54
Device installation and connection
Gewiss
7.2.2. Connection of the device power supply
Wiring requirements
The connection must satisfy certain requisites:
Connection specifications
Type of connection
Single-phase
Three-phase
Number of wires
2P+E
3P+N+E
Rated current
up to 64A
up to 64A
Maximum wire diameter
1 x 70mm2 (2 x 35mm2)
NB: the in-out connection can be made for a maximum of 2 columns connected in series.
Connection procedure
1.
The charging station is wired by connecting a single-phase or three-phase cable inserted in the cable gland. The appropriate cable
glands are M50, M40, M32 for the power cables (highlighted in yellow), and M16 for the data cables (highlighted in red).
Depending on the charging unit version, the cable glands and caps supplied are as follows:
Version
Cable glands supplied
Caps supplied
Single-phase 7.4 kW
M40
M32, M50
Three-phase 11 kW
M32
M40, M50
Three-phase 22 kW
M40
M32, M50
2.
Connect the power supply cables L, N, PE and bring the residual current protection devices and miniature circuit breakers to
the ON position (marked with the dark colour in the figure below).
PE
T N
R S
R, S: R, S phases
N: Neutral
PE: Earth
PE
T N
R S
R, S, T: R, S, T phases
N: Neutral
PE: Earth
Single-phase charging station
As you can see in the picture above, the single-phase versions are fitted with a three-phase switch disconnector for connecting a three-
phase line. If the incoming line is single-phase, a U-bolt must be created between the R phase and the S phase.
7.55.4.502.0 - Installation and Operation Manual
