
Low voltage-fused-switch disconnector system 403 Introduction
B843
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1 Introduction
Thank you for choosing one of our products. We hope it gives you many hours of successful and pro-
blem-free operation.
The low-voltage-fused switch disconnector system 403
has been specially designed and manufactu-
red to meet your requirements.
Do you have any questions you would like to ask us? We look forward to hearing from you.
1.1 Notes on this manual
1.1.1 General note
This operating and maintenance manual contains all information and descriptions required to operate
the Earthing switch. This document was created with the utmost care. Any suggestions or comments
would be gratefully received.
To make the instructions in this manual easier to follow, the descriptions are accompanied by figures
and schematic diagrams of the switching device or its assemblies.
1.1.2 Use of symbols / legend
The following symbols are used in this manual in addition to the warning notices outlined in the chapter
Safety:
WARNING:
Warns of danger to people. Failure to comply with the warning indicated
by this symbol will result in severe injuries.
Warns against damage to property and personal injury caused by mechanical com
ponents. Failure to comply with the indications marked with this symbol will result in
serious injuries.
Warns against damage to property and personal injury caused by electrical voltage or
arc. Failure to comply with the indications marked with this symbol will result in serious
injuries.
Caution:
Failure to comply with the warning indicated by this symbol could result in
injuries.
Attention:
Warns of possible material damageor malfunctions. Technical information
requiring particular attention.