46 Installation Instructions MB-Secure 1000/2000/3000/4000/5000/6000
7.10 Connection to power supply / charger unit 013970
Protective earthing
When the power supply unit 013970 is mounted in a metal housing, a conductive connection must be
established between the protective earth connection (E) of the power supply unit and the housing.
The main connection of the protective conductor must be installed at the correspondingly marked
terminal.
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