Power / Grounding Wiring And Fuses - WEG CFW701 User Manual

R/L1 S/L2 T/L3
(f) Frame size E with degree of protection IP55 and
disconnect switch
Figure 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
the recommended wiring and fuses and
power terminals.
NOTE!
The gauges values presented in
152 and Table B.3 on page 153
and the maximum permitted voltage drop shall be considered for the proper
wiring sizing.
DC- BR DC+
Ground
151, Table B.2 on page 152
Table B.6 on page 165
Table B.1 on page
are for reference only. Installation conditions
Installation and Connection
W/T3
V/T2
U/T1
and Table B.3 on page 153
for the specifications of the
151, Table B.2 on page
for
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