© 2020 Power-Tronics, Inc.
7
“ISO Standard” 12-Lead Generator Wiring Diagrams
Series Wye (416/480V 3ø)
Voltage U-W: 416/480V
Voltage U-N: 240/277V
Voltage CT – N: 120/139V
Parallel Wye (208/240V 3ø)
Voltage U-W: 208/240V
Voltage U-N: 120/139V
NOTE:
208V is Standard Voltage
Series Delta (240V 3ø)
Voltage U-W: 240V
Voltage U/W-N: 120V
Voltage V – N: 208V
NOTE:
V-N is a “High Leg”
208V instead of 120V!
Double-Delta (120/240V 1ø)
Voltage U-W: 240V
Voltage U/W-N: 120V
Preferred Single-Phase Connection.
Don’t Use Zig-Zag if Possible.
NOTE:
Derate generator by 1/3 rated
capacity when using this connection!
