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12 | CFW501
Installation and Connection
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3.2.3 Power Connections
Shield
PE
Disconnecting
switch
Fuses
R
S
T
Input
power
supply
PE
W
V
U
R
BR
S T
U
-Ud
+Ud
V W
PE
PE
(*)
(*)
The power terminals -Ud, BR and +Ud are not available in models of frame A.
(a) Frame A, B and C
Shield
PE
Disconnecting
switch
Fuses
R
S
T
Input power
supply
PE
W
V
U
R
BR
DCR
S T
U
-Ud
+Ud
V W
PE
PE
(b) Frame D
Figure 3.1:
(a) and (b) Power and grounding connections