Protection Degree according to IEC 60529
For the equipment IP20
For personal protection
IP2x
2
1.9
2
To meet IP2x on Terminal B, additional measures have to be taken. After installation of the cables, the terminal has to be properly
covered using an insulating material to avoid direct contact to the screws (e.g. using the self-adhesive tape Terosat 2750 by Henkel);
otherwise the device has to be considered IP1x.
7XR81 – Coupling Device for Rotor Ground-Fault Protection
1.9 Protection Degree according to IEC 60529
SIPROTEC, Coupling Units for Generator Protection, Manual 23
C53000-H5040-C072-1, Edition 09.2018
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