Siemens SICHARGE D Operating Instructions Manual page 75
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Also See for SICHARGE D:
- Product information (93 pages) ,
- Operating instructions manual (32 pages) ,
- Commissioning manual (30 pages)
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Electrical installation
The charging station is designed for connection to the low-voltage supply system
(230/400 V AC, 3 ph., clockwise phase sequence). Comply with local standards and
installation regulations for the connection to the distribution system.
The free Siemens SIMARIS design software supports you in planning and dimensioning the
connection, including the dimensioning of the connecting cables Planning
(https://new.siemens.com/global/en/products/energy/medium-voltage/simaris/simaris-
design.html).
Connecting cable
Use only insulated cables approved for the operating voltages. Select the cable cross-sections
according to the rated current, cable length, and permissible voltage drop. If you want to
upgrade the charging power in the future, then take into account the higher rated current.
We recommend fine-stranded or flexible cables. The maximum cable cross-section is
2 x 185 mm² or 1 x 300 mm² per conductor. Siemens recommends use of copper wires. If you
use aluminum cables, then special cable lugs may be required.
The following table shows the maximum current consumption of the charging station per
phase at 400 V nominal voltage with AC charging and without AC charging.
Table 5-2 Maximum current consumption of the charging station at 400 V nominal voltage per phase
Installed DC power
160 kW
180 kW
200 kW
220 kW
240 kW
260 kW
280 kW
300 kW
System ground electrode
Install a system ground electrode in accordance with local standards and regulations.
According to VDE 4100, you must run the charging station with a system ground electrode.
The system ground electrode is not part of the scope of delivery. The system ground
electrode fulfills the following functions:
• Protective equipotential bonding
• Functional equipotential bonding
• Grounding of the lightning protection system and the surge protection devices.
Follow the instructions and regulations from DIN 18014 when planning and installing the
system ground electrode. Also observe the technical connection conditions of your grid
operator.
For installation in a public area, the system grounding electrode must be implemented as a
ring ground electrode outside the foundation. In private or semi-public areas, it can
alternatively be implemented as a ground rod.
SICHARGE D
Operating Instructions, 11/2023, A5E50556539-AG
Imax without AC charging
269 A
300 A
330 A
361 A
391 A
422 A
452 A
483 A
Installation and mounting
5.2 Installation location
Imax with AC charging
301 A
332 A
362 A
393 A
423 A
454 A
484 A
515 A
75
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