Eaton 380 VCP-Wind Instructions For The Use, Operation And Maintenance

Contents

Page iv I.B. 70A2580H02Effective November 2012TABLE OF CONTENTSSECTION 1: INTRODUCTION Page1-1 Preliminary Comments and Safety Precautions.......................................................................................... 11-1.1 Warranty and Liability Information...................................................................................................... 11-1.2 Safety Precautions ............................................................................................................................. 11-2 General Information ..................................................................................................................................... 11-3 Type VCP-Wind Vacuum Circuit Breaker Ratings ...................................................................................... 21-4 Outlines and Dimensions............................................................................................................................. 3SECTION 2: SAFE PRACTICES2-1 Recommendations .................................................................................................................................... 4SECTION 2: RECEIVING, HANDLING AND STORAGE3-1 General ........................................................................................................................................................ 53-2 Receiving ..................................................................................................................................................... 53-3 Handling....................................................................................................................................................... 53-4 Storage ........................................................................................................................................................ 63-5 Tools and Accessories ................................................................................................................................ 63-6 Type VCP-Wind Vacuum Circuit Breaker Weights...................................................................................... 6SECTION 4: INITIAL INSPECTION AND INSTALLATION4-1 Introduction ................................................................................................................................................ 114-2 Manual Operation Check........................................................................................................................... 114-3 Vacuum Interrupter Integrity ...................................................................................................................... 114-4 Insulation ................................................................................................................................................... 114-5 Contact Erosion and Wipe......................................................................................................................... 114-6 Primary Circuit Resistance ........................................................................................................................ 114-7 Nameplate ................................................................................................................................................. 114-8 Electrical Operation Check ........................................................................................................................ 114-8.1 Circuit Breaker Insertion and Removal.................................................................................... 124-8.2 Operation Check Performance ................................................................................................ 144-9 Breaker/Structure Interfacing..................................................................................................................... 144-9.1 Interface Interlocks .................................................................................................................. 144-9.2 Drawout Breaker Interfacing Check (VCP-Wind) .................................................................... 14SECTION 5: DESCRIPTION AND OPERATION5-1 Introduction ................................................................................................................................................ 155-2 Vacuum Interrupter .................................................................................................................................... 155-2.1 Interrupter Assembly................................................................................................................ 155-2.2 Contact Erosion ....................................................................................................................... 155-2.3 Loading Spring......................................................................................................................... 165-2.4 Contact Wipe and Stroke......................................................................................................... 165-3 Stored Energy Mechanism ........................................................................................................................ 16