Siemens SICHARGE UC 150 Operating Instructions Manual page 56

Connecting the auxiliary power supply
To connect the L and N cables of the auxiliary power supply, follow these steps:
1. Strip the insulation from the end of the conductor so that the remaining insulation
extends up to the ferrule.
2. Properly attach the wire end ferrule to the conductor end.
3. Connect the L conductor of the cable to the "-QDP:2" terminal.
4. Connect the N conductor of the cable to the "-QDP:4" terminal.
5. Make sure that the conductors are firmly connected to the screw terminal connections.
You can find the terminal designations and the connection plan in the circuit diagram and
here (Page 91).
SICHARGE UC 150
Operating Instructions, 10/2022, A5E50068475-AB
6.6 Connecting the auxiliary power supply
Connecting
57