Technical Parameters (M400-05400270A10100AB100, 11/15KW) Model: M400-05400270A10100AB100 Series: Unidrive M400 (General-Purpose Open-Loop Drive) Frame Size: 5 Power Ratings: Heavy Duty (HD - Constant Torque): 11 kW (15 HP) Normal Duty (ND - Variable Torque): 15 kW (20 HP) Continuous Current (Icont): 27.0 A (RMS) Peak Current (HD): 40.5 A (150% overload for 60 seconds) Peak Current (ND): 29.7 A (110% overload for 60 seconds) Power Supply (Mains): 3-phase, 380V to 480V AC ±10% (50/60 Hz) Control Supply: 24V DC (external, optional) Output Voltage: 3-phase, 0 to rated input voltage (variable frequency) Output Frequency: 0 to 550 Hz (standard) Control Modes: V/Hz, Open-Loop Vector (Sensorless Vector), PM Motor Control Switching Frequency: 3 kHz, 4 kHz, 6 kHz, 8 kHz, 12 kHz (adjustable, derating applies at higher frequencies) Digital I/O: 5 x programmable digital inputs, 2 x programmable digital outputs (relay), 1 x programmable digital output (solid state) Analog I/O: 3 x analog inputs (16-bit, 0-10V, 4-20mA selectable), 2 x analog outputs (12-bit, 0-10V) Communication Interfaces: Standard RS485 with MODBUS RTU; Slot for optional fieldbus modules Safety Function: Safe Torque Off (STO) compliant with IEC 61800-5-2, SIL3/PL e (standard) Built-in PLC: Yes, with on-board logic and sequencing capabilities Protection Class: IP20 (Open chassis - for enclosure mounting) Operating Temperature: -20°C to +40°C (derating above 40°C to max 50°C) Cooling Method: Forced air cooling (integrated fan) Dimensions (H x W x D): Approx. 333 mm x 135 mm x 260 mm (13.1" x 5.3" x 10.2") - typical for frame 5 Weight: Approx. 6.5 kg (14.3 lbs) Standards: CE, UL, cUL, TÜV (for STO), RoHS Typical Applications Heavy Duty (11kW - Constant Torque): Conveyors and material handling Mixers and agitators Extruders and compressors Hoists and cranes (open-loop) Industrial machinery Normal Duty (15kW - Variable Torque): Centrifugal pumps and fans HVAC systems Cooling towers Blowers and ventilators Water and wastewater treatment