U
变Inv频ert器er V
W
Inverter Wiring 10
电M动oto机r
M
阻RC容a吸bso收rb装er 置
Figure 3-1 Forbidding connecting a RC absorber at the output terminal
3.2 Wiring of peripheral elements
Bra制ki动ng电r阻esistor
ACAsuCp电Ppoly源wer
PP
R/L1
PB
U
S/L2
T
Air switch Contactor AC reactor
空气开关 接触器 AC 电抗器
E550
! WARNING
1.R efer to the instructi on manual be fore ins ta llation
a nd ope rati on.
2.D o not conne ct AC pow er to output termina lsU VW.
3.D o not remove a ny cove r w hil e appl ying power
a nd at le as t1 0min. af te r dis conne cting pow er.
4.Se curel y gr ound(e arth) the equi pme nt.
E550
Figure 3-2 Inverter Wiring
V
W
Mo电to机r
‹ Power supply
The inverter shall be provided with power in accordance with specification
of input power supply designated by this operating manual
‹ Air switch
1) When the frequency inverter is maintained or not in use for a long time,
2) the air switch will separate the frequency inverter from the power supply;
3) When the input side of the frequency inverter has failures like short
circuit, the air switch can provide protection.
‹ Contactor
E550 Series Universal Low-Power Inverter
    "