The MD290T5.5G/7.5PB is a mid-range dual-rating variable frequency drive delivering 5.5kW constant torque and 7.5kW variable torque output for general-purpose industrial applications. Built with proven vector control technology and an integrated braking unit, this drive provides reliable speed regulation and efficient motor control for pumps, industrial fans, conveyors and automated machinery. It is ideally suited for water supply systems, HVAC equipment, material handling lines and general factory automation where dependable performance and energy-efficient operation are essential requirements.
Mid-Range Power Drive — 5.5kW constant torque with 7.5kW variable torque dual rating covers a broad range of medium-power industrial motor applications.
General Purpose Inverter — Versatile V/F and sensorless vector control modes support pumps, fans, conveyors and mixers with a single drive platform.
Motor Speed Regulator — High-performance vector algorithm with auto-tuning delivers 0.5% speed accuracy and smooth low-speed torque performance.
Built-in Braking Unit — Integrated braking chopper eliminates external braking modules for rapid deceleration and reduced panel space.
Energy-Saving Operation — Automatic energy optimization with sleep/wake function significantly reduces operating costs in variable torque applications.
Flexible Integration — Rich I/O terminals, RS485 Modbus communication and built-in PID control enable seamless system automation connectivity.
| Product Type | Mid-Range Variable Frequency Drive |
|---|---|
| Model Number | MD290T5.5G/7.5PB |
| Rated Power (G) | 5.5 kW (Constant Torque) |
| Rated Power (P) | 7.5 kW (Variable Torque) |
| Input Voltage | Three-Phase 380 V AC |
| Input Frequency | 50 / 60 Hz |
| Output Frequency | 0 to 400 Hz |
| Control Mode | V/F, Sensorless Vector Control |
| Overload Capacity | 150% for 60s |
| Braking Unit | Built-in Braking Chopper |
| Communication | RS485 Modbus RTU |
| Protection Class | IP20 |
| Cooling Method | Forced Air Cooling |
| Ambient Temperature | -10°C to +40°C |
| Certification | CE, RoHS |
Industrial Water Supply & Booster Systems, HVAC Fans & Air Handling Units, Conveyor & Material Transport Lines, Mixing & Agitation Equipment, Automated Production Machinery, General Factory Drive Systems.