Table Of Contents - Eaton Cutler-Hammer VCP-WR Series Instructions For The Use, Operation And Maintenance

Fixed vacuum circuit breaker elements

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Table Of Contents

Table of Contents

Instruction Book

Page iv

Effective: February 2007

SECTION 1 INTRODUCTION

1-1

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

1-2

Type VCP-WR Outlines and Dimensions .......................................................................................................... 3

SECTION 2 SAFE PRACTICES .................................................................................................................................15

SECTION 3 RECEIVING, HANDLING AND STORAGE ............................................................................................16

3-1

Receiving ........................................................................................................................................................16

3-2

Handling...........................................................................................................................................................16

3-3

Storage ............................................................................................................................................................16

3-4

Type VCP-WR Breaker Weights......................................................................................................................17

SECTION 4 INSPECTION AND OPERATION ..........................................................................................................25

4-1

Initial InAspection.............................................................................................................................................25

4-2

Manual Operation Check .................................................................................................................................25

4-3

Interface Verification ........................................................................................................................................25

SECTION 5 DESCRIPTION AND OPERATION.........................................................................................................26

5-1

Circuit Breaker Element ...............................................................................................................................26

5-2

Interrupter Assembly .................................................................................................................................... 26

5-2.1 Vacuum Interrupter ............................................................................................................................. 26

5-2.2 Contact Erosion Indicator ................................................................................................................... 28

5-2.3 "T" Cutout Loading Spring Indicator ................................................................................................. 29

5-2.4 Contact Wipe and Stroke ................................................................................................................... 29

5-3

Stored Energy Mechanism ........................................................................................................................... 29

5-3.1 Operation of Stored Energy Mechanism .......................................................................................... 29

5-3.2 Charging ............................................................................................................................................... 30

5-3.3 Closing Operation ............................................................................................................................... 30

5-3.4 Tripping Operation .............................................................................................................................. 30

5-3.5 Trip Free Operation ............................................................................................................................ 30

5-4

Control Scheme ............................................................................................................................................. 30

5-4.1 Timing ................................................................................................................................................... 33

5-4.2 Secondary Disconnects ...................................................................................................................... 33

5-5

Operations Counter ....................................................................................................................................... 33

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I.B. 8295A61H07