ABB Vmax User Manual

Medium voltage products
Vmax
Medium voltage vacuum circuit-breaker
ANSI: ... 15 kV; ... 1200 A; ... 31.5 kA
For your safety! 1
1. Foreword 2
1.1. Introdution 2
1.2. Environmental protection programme 2
1.3. Vacuum interrupter quenching principle 2
1.4. Information on this booklet 3
1.5. Drawout 3
1.6. Standard fixed 3
1.7. Application of the X-ray emission Standards 3
2. Introduction and safe practices 4
2.1. Introduction 4
2.2. Safe practices 4
2.3. Standard and regulations 5
3. Reveiving, handling, and storage 6
3.1. Receiving 6
3.2. Handling 7
3.3. Storage 8
4. Description 9
4.1. General 9
4.2. Reference Standards 9
4.3. Fixed circuit-breaker 9
4.4. Characteristics of the electrical accessories 13
4.5. Preliminary operations 14
4.6. Putting into service 18
4.7. Standard fittings for circuit-breaker 27
5. Operation, installation and maintenance 28
5.1. Interlocks 28
5.2. Maintenance 30
5.3. Truck 35
6. Servicing 38
6.1. Interruption devices in general 38
6.2. Actuator and transmission system 38
6.3. Servicing details 38
6.4. Vacuum interrupters 38
7. Spare parts and accessories 39
7.1. List of spare parts 39
8. Overall dimensions 40
9. Electric circuit diagram 42
10. Product quality and environmental protection 48

ABB Vmax Specifications

General

Frequency	50/60 Hz
Mechanical Endurance	10, 000 operations
Standards	IEC 62271-100
Insulation	Vacuum
Application	Medium voltage power distribution
Operating Mechanism	Spring-operated
Rated Voltage	Up to 17.5 kV

Summary

For Your Safety!

Safety Guidelines

Essential safety practices for personnel to prevent injury and ensure safe operation.

Introduction and Safe Practices

2.2. Safe Practices

Lists essential safety recommendations for personnel working with circuit-breakers.

Receiving, Handling, and Storage

3.2. Handling

Description

4.3. Circuit-Breaker Types

Details fixed and withdrawable circuit-breaker types and their characteristics.

4.4. Electrical Accessories

4.5. Installation and Preliminary Operations

Covers preliminary checks, installation steps, connections, and operating parts.

4.6. Putting into Service

Outlines general procedures and specific steps for putting the circuit-breaker into service.

Operation, Installation and Maintenance

5.1. Interlocks

Explains interlocks for preventing incorrect operations and malfunctions.

5.2. Maintenance Procedures

Covers general maintenance, mechanism checks, operating life, and inspections.

5.3. Truck and Wiring Tests

Details truck inspection, lubrication, control wiring, and primary circuit testing.

Servicing

6.1. Interruption Devices

6.2. Actuator and Transmission System

6.4. Vacuum Interrupters

Electric Circuit Diagram