General Purpose 3Φ
Techtop Motor Connection Diagrams
Metric IEC Three Phase Wiring Diagrams (Reference Only)
3 Phase IEC YY/Y 9 Lead 230/460V
U2
4
V2
5
W2
6
U2
4
V2
5
W2
6
U3
7
V3
8
W3
9
U3
7
V3
8
W3
9
U1
1
V1
2
W1
3
U1
1
V1
2
W1
3
High Voltage
132 IEC Frame & Smaller
Notes: 9 Lead / 9 Post Connection
Motors pre-wired High Voltage as shown above
9 Lead
230/460V
3 Phase YY/Y
IEC Single
Voltage
575V
W2
7
U2
8
V2
9
W2
7
U2
8
V2
9
U1
1
V1
2
W1
3
U1
1
V1
2
W1
3
Farm Duty 1Φ
Connection Diagrams
Definite Purpose 3Φ
Low Voltage
Metric 3Φ
Connection Diagrams
575V
160 and Larger Δ
Notes: 6 Lead / 6 Post Connection
Motors connected Y, 132 frame and
smaller
Notes: 6 Lead / 6 Post Connection
Motors connected Δ, 160 frame and
larger
Accessories
132 and Smaller Y
3 Phase YY/Y
IEC ΔΔ/Δ
9 Lead
12 Lead
230/460V
230/460V
Connection Diagrams
W2 W4
4
U2 U4
5
V2 V4
6
U2 U3
4
V2 V3
5
W2 W3
U3
7
V3
8
W3
9
W4
7
U4
8
V4
9
U1
1
V1
2
W1
3
U1
1
V1
2
W1
3
Parts
6
Low Voltage
High Voltage
Notes: 12 Lead / 9 Post Connection
Motors pre-wired High Voltage as shown above
Reference
132
160IEC
IECFrame
Frame&&Smaller
Larger
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