Table Of Contents - Eaton Cutler-Hammer VCP-W Instructions For Installation, Operation And Maintenance

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SECTION 1: INTRODUCTION
1-1 Preliminary Comments and Safety Precautions..................................................................................................1
1-1.1 Warranty and Liability Information ..........................................................................................................1
1-1.2 Safety Precautions .................................................................................................................................1
1-2 General Information.............................................................................................................................................1
1-3 Type VCP-W Vacuum Circuit Breaker Ratings (Table 1.1).................................................................................2
1-4 Outlines and Dimensions ....................................................................................................................................3
SECTION 2: SAFE PRACTICES
2-1 Recommendations ..............................................................................................................................................4
SECTION 3: RECEIVING, HANDLING AND STORAGE
3-1 General ...............................................................................................................................................................5
3-2 Receiving.............................................................................................................................................................5
3-3 Handling ..............................................................................................................................................................5
3-4 Storage ...............................................................................................................................................................6
3-5 Tools and Accessories ........................................................................................................................................7
3-6 Type VCP-W Vacuum Circuit Breaker Weights (Table 3.1) ................................................................................7
SECTION 4: INITIAL INSPECTION AND INSTALLATION
4-1 Introduction........................................................................................................................................................12
4-2 Manual Operation Check...................................................................................................................................12
4-3 Vacuum Interrupter Integrity..............................................................................................................................12
4-4 Insulation ...........................................................................................................................................................12
4-5 Contact Erosion and Wipe.................................................................................................................................12
4-6 Primary Circuit Resistance ................................................................................................................................12
4-7 Nameplate .........................................................................................................................................................12
4-8 Electrical Operation Check................................................................................................................................13
4-8.1 Circuit Breaker Insertion and Removal.................................................................................................13
4-8.2 Operation Check Performance .............................................................................................................14
4-9 Breaker/Structure Interfacing ............................................................................................................................14
4-9.1 Interface Interlocks ...............................................................................................................................14
4-9.2 Interfacing Check .................................................................................................................................14
SECTION 5: DESCRIPTION AND OPERATION
5-1 Introduction........................................................................................................................................................16
5-2 Interrupter Assembly .........................................................................................................................................16
5-2.1 Vacuum Interrupter...............................................................................................................................17
5-2.2 Contact Erosion Indication ...................................................................................................................17
5-2.3 Loading Spring Indication.....................................................................................................................18
5-2.4 Contact Wipe and Stroke .....................................................................................................................18
5-3 Stored Energy Mechanism ................................................................................................................................18
5-3.1 Operation of Stored Energy Mechanism ..............................................................................................18
5-3.2 Charging ...............................................................................................................................................18

TABLE OF CONTENTS

I.B. 3A74792H04
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Effective 7/97