Eaton 50VCP-W350 - Default Chapter; Table of Contents

I.B. 32-255-1G
Page iv
Effective 12/02
TABLE OF CONTENTS
PAGE
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 Element Ratings (Tables 1.1, 1.2, 1.3 and 1.4)......................................3
1-4 Outlines and Dimensions ....................................................................................................................................5
SECTION 2 SAFE PRACTICES
2-1 Recommendations ..............................................................................................................................................7
SECTION 3 RECEIVING, HANDLING AND STORAGE
3-1 General ...............................................................................................................................................................8
3-2 Receiving.............................................................................................................................................................8
3-3 Handling ..............................................................................................................................................................8
3-4 Storage ...............................................................................................................................................................8
3-5 Tools and Accessories ........................................................................................................................................9
3-6 Type VCP-W Vacuum Circuit Breaker Element Weights (Tables 3.1 and 3.2)...................................................9
SECTION 4 INITIAL INSPECTION AND INSTALLATION
4-1 Introduction........................................................................................................................................................16
4-2 Manual Operation Check...................................................................................................................................16
4-3 Vacuum Interrupter Integrity..............................................................................................................................16
4-4 Insulation...........................................................................................................................................................16
4-5 Contact Erosion and Wipe.................................................................................................................................16
4-6 Primary Circuit Resistance................................................................................................................................16
4-7 Nameplate.........................................................................................................................................................16
4-8 Electrical Operation Check................................................................................................................................17
4-8.1 Circuit Breaker Insertion and Removal.................................................................................................17
4-8.2 Operation Check Performance.............................................................................................................19
4-9 Circuit Breaker/Structure Interfacing .................................................................................................................20
4-9.1 Interface Interlocks/Interfacing Check..................................................................................................20
SECTION 5 DESCRIPTION AND OPERATION
5-1 Introduction........................................................................................................................................................22
5-2 Interrupter Assembly .........................................................................................................................................22
5-2.1 Vacuum Interrupter...............................................................................................................................22
5-2.2 Contact Erosion Indication ...................................................................................................................23
5-2.3 “T” Cutout Loading Spring Indicator .....................................................................................................23
5-2.4 Contact Wipe and Stroke .....................................................................................................................23
5-2.5 Phase Barriers......................................................................................................................................23