EM330D User Manual
A Special Purpose Inverter for Hoisting
23
MCCB
Signal Line
30cm MIN
Metal Pipe
Control
Device
EM330D
Inverter
IM
Figure 3-8 Countermeasures against Inductive Interference
Countermeasures Against Radio Frequency Interference (RFI)
RFI will be generated from the inverter as well as the input cable and the output cable.
Install noise filters on both input and output sides, and shield inverter with an iron
case to reduce RFI. As shown in Figure 3-9.
MCCB
Noise
Filter
EM330D
Inverter
IM
Iron Case
Metal Pipe
Noise
Filter
Figure 3-9 Countermeasures Against RFI
3.2.6
Main Circuit Cable and Terminal Screw Size
Table 3-3 Main Circuit Cable and Terminal Screw Specifications
Model No.
of Inverter
Terminals
Terminal
Screw
Tightening
Torque(N.m)
Cable Size
(mm
2
)
Cable
Type
EM330D-3R0-3B
，
,R,S,T,U,V,W,PB,
M3.5
1.2
～
1.5
4
750V
EM330D-4R0-3B
M3.5
1.2
～
1.5
4
EM330D-5R5-3B
M4
1.5
～
2.0
6
EM330D-7R5-3B
M4
1.5
～
2.0
6
EM330D-9R0-3B
M5
3.0
～
4.0
6
EM330D-011-3B
M5
3.0
～
4.0
10
EM330D-015-3B
M5
3.0
～
4.0
10
EM330D-018-3X
No integrated braking unit
，
,U,V,W,
R,S,T,
M6
4.0
～
5.0
16
EM330D-022-3X
M6
4.0
～
5.0
16
EM330D-030-3X
M6
4.0
～
5.0
25
EM330D-037-3X
M8
9.0
～
10.0
25
EM330D-045-3X
M8
9.0
～
10.0
35
EM330D-055-3X
M10
17.0
～
22.0
35
EM330D-075-3X
M10
17.0
～
22.0
60
EM330D-090-3
M10
17.0
～
22.0
60
