User manual
Publication 2092-UM001D-EN-P — July 2005
3-4 Connecting Your Ultra1500
Figure 3.3
Single-Phase Grounded Power Configuration
Figure 3.4
Single-Phase Amplifiers on Three-Phase Power
For more information on single-phase amplifiers running on three-phase 
power, refer to Appendix D.
L1
L2
L1
L2
Ultra1500 Single-Phase AC Input
2092-DA1, -DA2, and -DA3  
L1 and L2 Terminals 
Transformer Secondary
Step-Down Transformer Secondary
Ultra1500 Single-Phase AC Input
2092-DA1, -DA2, and -DA3  
L1 and L2 Terminals 
Ground Grid or Power Distribution Ground
Bonded Cabinet Ground Bus
L1
L2
L3
L2
L3
L1
L1
L2
L1
L2
L1
L2
Bonded Cabinet 
Ground Bus
Transformer (WYE) Secondary
Ground Grid or 
Power Distribution Ground
Ultra1500 Single-Phase AC Input
2092-DA1, -DA2, and -DA3 
Ultra1500 Single-Phase AC Input
2092-DA1, -DA2, and -DA3 
Ultra1500 Single-Phase AC Input
2092-DA1, -DA2, and -DA3 










