Issue 08/03
24 Quick Start Guide MICROMASTER 440
6SE6400-5GA00-0BP0
2.6 Wiring Diagrams for Motors
The diagrams below show the typical wiring notation found on NEMA and IEC motors
2.6.1 NEMA Motor
Figure 2-8 NEMA Motor Connections
2.6.2 IEC Motor
Three-phase motor connection
W2
U1
U2
V1
V2
W1
3AC 230/400 V
W2
U1
U2
V1
V2
W1
230 V
400 V
Delta connection
U1
V1
W1
U1
V1
W1
W2
U1
U2
V1
V2
W1
U1
V1
W1
Star connection Delta connection
Line
Line
W2
U1
U2
V1
V2
W1
690 V
U1
V1
W1
Star connection
3AC 400/690 V
400 V
Figure 2-9 IEC Motor Connections
NOTE
Refer to page 45 for information on reading the motor name plate data.
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