Page iv
I.B. 70A2580H02
Effective November 2012
TABLE OF CONTENTS
SECTION 1: INTRODUCTION
Page
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-Wind
Vacuum Circuit Breaker Ratings ...................................................................................... 2
1-4 Outlines
and Dimensions............................................................................................................................. 3
SECTION 2: SAFE PRACTICES
2-1
Recommendations
.................................................................................................................................... 4
SECTION 2: 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 ................................................................................................................................ 6
3-6
Type VCP-Wind Vacuum Circuit Breaker Weights...................................................................................... 6
SECTION 4: INITIAL INSPECTION AND INSTALLATION
4-1
Introduction ................................................................................................................................................ 11
4-2 Manual
Operation Check........................................................................................................................... 11
4-3 Vacuum
Interrupter Integrity ...................................................................................................................... 11
4-4 Insulation ................................................................................................................................................... 11
4-5 Contact
Erosion and Wipe......................................................................................................................... 11
4-6
Primary Circuit Resistance ........................................................................................................................ 11
4-7 Nameplate ................................................................................................................................................. 11
4-8 Electrical
Operation Check ........................................................................................................................ 11
4-8.1
Circuit Breaker Insertion and Removal.................................................................................... 12
4-8.2 Operation
Check Performance ................................................................................................ 14
4-9 Breaker/Structure Interfacing..................................................................................................................... 14
4-9.1 Interface Interlocks .................................................................................................................. 14
4-9.2
Drawout Breaker Interfacing Check (VCP-Wind) .................................................................... 14
SECTION 5: DESCRIPTION AND OPERATION
5-1 Introduction ................................................................................................................................................ 15
5-2 Vacuum
Interrupter .................................................................................................................................... 15
5-2.1 Interrupter Assembly................................................................................................................ 15
5-2.2 Contact
Erosion ....................................................................................................................... 15
5-2.3 Loading
Spring......................................................................................................................... 16
5-2.4 Contact
Wipe and Stroke......................................................................................................... 16
5-3 Stored
Energy Mechanism ........................................................................................................................ 16