ABB Vmax 12 User Manual

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DISTRIBUTION SOLUTIONS
Vmax
Installation and service instructions
12 ... 17.5 kV - 630 ... 1250 A - 16 ... 31.5 kA
Index
I. Introduction 2
II. Programme for environmental protection 2
III. Application of the standards for X-ray
emission 3
1. Packing and transport 4
2. Checking on receipt 5
3. Storage 6
4. Handling 7
5. Description 8
6. Instructions for operation of the circuit
breaker 17
7. Installation 19
8. Putting into service 29
9. Maintenance 31
10. Spare parts and accessories 34
• Make sure that the installation room (spaces,
divisions and ambient) is suitable for the electrical
apparatus.
• Check that all the installation, putting into service
and maintenance operations are carried out by
qualified personnel with suitable knowledge of the
apparatus.
• Make sure that the standard and legal
prescriptions are complied with during
installation, putting into service and maintenance,
so that installations according to the rules of good
working practice and safety in the work place are
constructed.
• Strictly follow the information given in this
instruction manual.
Responsible behaviour safeguards
your own and others’ safety!
For any requests, please contact the
ABB Assistance Service.
—
For your safety!
• Check that the rated performance of the
apparatus is not exceeded during service.
• Check that the personnel operating the apparatus
have this instruction manual to hand as well as the
necessary information for correct intervention.
• Pay special attention to the danger notes
indicated in the manual by the following symbol:

ABB Vmax 12 Specifications

General

Rated Voltage	12 kV
Rated Frequency	50/60 Hz
Mechanical Life	10000 operations
Protection Degree	IP4X
Rated Continuous Current	1250 A
Rated Current	1250 A

Summary

For Your Safety!

Introduction

Environmental Protection Programme

Details Vmax circuit breakers' manufacturing in accordance with ISO 14000 standards.

X-ray Emission Standards Application

Packing and Transport

Checking on Receipt

Storage Guidelines

Handling the Circuit Breaker

Vmax Circuit Breaker Description

General Description

Overview of Vmax circuit breakers as indoor vacuum apparatus.

Reference Standards

Lists the standards to which Vmax circuit breakers conform.

Fixed Circuit Breaker Details

Describes the basic fixed version, its structure, and fixing holes.

General Characteristics of Fixed Circuit Breakers

Technical specifications for fixed Vmax circuit breakers.

Standard Fittings for Fixed Circuit Breakers

Lists standard components and features of fixed circuit breakers.

Withdrawable Circuit Breaker Description

Details on withdrawable circuit breakers for specific switchgear types.

General Characteristics of Withdrawable Circuit Breakers

Technical specifications for withdrawable Vmax circuit breakers.

Standard Fittings for Withdrawable Circuit Breakers

Lists standard components and features of withdrawable circuit breakers.

Characteristics of Electrical Accessories

Details on the electrical accessories like releases and locking magnets.

Circuit Breaker Operation Instructions

Safety Indications for Operation

Warnings and precautions for operating the circuit breaker.

Operating and Signalling Parts

Identifies and explains the operating and signalling components.

Circuit Breaker Closing and Opening Operations

Procedures for manual and electrical closing and opening operations.

Installation Procedures

General Installation Guidelines

Primary importance of correct installation and following manufacturer instructions.

Installation and Service Conditions

Environmental and standard requirements for installation.

Preliminary Operations

Initial steps before installing the circuit breaker.

Fixed Circuit Breaker Installation

Specific instructions for installing fixed circuit breakers.

Withdrawable Circuit Breakers with Third-Party Trucks

Installation notes for withdrawable breakers on customer-supplied trucks.

Withdrawable Circuit Breakers with ABB Truck

Installation details for withdrawable breakers with ABB trucks.

Power Circuit Connections for Fixed Circuit Breakers

Procedures for connecting power circuits to fixed circuit breakers.

Earthing Procedures

Instructions for correctly earthing the fixed version circuit breaker.

Auxiliary Circuit Connections

Guidelines for connecting auxiliary circuits for fixed and withdrawable breakers.

Overall Dimensions for Fixed Circuit Breakers

Diagrams showing the overall dimensions of fixed Vmax circuit breakers.

Overall Dimensions for Fixed Circuit Breakers for UniGear 500R

Diagrams showing dimensions for Vmax/F breakers for UniGear 500R.

Overall Dimensions for Fixed Circuit Breakers for UniGear 500R (1600-2000A)

Diagrams showing dimensions for Vmax/F breakers (1600-2000A).

Overall Dimensions for Withdrawable Circuit Breakers for UniGear 550

Diagrams showing dimensions for Vmax/L breakers for UniGear 550.

Overall Dimensions for Withdrawable Circuit Breakers for PowerCube and UniSec

Diagrams showing dimensions for Vmax/W and Vmax/SEC breakers.

Putting into Service

General Procedures for Commissioning

Essential checks and operations before putting the circuit breaker into service.

Maintenance

General Maintenance Overview

General principles and life expectancy of Vmax circuit breakers.

Inspections and Functional Tests

Regular checks to verify the condition of interruption devices and components.

Stored Energy Operating Mechanism Test

Functional test for the operating mechanism every 5,000 operations or 4 years.

Servicing Procedures

Detailed servicing steps for interruption devices, actuator, and vacuum interrupters.

Lubrication and Interlock Checks

Visual inspection of lubrication and mechanical operation of devices.

Repairs and Replacements

Guidelines for replacing spare parts and accessories by authorized personnel.

Spare Parts and Accessories

List of Spare Parts and Accessories

Comprehensive list of available spare parts for Vmax circuit breakers.