Digital guide
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CONTROL TECHNIQUES M400-09501310E
Product Name: Unidrive M400 Series High‑Power AC Drive
Product Introduction: A high‑power general‑purpose AC drive from the Unidrive M400 series, designed for controlling 3‑phase induction motors in demanding industrial applications. It combines ease of use with advanced control capabilities and integrated safety features.
Technical Specifications:
- Power Rating: 110 kW (150 HP) normal duty; 95 kW (125 HP) heavy duty
Detailed content
- Input Voltage: 575V AC, 3‑phase, 50/60 Hz
- Output Current: 150 A (normal duty); 131 A (heavy duty)
- Frequency Range: 0–550 Hz
- Control Mode: Open‑loop Rotor Flux Control (RFC‑A)
- Enclosure Rating: IP20
- Dimensions: 289.6 mm × 309.9 mm × 1069.3 mm
- Weight: Approx. 120 kg
Functional Features:
- Advanced RFC‑A algorithm for stable and precise induction motor control
- Integrated PLC for basic logic and sequencing control, reducing external hardware needs
- Dual Safe Torque Off (STO) inputs for functional safety compliance
- Multi‑language backlit LCD keypad for intuitive setup and diagnostics
- Expandable I/O and communication via optional SI modules (Modbus, Ethernet, fieldbuses)
- S‑ramp acceleration/deceleration for smooth motion and reduced mechanical stress
- Comprehensive motor and drive protection (overcurrent, overvoltage, thermal, short circuit)
Application Scenarios:
- Large pumps and fans in industrial systems
- Heavy‑duty conveyors and material handling equipment
- Machine tools
- Extruders and mixers
- General industrial motor control
- Process automation systems
