ABB HVAC drive : ACH 550 : Power : 0.75 kW – 160 kW Frequency: 48…63 Hz Voltage: 3-Phase,380 To 480 V,+10/-15% Application: air handling units, cooling towers, chillers Specification: 6 DI, 3 Relay O/P, 2 AI, 2AO Harmonic mitigation built-in
