Installation And Connection; Power Connections; Input Connections - WEG CFW500 Serie Manual Del Usuario

3.2.3 Power Connections

R
S
T
Input
Disconnecting
Power Switch
Supply
The power terminals -Ud, BR and +Ud are not available in models of frame A.
(*)

3.2.3.1 Input Connections

DANGER!
Provide a disconnect device for the inverter power supply. This device
must cut off the power supply whenever necessary (during maintenance
for instance).
ATTENTION!
The power supply that feeds the inverter must have a grounded
neutral. In case of IT networks, follow the instructions described in
item 3.2.3.3 IT
NOTE!
The input power supply voltage must be compatible with the inverter
„
rated voltage.
Power factor correction capacitors are not needed at the inverter input
„
(L/L1, N/L2, L3 or R, S, T) and must not be installed at the output (U, V, W).
R S T -Ud
PE
PE
Fuses
Figure 3.1: Power and grounding connections
Networks.
- English -

Installation and Connection

BR +Ud U V W
PE
(*)
Shield
PE U V W
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