Gtec SATURN, Installation And Use Manual

Page: 72 / 294

72
C
ROSS SECTION OF THE CABLES
We recommend that the INPUT/OUTPUT and the BATTERY cables pass under the UPS.
As for the dimensioning of the cross section of the input and output cables, please refer to the following table:
Cross section of cables (mm
2
) *
INPUT
mains /
separate bypass (optional)
OUTPUT EXTERNAL BATTERY ** (optional)
kVA PE L1/L2/L3 N PE L1/L2/L3 N PE +/- N
30 16 35 35 16 35 35 16 16 16
40 25 50 50 25 50 50 16 25 25
* The cross sections shown in this table refer to a maximum length of 10 metres
** The maximum length of the cables for connection to the optional Battery Box is 3 metres
Note: the maximum cross section of the cables that can be inserted in the terminal board is:

50 mm
2
for ground terminals

70 mm
2
per other terminals
C
ONNECTIONS
The very first connection to be carried out is that of the protection conductor (earth cable), which must be
connected to the terminal marked PE. The UPS must not operate without being connected to an earthing
system
THE INPUT NEUTRAL MUST ALWAYS BE CONNECTED
Note: Connections to the BATTERY module are required only when the Battery Box is present
(see paragraph " Connecting the UPS to the Battery Box (optional) ")
I
NTERNAL TRANSFORMERS VIEW