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WARNING
Before beginning work, please ensure that cables are disconnected and that
power is turned off.
In order to simplify assembly and to avoid deformation of the connector unit,
secure in and output cables only with separate connection units. Use only highly
flexible fine-stranded cables. Connect the connector firstly to the UPS.
High touch voltages can occur with freely accessible metal parts. Protective
measures against earthing can be made through the grounding of the Protect D.
via the designated (n) grounding screw(s) ( / PE). Prior to commissioning, please
ensure that Protect D. and it optional battery tray contents are compliant with
regulations, e.g. VDE0100 is earthed. To do this, connect the terminals “ / PE”
(Earth) to the grounding point of the cabinet frame.
Before beginning connection work, ensure that:
• The values of the mains voltage (supply) and frequency match those on the label
of the UPS,
• The ground connection prescribed by IEC standards or regulations is consistent
with local standards and regulations,
• The UPS is connected to the mains supply via a separate connection with the
cable secured for low voltage distribution,
• Fuses or circuit breakers are used to match the values specified in chapter 6.2
• The connecting line from the fuse to the UPS with a minimum cross section
according to chapter 6.2 “Connection cross section and fuses”
6. ELECTRICAL CONNECTION