User Manuals: Eaton 72W-VAC20 Vacuum Circuit Breaker

Manuals and User Guides for Eaton 72W-VAC20 Vacuum Circuit Breaker. We have 2 Eaton 72W-VAC20 Vacuum Circuit Breaker manuals available for free PDF download: Instructions For Installation, Operation And Maintenance

Eaton 72W-VAC20 Instructions For Installation, Operation And Maintenance (62 pages)

Vacuum Circuit Breaker

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

Table of Contents
4
Figure Title

9
Type W-VACR 630A Breaker Element Only Outline Dimensions (Millimeters) & Weights (Kilograms)
9
Type W-VACR 630A Breaker Element Only Outline Dimensions (Millimeters) & Weights (Kilograms)
10
Type W-VACR 800/1250A Breaker Element Only Outline Dimensions (Millimeters) & Weights (Kg)
11
Type W-VACR 800/1250A Breaker Element Only Outline Dimensions (Millimeters) & Weights (Kg)
12
Type W-VACR 800/1250A Breaker Element Only Outline Dimensions (Millimeters) & Weights (Kg)
13
Type W-VACR 2000A Breaker Element Only Outline Dimensions (Millimeters) & Weights (Kg)
14
Type W-VACR 2500A Breaker Element Only Outline Dimensions (Millimeters) & Weights (Kg)
15
Type W-VAC Breaker Element Only Outline Dimensions (Millimeters) and Weights (Kilograms)
16
Outline and Dimensions (MM) Type W-VAC Breaker Element with Carriage Assembly and Cradle Assembly
17
- Outline and Dimensions (MM) Type W-VAC 3150 Breaker with Carriage Assembly
  18
Section 2 Safe Practices

19
Section 3 Receiving, Handling and Storage

20
Section 4 Installation

28
Section 5 Description and Operation

32
Section 6 Inspection and Maintenance

43
Section 7 Renewal Parts

56
- General
  56
- Ordering Instructions
  56

Eaton 72W-VAC20 Instructions For Installation, Operation And Maintenance (48 pages)

Vacuum Circuit Breakers

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

Table of Contents
4
Section 1 Introduction

7
Section 2 Safe Practices

10
Section 3 Receiving, Handling and Storage

11
- Receiving
  11
- Front and Rear External View W-VAC Breaker with Cradle Assembly for
  17
Section 4 Installation

18
Section 5 Description and Operation

22
- Interrupter Assembly
  22
- 5-1.1 Vacuum Interrupter
  22
- Flush Mounted Configuration
  22
- 5-1.2 Contact Erosion Indicator
  23
- 5-1.3 "T" Cutout Loading Spring Indicator
  23
- 5-1.4 Contact Wipe and Stroke
  23
- Behind the Door Configuration
  23
- 5-1.5 Pole Unit Support Molding
  24
- Stored Energy Mechanism
  24
- 5-2.1 Operation of Stored Energy Mechanism
  24
- Type W-VAC 95 Kv BIL Breaker Shown with Left Hand Cover Removed for Clarity Purposes
  24
- 5-2.2 Charging
  25
- 5-2.3 Closing Operation
  25
- 5-2.4 Tripping Operation
  25
- 5-2.5 Trip Free Operation
  25
- Control Scheme
  25
- Closing Cam and Trip Linkage
  26
- Charging Schematic
  27
- 5-3.1 Timing
  28
- 5-3.2 Secondary Disconnects
  28
- 5-3.3 Undervoltage Trip Device
  28
- Interlocks
  29
- 5-4.1 Floor Tripping, Spring Release and Anti-Latch Interlocks
  29
- 5-4.2 Levering Interlock
  29
- 5-4.3 Anti-Close Interlock
  29
- 5-4.4 Earthing Drive Interlock
  29
- Miscellaneous
  29
- 5-5.1 Earthing Contact
  29
- 5-5.2 Operations Counter
  29
- Levering Mechanism
  29
- Undervoltage Trip Device Configuration
  31
Section 6 Inspection and Maintenance

32
- Warning
  32
- Frequency
  32
- Lubrication Points
  32
- Inspection and Maintenance Procedures
  33
- Vacuum Interrupter Integrity Test
  34
- Contact Erosion and Wipe
  34
- Insulation
  35
- Insulation Integrity Check
  35
- Vacuum Interrupter Showing Contact Erosion Indicator with Breaker Open
  35
- Vacuum Interrupter Showing Contact Erosion Indicator with Breaker Closed
  35
- Primary Circuit Resistance Check
  36
- Mechanism Check
  36
- Lubrication
  36
- T" Contact Wipe Indicator
  36
- Troubleshooting Chart
  38
Section 7 Renewal Parts

41
- General
  41
- Ordering Instructions
  41

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User Manuals: Eaton 72W-VAC20 Vacuum Circuit Breaker

Eaton 72W-VAC20 Instructions For Installation, Operation And Maintenance (62 pages)

Table of Contents

Figure Title

Section 2 Safe Practices

Section 3 Receiving, Handling and Storage

Section 4 Installation

Section 5 Description and Operation

Section 6 Inspection and Maintenance

Section 7 Renewal Parts