Mains Connection - AEG Protect D Series User Manual

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It is recommended that an external isolating device should be installed
between the mains input and UPS as shown in next figure.
AC Contactor:
208-240V, 63A (Protect D 6000 LCD)
208-240V, 100A (Protect D 10000 LCD)

4.3 Mains connection

Earth connection is essential before connecting supply.
Common input/output sources connection.
This type of connection must be carried out by qualified electrical
personnel.
Before carrying out any connection, check that the upstream protection
devices (for Normal and Bypass AC sources) are open "O" (Off).
Always connect the ground wire first!