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I.
Introduction
This publication contains the information needed to install medium voltage VD4 circuit-breakers
and put them into service.
For correct use of the product, please read it carefully.
Like all the apparatus we manufacture, the VD4 circuit-breakers are designed for different installa-
tion configurations.
However, these pieces of apparatus do allow further technical and construction modifications (at
the customer's request) to adapt to special installation requirements.
Consequently, the information given below may sometimes not contain instructions concerning
special configurations.
Apart from this manual, it is therefore always necessary to consult the latest technical documentation
(circuit and wiring diagrams, assembly and installation drawings, any protection coordination studies,
etc.), especially regarding any variants requested in relation to the standardised configurations.
Only use original spare parts for maintenance operations.
For further information, please also see the technical catalogue of the circuit-breaker and the spare
parts catalogue.
All the installation, putting into service, running and maintenance operations must be
!
carried out by suitably qualified personnel with in-depth knowledge of the apparatus.
II.
Environmental protection programme
The VD4 circuit-breakers are manufactured in accordance with the ISO 14000 Standards (Guide-
lines for environmental management).
The production processes are carried out in compliance with the Standards for environmental pro-
tection in terms of reduction in energy consumption as well as in raw materials and production of
waste materials. All this is thanks to the medium voltage apparatus manufacturing facility environ-
mental management system.
All manuals and user guides at all-guides.com
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