3 Installation
3.7 Block diagrams
DC1 Variable Frequency Drive 04/16 MN04020003Z-EN www.eaton.com 103
3.7.6 DC1-1D…Nx-A66N
Mains voltage U
LN
: 1-phase, 110 (-10 %) - 115 (+10 %) V, 50/60 Hz
Motor Voltage U
2
: 3-phase, U
2
 = 2 x U
LN 
(voltage doubling),
0 - 50/60 Hz (max. 500 Hz)
Size: FS1 and FS2 with IP66 degree of protection
Figure 66: Block diagram DC1-1D…Nx-A66N
When there is a power supply of 1 AC 110 - 115 V, a motor voltage of up to 
3 AC 230 V will be output. External braking resistances can be connected to 
devices with a size of FS2 or bigger.
DC+
BR
3 AC 230/400/460 V
WVU
M
3 ~
2
DI1
3
DI2
4
DI3
(AI2)
5
+10 V Out
< 10 mA
6
AI1
(DI4)
7
0 V
1
+24 V Out
< 100 mA
L1/L
L3
8 9 10
L2/N
11
6 A, 250 VAC
5 A, 30 VDC
CPU
PES
DC1-32... 3 AC 200 - 240 V
                 50/60 Hz
DC1-34... 3 AC 380 - 480 V
                 50/60 Hz
R
B
①
AO
(DO)
0 V
RS485
Modbus RTU
CANopen
OP-Bus
X1
②
 Frame size FS2 with connection for external brake resistor
 DC1-12xxxN…: without radio interference suppression filter
DC1-12xxxF…: with built-in radio interference suppression filter
→
DC1-1D variable frequency drives do not have an internal radio 
interference suppression filter. An external radio interference 
suppression filter is required for operation as per EN 61800-3, 
 Section 6.8, “Radio interference suppression filter“, page 153.