Key Technical Specifications: Parameter Description / Value Product Code ACS550-U1-045A-4 Product Type Variable Frequency Drive (VFD), AC Drive, Inverter Rating 22 kW (30 HP) Output Current 45 A (at 400V, continuous duty) Supply Voltage 3-phase, 380 - 480 V AC (±10%), 50/60 Hz Output Voltage 0 - Supply Voltage (Uin) Output Frequency 0 - 500 Hz (standard motor: 0 - 250 Hz) Control Methods Scalar Control (Volts/Hertz - V/Hz): Pre-programmed curves. Flux Vector Control (FVC): Sensorless vector control for improved low-speed torque and speed accuracy. Enclosure IP20 / UL Type 1 (Open Chassis). Requires installation in a suitable control cabinet for protection. Frame Size R4 Key Features - Flying Start: Can catch a rotating motor. - Built-in PID Controller: For process control (e.g., pressure, flow). - Multiple I/O: Digital & Analog Inputs/Outputs, Relay outputs. - ABB Drive Panel Compatibility (Optional): For control and monitoring. - Standard Modbus RTU (RS-485): For fieldbus communication. - Advanced Application Macros: Pre-set parameter groups for quick setup (e.g., Pump/Fan, 3-Wire Control). - DC Bus Connection: Allows common DC bus for multi-drive systems. Motor Control & Protection Motor thermal protection, overcurrent, overvoltage, undervoltage, ground fault, short circuit, and motor stall protection. Cooling Method Forced air cooling (internal fan). Ambient Conditions Operating Temperature: -15°C to +50°C (59°F to 122°F) without derating. Max humidity: 95% (non-condensing). Standards & Approvals CE, UL, cUL