Input Connections - WEG CFW300 Manual Del Usuario

PE L1 L2 L3-UD +UD
PE U V W +BR
The 10 A model of the 200 V line can also be supplied by single-phase power lines (see
(*) The power terminals +BR / BR are available only on DB models.

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).
DANGER!
Montez un dispositif de coupure sur l'alimentation du variateur. Ce composant
déconnecte l'alimentation du variateur si cela est nécessaire (ex. pendant
l'entretien et la maintenance).
ATTENTION!
The power supply that feeds the inverter must have a solid grounded neutral.
„
The CFW300 series inverter must not be used in IT networks (neutral is not
„
grounded or grounding provided by a high ohm value resistor) or in grounded
delta networks ("delta corner grounded"), because these type of networks
damage the inverter.
Power
supply
Disconnecting
Fuses
switch
W V U
BR
Shielding
(d) Frame sizes B and C three-phase power supply
Figure 3.1: (a) to (d) Power and grounding connections
Installation and Connection
PE
L1/L
L2/N
L3
PE
Table 2.2 on page 10).
CFW300 | 17