NGPS – User’s Manual
35
2.4
AC Input Power Connection
Connection of this power supply to an AC power source
should be made by electrician or other qualified personnel.
Do not exceed the torque specified on input stud terminals
(0.8 Nm).
There is a potential shock hazard if the power supply chassis
(with cover in place) is not connected to an electrical safety
ground via the safety ground in the AC input stud terminals.
The three-phase input connector on the rear panel is a Phoenix Contact 1777749
(PC 5/4-ST1) connector. The three-phase ground has to be connected on the bottom
terminal, as shown in
. The phases can be connected to any of the three upper
phase terminals (the connection order of the phases is not defined).
Tightening torque shall be between 0.5 to 0.8 Nm.
Perform all these operation with the cables and the power
supply disconnected from the AC mains.
Figure 15
: Three-phase input connector
CAUTION
WARNING
WARNING
