Power / Grounding Wiring And Fuses - WEG CFW700 Serie Manual Del Usuario

Installation and Connection
R/L1 S/L2 T/L3
(f) Frame size E with degree of protection IP55
Figura 3.1: (a) to (f) Power terminals and grounding points - frame sizes A to E

3.2.2 Power / Grounding Wiring and Fuses

ATTENTION!
Use proper cable lugs for the power and grounding connection cables.
ATTENTION!
Residual Current Device (RCD):
When installing an RCD to guard against electrical shock, only devices with
„
a trip current of 300 mA should be used on the supply side of the inverter.
Depending on the installation (motor cable length, cable type, multimotor
„
configuration, etc.), the RCD protection may be activated. Contact the RCD
manufacturer for selecting the most appropriate device to be used with
inverters.
Refer to Table B.1 on page
recommended wiring and fuses and
terminals.
NOTE!
The gauges values presented in
and Table B.3 on page 220
maximum permitted voltage drop shall be considered for the proper wiring sizing.
14 | CFW700
DC- BR DC+
Ground
218, Table B.2 on page 219
Table B.6 on page 231
Table B.1 on page
are for reference only. Installation conditions and the
W/T3
V/T2
U/T1
and Table B.3 on page 220
for the specifications of the power
218, Table B.2 on page 219
for the