ABB PowerValue 11/31 T Operating Manual page 23

Three phase input – single phase output (31)
Single Input Feed
1. Connect the neutral cable to the neutral terminal (main 2). Note that the mains neutral is connected
internally in the UPS. For this, there is no need to connect the neutral cable to the mains 1 terminal.
2. Connect the 2 pin connector provided with the UPS between terminal L3 and M2.
3. Connect the phase cables to the corresponding terminals.
Dual Input Feed
1. Connect the neutral cable to the neutral terminal (main 2). Note that the mains neutral is connected
internally in the UPS. Isolate the neutral cable of mains 1.
2. Connect the phase cables to L1, L2, L3 and M2.
Modifications reserved
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Figure 11: 2 pin connector installation
Figure 12: Single feed (31) wiring diagram