Introduction; General System Description; Using The User Manual; Target Group - Eaton Magnefix MD4 User Manual

1. INTRODUCTION

1.1 General system description

Magnefix switchgear is intended for building compact
switchgear and distribution systems in a medium-voltage
system. This switchgear can be used:

in compact transformer substations in a ring cable
system, decentralised transformer arrangements,
customer connections;

for feeding large buildings;

on the storeys of buildings;

in railway signalling and protection systems.
In distribution panels, Magnefix switchgear is used as cable
disconnector, busbar disconnector and tie circuit breaker.
Magnefix switchgear with a protected panel is used for
protected connections of additional ring cable connectors in
distributions networks and for protected connections of
distribution transformers having powers exceeding
1000 kVA.

1.2 Using the user manual

1.2.1

Target group

The switchgear is designed for use by personnel who are
expert or adequately trained in using switchgear and/or
carrying out electrical operations.
For definitions of these terms, see Chapter 8 – Glossary.
1.2.2

Structure of the user manual

The manual contains 9 chapters.
Chapters 1 and 2 contain general information on the
system (design and construction) and the manual, and
general safety aspects. The information is presented in the
form of descriptive texts, supported by illustrations as
necessary. Illustrations are numbered consecutively for
each chapter, and are captioned if necessary.
Chapters 3 to 7 consist mainly of procedures. These
procedures contain step-by-step descriptions of actions in
the order in which they should be carried out. Illustrations
are on the same page as the relevant step and have the
same number.
W
ARNING
Never take any action without knowing what effect
it will have.
R
EMARK
Read through all actions first, using the relevant
figures. Contact Eaton if you do not understand
what you have to do.
Further information regarding chapters 3 to 7 is given
below.
Chapter 3 – Switchgear set-up
The manual assumes that the switchgear is being
assembled and connected by the user . It also describes
the requirements for the switchroom. This chapter also
includes the procedures for connecting cables.
Chapter 4 – Switchgear set-up
This chapter is aimed at the operator who is expected to
operate and monitor the system independently. For that
reason, these activities are described in detail.
Switchgear commissioning and decommissioning
Chapter 5.1 sets out the actions required before the system
can be commissioned.
Chapter 5.2 deals with decommissioning the system. It also
includes recommendations for the safe disposal of the
system or parts of the system.
Chapter 6 - Inspection, maintenance and repair of
the switchgear
This chapter describes only those operations that may be
carried out by the user.
N
OTE
Operations not included in the manual must be
carried out by or under the supervision of Eaton.
Magnefix MD4
991.184 G01 03 7