Power / Grounding Wiring And Fuses - WEG CFW701 Manual Del Usuario

R/L1 S/L2 T/L3 DC-
Ground
(f) Frame size E with degree of protection IP55
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.
Refer to Table B.1 on page
the recommended wiring and fuses and
power terminals.
NOTE!
The gauges values presented in
149 and Table B.3 on page 150
and the maximum permitted voltage drop shall be considered for the proper
wiring sizing.
Input fuses
The fuses to be used at the input must be HS (High-Speed) type with I
„
value indicated in the
page 150 (consider extinction current value in cold situation (it is not the fusion value)), to
protect the inverter diode rectifiers and input wiring.
BR DC+ U/T1 V/T2 W/T3
Ground
148, Table B.2 on page 149
Table B.5 on page 160
Table B.1 on page
are for reference only. Installation conditions
Table B.1 on page 148,
Installation and Connection
and Table B.3 on page 150
for the specifications of the
148, Table B.2 on page
Table B.2 on page 149
for
t equal or lower the
2
and Table B.3 on
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