Cutler-Hammer W-VAC Instructions For Installation, Operation And Maintenance - Page 3

Browse online or download pdf Instructions For Installation, Operation And Maintenance for Circuit breakers Cutler-Hammer W-VAC. Cutler-Hammer W-VAC 20 pages. Vacuum circuit breaker

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CUTLER-HAMMER 24kV Type W-VAC Circuit Breaker
SECTION 1:
INTRODUCTION
1-1
1-2
1-3
1-4
SECTION 2:
2-1
SECTION 3:
3-1
3-2
3-3
3-4
3-5
3-6
SECTION 4:
INITIAL INSPECTION AND INSTALLATION
4-1
Introduction
4-2
Manual Operation Check
4-3
Vacuum Interrupter Integrity
4-4
Insulation
4-5
Contact Erosion and Wipe
4-6
Primary Circuit Resistance
4-7
Nameplate
4-8
Electrical Operation Check
4-8.1 Circuit Breaker Insertion and Removal
4-8.2 Operation Check Performance
4-9
Breaker / Structure Interfacing
4-9.1 Interface Interlocks
4-9.2 Interfacing Check
SECTION 5:
DESCRIPTION AND OPERATION
5-1
Introduction
5-2
Interrupter Assembly
5-2.1 Vacuum Interrupter
5-2.2 Contact Erosion Indicator
5-2.3 Loading Spring Indicator
5-2.4 Contact Wipe Stroke
5-2.5 Primary Disconnects
5-3
Stored Energy Mechanism
5-3.1 Operation of Stored Energy Mechanism
5-3.2 Charging
5-3.3 Closing Operation
5-3.4 Tripping Operation
Effective 12/98

TABLE OF CONTENTS

I.B. 8801C71H01
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