Installation Guide
10 | CFW-11
ENGLISH
ELECTRICAL INSTALLATION
DANGER!
Make sure the AC power supply is disconnected
before starting the installation.
DANGER!
The following information is merely a guide for proper
installation. Comply with applicable local regulations
for electrical installations.
DANGER!
The inverter will be damaged in case the input power
supply is connected to the output terminals.
CONECTION DIAGRAMS
Notes:
Technical specifications including line fuses are on tables A .1 and A.2.
Technical specification of braking resistors and braking currents
on table A.3.
Shielding
PE
Disconnect
Switch
Fuses
R
S
T
Power
Supply
PE W V U
PE R S T U V W PE
Figure 10: Power connection diagram for sizes A, B, C, D, E, F and G
standard frames
Fuses
Direct current power supply
380-480 V models: 462 to 747 Vdc
DC- DC+
U V W
PE W V U
Shield
PE
Figure 11: Power connection diagram for sizes F and G with Special DC
Hardware
Power
supply
Thermostat
Braking
resistor
Thermal
relay
Control power
supply
Contactor
CFW-11
BR
DC+
R
S
T
Figure 12: Braking resistor connection diagram for sizes A, B, C, D and E
OPTIONAL
External
braking
module
(DBW03)
R
S
T
DC+
DC+
DC+ BR
DC-
DC-
Braking
resistor
Power
supply
Disconnect
switch
Fuses
Shield
R S T U V W
PE W V U
PE
Figure 13: Power connection diagram for sizes F and G standard with
braking resistor
Ground
R/L1 S/L2 T/L3 DC- BR DC+ U/T1 V/T2 W/T3
(a) Sizes A, B and C
Figure 14 (a): Power and grounding terminals sizes A to C
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