Allen-Bradley Ultra3000 - Page 100

Publication 2098-IN003E-EN-P — April 2004
3-4 Connecting Your Ultra3000
Figure 3.2
Three-Phase Power Configuration (Preferred Delta Secondary)
Note: Feeder and branch short circuit protection is not illustrated.
Figure 3.3
Three-Phase Power Configuration (Tolerated Delta Secondary)
Note: Feeder and branch short circuit protection is not illustrated.
L1
L2
L3
TB1
L1
L2
L3
E
L1
L2
L3
L1
L2
L3
Transformer (Delta) Secondary
Ground Grid or
Power Distribution Ground
Ultra3000
Three-Phase AC Input
TB1 Terminals
Bonded Cabinet Ground Bus
AC Line
Filter
L1
L2
L3
TB1
L1
L2
L3
E
L1
L2
L3
L1
L2
L3
Transformer (Delta) Secondary
Ground Grid or
Power Distribution Ground
Ultra3000
Three-Phase AC Input
TB1 Terminals
Bonded Cabinet Ground Bus
AC Line
Filter