Installation manual

Connecting the power cables > Static-switch cabinet > 2000 kVA
34020846EN/AE - Page 36
1. Installation
Connecting the power cables
This operation must be carried out by qualified personnel.
See “Characteristics of the connection terminals”, page 20.
1 -Check that switches Q4S (1), Q3BP (2) and Q5N (3) are in the OFF position as shown above.
2 - Connect the protective conductor (PE or PEN) to the earth bar
3 - Connect the UPS conductors in the following order: N*, L1, L2, L3
4 - Connect the AC Bypass conductors in the following order: N*, L1, L2, L3
5 - Connect the load conductors taking care to respect the following order: N*, L1, L2, L3
6 - Connect the control-wire cables ( See “Connecting the control-wire cables”, page 46.)
7 - Put the protective covers back in place.
* SLT upstream TNC, downstream TNC, TNS or TT, See “Adapting the cabinet according to the neutral point connection”,
page 26.
940
1270
N L1 L2 L3
500
Q4S
Q3BP
Q5N
L2 L3L1 N
L1 L3 N L2
OFF
OFF
OFF
UPSs
Bypass
Load
AC
Earth