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Depending on the installation location, ensure that the foundation depth is sufficient to
guarantee frost-free conditions. Also observe the maximum permissible bending radii of the
connecting cables you are using. Lay communication, control and auxiliary cables separately
and protected from the power cables. To avoid electromagnetic interfaces, a minimum
clearance of 25 cm is recommended. Avoid routing the cables parallel to the power cables.
Route the cables orthogonal to the electric power cables. Observe the country-specific
regulations.
Connecting cables
Only use sufficiently insulated cables for the operating voltages. Select the cable cross-
sections according to the rated current, cable length, and permissible voltage drop. We
recommend fine-stranded or superfine-stranded cables. Refer to the table below for the
maximum cross-section.
Table 5-1 Connecting cables
Cable
DC+ charging point A
DC- charging point A
DC+ charging point B
DC- charging point B
Equipotential bonding PE
Auxiliary power supply
Signal cables (shielded)
Communication cable
System ground
Implement the dispenser with a system ground. The system ground fulfills the following
functions:
• Protective equipotential bonding
• Functional equipotential bonding
• Grounding of the lightning protection system and the overvoltage protection devices.
Follow the instructions and regulations from DIN 18014 when planning and installing the
system grounding electrode. Also observe the technical connection conditions of your grid
operator.
For installation in a public area, the system grounding electrode must be designed as a ring
ground electrode outside the foundation. In private or semi-public areas, it can alternatively
be implemented as a ground rod.
Dispenser
Operating Instructions, 10/2023, A5E52758387-AB
Voltage
Current
150 ... 1000 V DC
500 A
150 ... 1000 V DC
500 A
150 ... 1000 V DC
500 A
150 ... 1000 V DC
500 A
-
230 V AC
DC
-
Installation and mounting
5.3 Base area
Cross-section per con
ductor
Min. 185 mm²
Min. 185 mm²
Min. 185 mm²
Min. 185 mm²
Min. 95 mm²
Min. 3x 4 mm²
2
Max. 7x 2.5 mm
Cat 6
43
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