The MD290T11G/15PB is a dual-rating variable frequency drive delivering 11kW constant torque and 15kW variable torque output for medium-to-heavy industrial applications. Built with advanced sensorless vector control technology and an integrated braking unit, this drive provides precise speed regulation, high starting torque and energy-efficient motor control for compressors, heavy-duty pumps, industrial fans, conveyors and automated production machinery. It is ideally suited for CNC machining centers, water supply systems, HVAC equipment, material handling lines and general factory automation where dependable performance and robust overload capacity are essential requirements.
Product AdvantagesDual-Rating Power Drive — 11kW constant torque with 15kW variable torque dual rating in a single compact unit, covering both heavy-duty machinery and light-duty fluid applications.
Precision Vector Control — Advanced sensorless vector control algorithm delivers 150% starting torque at 0.5Hz and ±0.5% speed accuracy for demanding industrial processes.
Comprehensive Motor Protection — Multi-layer protection including overcurrent, overvoltage, undervoltage, phase loss, overload and short-circuit safeguards ensure maximum uptime and equipment safety.
Built-in Braking Unit — Integrated braking chopper supports external braking resistor for rapid deceleration, eliminating the need for external braking modules and saving panel space.
Energy-Saving Performance — Automatic Voltage Regulation with sleep/wake function and auto torque boost significantly reduces energy consumption under variable load conditions.
Smart System Integration — RS485 Modbus RTU communication, built-in PID controller and rich I/O terminals enable seamless connectivity with PLC, HMI and SCADA automation systems.
Technical Specifications| Product Type | High-Performance Variable Frequency Drive |
| Model Number | MD290T11G/15PB |
| Rated Power (G) | 11 kW (Constant Torque / Heavy Duty) |
| Rated Power (P) | 15 kW (Variable Torque / Light Duty) |
| Input Voltage | Three-Phase 380 – 480 V AC |
| Input Frequency | 50 / 60 Hz |
| Output Frequency | 0 to 500 Hz |
| Rated Output Current (G) | 25 A |
| Rated Output Current (P) | 32 A |
| Control Mode | V/F, Sensorless Vector Control (SVC) |
| Starting Torque | 150% at 0.5 Hz (SVC Mode) |
| Overload Capacity | 150% for 60s (G) / 120% for 60s (P) |
| Braking Unit | Built-in Braking Chopper |
| Communication | RS485 Modbus RTU |
| Protection Class | IP20 |
| Cooling Method | Forced Air Cooling |
| Ambient Temperature | -10°C to +50°C (Derating Above 40°C) |
| Certification | CE, RoHS |
CNC Machining Centers & Lathes, Industrial Compressor Systems, Water Supply & Booster Pump Stations, HVAC Fans & Air Handling Units, Conveyor & Material Transport Lines, Plastic Injection & Extrusion Machinery, Textile Spinning & Weaving Equipment, Mixing & Agitation Systems, Automated Packaging Lines, General Factory Drive Systems.