ABB PowerValue 11/31 T Operating Manual page 22

Dual Input Feed
1. Connect the neutral cable to the neutral terminal (mains 1 and mains 2).
2. Connect the 3 pin connector provided with the UPS between terminals L1, L2 and L3.
3. Connect the phase cables accordingly.
Modifications reserved
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3 PIN for connecting
L1,L2,L3
Figure 9: 3 pin connector installation
Figure 10: Dual feed (11) wiring diagram
Terminal block cover