Trip) Operational Checks
23
Operation, Insertion and Removal (Levering-In Version)
24
Operational Positions (Levering-In Version)
24
Insertion Procedure (Levering-In Version)
24
Removal Procedure (Levering-In Version)
25
OPERATION, INSERTION, and REMOVAL for 5Kv and 15Kv MODELS with ROTARY RACKING PROVISIONS
26
Operational Positions (Domestic and some Canadian Rotary Racking Versions)
26
15Kv Removal Procedure
28
Section 6: Inspection & Maintenance
29
Inspection Frequency
29
Inspection and Maintenance Procedures
29
Vacuum Interrupter Integrity Test
30
Contact Erosion and Wipe
30
Insulation
31
Insulation Integrity Check
31
Primary Circuit Resistance Check
31
Vr-Series + Circuit Breaker Element Mechanism Check
31
Closure™ Test
31
Maintenance Recommendation
35
Section 7: Replacement Parts
37
General
37
Ordering Instructions
37

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

Replacement Circuit Breaker

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

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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User Manuals: Eaton DST-2-7.5-VR+500 Circuit Breaker

Eaton DST-2-7.5-VR+500 Instruction Book (38 pages)

Table of Contents

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

Table of Contents

Section 1: Introduction

Section 2: Safe Practices

Section 3: Receiving, Handling, and Storage

Section 4: Description and Operation

Section 5: Inspection & Installation

Sure Close Mechanism Adjustment

Section 6: Inspection & Maintenance

Vr-Series + Circuit Breaker Element Mechanism Check

Section 7: Replacement Parts

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