ABB ACS880-11-169A-3 90 kW regenerative drive. ABB ACS880-11-169A-3 is a current ACS880 regenerative wall-mounted drive rated 90 kW, 169 A, 380-415 V AC, frame R8, IP21. Its active supply unit returns braking energy to the network and maintains total harmonic current distortion below 3% under nominal undistorted-network conditions. It provides Direct Torque Control, Safe Torque Off and flexible industrial communications for demanding applications across industrial applications.