A.5.5 Definitions - AOIP CALYS 50 Mode D'emploi

A.5.5 Definitions
A.5.5.1 Definition of the installation category
This is also known as the overvoltage category.
It is the classification of the installation according to standard limits for transient overvoltages (standard CEI 664).
A.5.5.2 Table of symbols used
Symbol Description
Warning: see accompanying documents
Earth point
Complies with European Union directives
CAT II Pol 2
Category II, Pollution 2.
60V
Maximum common mode voltage compared with the ground = 60 V
Do not discard. See chapter Used devices (see section A.3.3)
Do not discard. See chapter Used devices (see section A.3.3)
A
Safety
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