Product Overview and Key Ratings
The ABB ACS800-704-0910-7 is a diode supply unit from the ACS800 family, rated at 960 A and 503 kW, designed for 3-phase 400-690 VAC input. It is a chassis-mount unit in Frame D4, configured as a 6/12-pulse rectifier for industrial drive stacks. The 960 A rating defines the continuous current capacity of the diode bridge, which feeds the DC bus of a multi-drive system. This is not a motor-rated output but the supply-side rectifier current; the downstream inverters draw from this bus.
Integration Notes
The Frame D4 chassis mount requires panel cutout and busbar connections sized for 960 A continuous. The 6/12-pulse configuration reduces line harmonics compared to a 6-pulse-only unit; verify that the incoming transformer and line reactor support the 12-pulse topology. The 400-690 VAC input range covers common global voltages (400 V, 480 V, 500 V, 690 V). The unit is a diode supply, not a regenerative or active front end; it cannot return energy to the line.