Eaton Cutler-Hammer VCP-WR 18 Series Instructions For The Use, Operation And Maintenance page 6

Red line vacuum circuit breaker elements

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Instructions for the use, operation and maintenance (71 pages)

Table Of Contents

Table of Contents

Page vi

Figure

Title

1-1

Type VCP-WR Series 18 Element Outlines and Dimensions (inches) ......................................................2

1-2

Type VCP-WR Series 20 Element Outlines and Dimensions (inches) ......................................................4

1-3

Type VCP-WR Series 29 Element Outlines and Dimensions (inches) ......................................................6

3-1

Front View VCP-WR Series 18................................................................................................................12

3-2

Rear View VCP-WR Series 18 ................................................................................................................13

3-3

Front View VCP-WR Series 20................................................................................................................14

3-4

Rear View VCP-WR Series 20 ................................................................................................................15

3-5

Front View VCP-WR Series 29................................................................................................................16

3-6

Rear View VCP-WR Series 29 ................................................................................................................17

3-7

Typical VCP-WR Escutcheon ..................................................................................................................18

5-1

Typical VCP-WR Front Mounted Mechanism ..........................................................................................21

5-2

Type VCP-WR Series 20 Interrupter Assemblies ....................................................................................22

5-3

Type VCP-WR Series 18 Interrupter Assemblies ....................................................................................22

5-4

Type VCP-WR Series 29 Interrupter Assemblies ....................................................................................22

5-5

Typical Cutler-Hammer Vacuum Interrupter Shown Attached to

Non-Sliding Current Transfer System......................................................................................................23

5-6

Closing Cam and Trip Linkage ................................................................................................................25

5-7

Charging Schematic ................................................................................................................................26

6-1

Typical VCP-WR Front Cover, Nameplate and Operational Indicators ...................................................29

6-2

Typical VCP-WR "DC" and "AC" Control Schematics..............................................................................30

6-3

Series 18 Primary Connection .................................................................................................................31

6-4

Series 18 Showing Bottom Accessed Interlocks and MOC Operator......................................................31

6-5

Series 20 Primary Connection .................................................................................................................32

6-6

Series 20 Showing Bottom Accessed Interlocks and MOC Operator......................................................33

6-7

Series 29 Primary Connection .................................................................................................................34

6-8

Series 29 Showing Bottom Accessed Interlocks and MOC Operator......................................................34

7-1

Lubrication Points ....................................................................................................................................35

7-2

Vacuum Interrupter Showing Contact Erosion Indicator with Breaker Open ...........................................38

7-3

Vacuum Interrupter Showing Contact Erosion Indicator with Breaker Closed.........................................38

7-4

Typical "T" Contact Wipe Indicator ..........................................................................................................39

7-5

Wipe Indication Procedure.......................................................................................................................40

Table

Title

1.1

Type VCP-WR (Red Line Series) Ratings .................................................................................................1

3.1

VCP-WR Breaker Weights (pounds) .......................................................................................................11

5.1

Breaker Timing ........................................................................................................................................27

7.1

Test Voltage.............................................................................................................................................37

7.2

Typical Resistance Measurements..........................................................................................................39

8.1

Recommended VCP-WR Spare Parts.....................................................................................................45

FIGURES

TABLES

I.B. 8295A61H03

Page

Effective 7/97

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