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Eaton VCP-W User Manual

Eaton VCP-W
81 pages
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Effective 07/2017
IB131006EN
Instructions for Installation, Operation and Maintenance
of Type VCP-W Vacuum Circuit Breakers
Courtesy of NationalSwitchgear.com

Table of Contents

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Eaton VCP-W Specifications

General IconGeneral
TypeVacuum Circuit Breaker
Insulation MediumVacuum
Poles3
Breaking Capacity25 kA
Operation MechanismSpring-operated
Standards ComplianceIEEE C37.09
Interrupting Capacity25 kA
Rated Voltage4.76 kV, 15 kV, 27 kV, 38 kV
Rated Current1200 A, 2000 A, 3000 A
Amperage1200 A, 2000 A, 3000 A
Voltage4.76 kV, 15 kV, 27 kV, 38 kV

Summary

Introduction to VCP-W Vacuum Circuit Breakers

Preliminary Comments and Safety Precautions

Covers general comments, warranty, liability, and safety precautions.

General Information

Provides purpose and overview of VCP-W, VCPW-SE, and VCPW-ND circuit breakers.

VCP-W Circuit Breaker Element Ratings

Details VCP-W circuit breaker element ratings based on ANSI Standards.

Outlines and Dimensions

Presents outline drawings and dimensional data for VCP-W circuit breakers.

Safe Practices for VCP-W Circuit Breakers

Recommendations for Safe Operation

Provides essential safety recommendations for handling VCP-W circuit breakers.

Receiving, Handling, and Storage Procedures

General Receiving and Handling Guidelines

Details procedures for receiving, inspecting, and handling circuit breaker elements.

Storage Recommendations

Provides guidance on proper storage conditions for circuit breaker elements.

Tools and Accessories

Lists standard and optional tools and accessories for VCP-W circuit breakers.

VCP-W Circuit Breaker Element Weights

Presents weight specifications for VCP-W circuit breaker elements.

Initial Inspection and Installation Procedures

Introduction to Inspection and Installation

Guides users through initial checks and installation of the circuit breaker.

Manual Operation Checks

Details how to perform manual operation checks on the circuit breaker.

Vacuum Interrupter Integrity

Explains how to check the integrity of the vacuum interrupters.

Insulation and Contact Checks

Covers insulation checks, contact erosion, and wipe inspection.

Primary Circuit Resistance and Nameplate

Guides on checking primary circuit resistance and nameplate compatibility.

Electrical Operation and Interfacing

Covers electrical operation checks, insertion, removal, and structure interfacing.

Description and Operation of VCP-W Circuit Breakers

Introduction to VCP-W Breaker Operation

Provides an overview of VCP-W circuit breaker design and operation.

Interrupter Assembly and Functions

Describes the vacuum interrupter assembly and its components.

Contact Erosion and Spring Indicators

Details indicators for contact erosion, loading springs, and contact wipe.

Stored Energy Mechanism Operation

Explains the stored energy mechanism, charging, closing, and tripping operations.

Control Schemes and Timing

Covers DC/AC control schemes, timing, secondary disconnects, and trip devices.

Interlocks, Levering, and Operations

Details interlocks, levering mechanism, operations counter, and switch operations.

Inspection, Maintenance, and Troubleshooting

Introduction and Inspection Frequency

Introduces inspection/maintenance and outlines frequency guidelines.

Qualified Personnel and Torque Guidelines

Defines qualified personnel and provides general torque guidelines.

Inspection and Maintenance Procedures

Details procedures for inspecting insulation, contacts, and mechanisms.

Vacuum Integrity and Lubrication

Covers vacuum interrupter integrity testing and lubrication procedures.

Contact and Insulation Maintenance

Explains maintenance for contacts, wipe, and insulation surfaces.

Resistance Checks and Mechanism Testing

Guides on primary circuit resistance checks and mechanism performance testing.

Troubleshooting and End of Life

Provides a troubleshooting chart and procedures for end-of-life handling.

Renewal Parts Information

General Renewal Parts Information

Recommends stocking spare parts and provides guidance on ordering.

Ordering Instructions for Renewal Parts

Details the process and information required for ordering renewal parts.

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