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9.2 IEC THREE-PHASE WIRING DIAGRAMS
208-230/460V 60Hz
Direct-on-line (DOL) full voltage starting
IEC
132M Frame & Smaller
9 Leads YY/Y
IEC
160M Frame & Larger
12 Leads ΔΔ/Δ
IEC
> 100HP
6 Leads Δ
(460V)
575V 60Hz
Direct-on-line (DOL) full voltage starting
IEC
132M Frame & Smaller
6 Leads Y
IEC
160M Frame & Larger
6 Leads Δ
1. CCW rotation facing ODE for connections shown
2. Swap any two input lines to reverse rotation
9 | Techtop Motors
U2
V2
W2
U3
V3
W3
U1
V1
W1
L1
L2
L3
LOW VOLTAGE
U2
V2
W2
U3
V3
W3
U1
V1
W1
L1
L2
L3
HIGH VOLTAGE
W4
U4
V4
W2
U2
V2
U3
V3
W3
U1
V1
W1
L1
L2
L3
LOW VOLTAGE
U3
V3
W3
U2
V2
W2
W4
U4
V4
U1
V1
W1
L1
L2
L3
HIGH VOLTAGE
W2
U2
V2
U1
V1
W1
L1
L2
L3
SINGLE VOLTAGE (460V)
W2
U2
V2
U1
V1
W1
L1
L2
L3
W2
U2
V2
U1
V1
W1
L1
L2
L3
ENGLISH
Wye-Delta starting (Wye Start/Delta Run)
Does Not Apply
U4
V4
W4
U2
V2
W2
U3
V3
W3
U1
V1
W1
L1
L2
L3
LOW VOLTAGE WYE START
W4
U4
V4
U3
V3
W3
U2
V2
W2
U1
V1
W1
L1
L2
L3
HIGH VOLTAGE WYE START
W2
U2
V2
U1
V1
W1
L1
L2
L3
SINGLE VOLTAGE WYE START
Wye-Delta starting (Wye Start/Delta Run)
Does Not Apply
W2
U2
V2
U1
V1
W1
L1
L2
L3
WYE START
FRANÇAIS
W4
U4
V4
W2
U2
V2
U3
V3
W3
U1
V1
W1
L1
L2
L3
LOW VOLTAGE DELTA RUN
U3
V3
W3
U2
V2
W2
W4
U4
V4
U1
V1
W1
L1
L2
L3
HIGH VOLTAGE DELTA RUN
W2
U2
V2
U1
V1
W1
L1
L2
L3
SINGLE VOLTAGE DELTA RUN
W2
U2
V2
U1
V1
W1
L1
L2
L3
DELTA RUN
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