Page 38
Intepro Systems
www.inteproate.com
PS 9000 3U Series
2.3.4 Connection to AC supply
•
Connection to an AC mains supply may only be carried out by qualified personnel!
•
Cable cross section must be suitable for the maximum input current of the device (see table
below)!
•
Before plugging in the input plug ensure that the device is switched off by its mains switch!
2.3.4.1
Models for 400 V
The device is delivered with a 5 pole AC plug. Depending on model, the plug is connected to a 2-phase or 3-phase
AC supply, according to the labeling on the plug. Required
are following phases:
Nominal power
Phases
Supply type
3.3 kw / 5 kW
L2, L3, PE
Two-phase
6.6 kW / 10 kW
L1, L2, L3, PE
Three-phase
≥15 kW
L1, L2, L3, PE
Three-phase
The PE conductor is imperative and must always be wired!
For the selection of a suitable cable
cross section
the rated AC current of the device and the cable length are
decisive. Based on the connection of
one single unit
the table lists the maximum input current and recommended
minimum cross section for each phase:
L1
L2
L3
PE
Nominal power
ø
I
max
ø
I
max
ø
I
max
ø
3.3 kW
-
-
2,5 mm²
11 A
2,5 mm²
11 A
2.5 mm²
5 kW
-
-
2,5 mm²
16 A
2,5 mm²
16 A
2.5 mm²
6.6 kW
2,5 mm²
19 A
2,5 mm²
11 A
2,5 mm²
11 A
2.5 mm²
10 kW (except 40 V models)
4 mm²
28 A
4 mm²
16 A
4 mm²
16 A
4 mm²
10 kW (40 V models)
4 mm²
19 A
4 mm²
19 A
4 mm²
19 A
2.5 mm²
15 kW
4 mm²
28 A
4 mm²
28 A
4 mm²
28 A
4 mm²
The included connection plug can receive crimped cable ends of up to 6 mm². The longer the connection cable,
the higher the voltage loss due to the cable resistance. Therefore the mains cables should be kept as short as
possible or use bigger cross section.
Figure 7 - Example for a mains cable (cable not included in delivery)