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Westinghouse VCP Series User Manual
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Instructions
for
Type
VCP
Vacuum
Circuit
Breakers
READ
AND
UNDERSTAND
THESE
INSTRUCTIONS
BEFORE
ATTEMPTING
ANY
UNPACKING,
ASSEMBLY,
OPERATION
OR
MAINTENANCE
OF
THE
CIRCUIT
BREAKERS
Westinghouse
Electrlc
Corporation
Switchgear
Division,
East
Pittsburgh,
Pa.
15112
LB
.
3
2-25
4-1
B
Effective
June,
1985
Supersedes
I.B.
32-254-lA
dated
December,
1983
•
Courtesy of NationalSwitchgear.com
2
Table of Contents
Table of Contents
3
Introductlon
5
Recommended Safe Practices
6
Receiving, Handling and Storage
7
Receiving
7
Handling
8
Storage
8
Installation
10
Initial Breaker and Compartment Preparation
10
Manual Breaker Operation
11
Vacuum Interrupter Integrity Check
12
Contact Wear Gap Check
12
Primary Circuit Resistance Check
12
Electrical Operation Check
12
Breaker/Compartment Interface Check
12
Description and Operation
14
Interrupter Assembly
14
Vacuum Interrupter
14
Contact Wear Gap Indication
14
Mecllanism GENERAL
15
Operation of Stored Energy Mechanism
15
Interlocks
19
Breaker Compartment Code Plates
19
Anti-Close Interlock
19
Floor Tripping and Spring Release Interlocks
19
Levering Interlock
19
Interphase Barrier Interlock
19
Control Schemes
19
Undervoltage Trip Device
20
Secondary Disconnect
22
Ground Contact
22
MOC and TOC Switch Operators
22
Interphase Barrier
22
Levering Device
23
Maintenance
25
General
25
Vacuum Interrupter Integrity Test
25
Contact Erosion
26
Insulation General
26
Insulation Integrity Check
27
Primary Circuit Resistance Check
27
Mechanism Check
27
Lubrication
27
Renewal Parts
28
Recommended Parts
28
Ordering Instructions
28
4
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Westinghouse VCP Series Specifications
General
Brand
Westinghouse
Model
VCP Series
Category
Circuit breakers
Language
English
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