3 Installation
3.5 EMC installat ion
DC1…20… and DC1…OE1 Variable Frequency Drives 02/20 MN040059EN www.eaton.com 73
produced in compliance with standards applicable worldwide. In the case of
devices powered with a three-phase supply (DC1-3…), this fault current
must be monitored by an AC/DC-sensitive type B residual current device
(RCD).
3.5.3 EMC screw
FS1 to FS3 DC1 variable frequency drives with an IP20 degree of protection
feature a screw on the left side that is labeled EMC.
Figure 36: EMC screw
In the case of units with a frame size of FS4, there will be two screws
labeled EMC: one next to the main terminals and another one next to the
motor terminals.
Figure 37: Two EMC screws on devices with a frame size of FS4
PH1
M3
20 mm (0.79")
EMC
EMC
L3
L2/N
L1/L
1
2
3
4
5
6
7
8
9
1
0
11
U
D
C+
E
MC
B
R
D
C-
V
W
L1
EMC
L2
L3
DC+
BR
DC-
EMC
L1
L3
L2
WVU
EMC
PH2
M4
10 mm 2 x
≧ 40 mm (≧ 1.57")
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