INVT GD20-045G-4 Heavy-Duty Industrial Drive High-Torque General VFD

The INVT GD20-045G-4 is a 45kW high-power general-purpose frequency inverter from INVT's GD20 series, engineered for the most demanding heavy-duty industrial drive applications. Designed for three-phase 380V input, this robust drive delivers 45kW of reliable motor control with V/F and sensorless vector control for large induction motors. With built-in DC reactor, integrated braking chopper, PID control, Modbus RTU communication, independent air duct cooling, and comprehensive protection, it is the powerful yet cost-effective drive solution for large pumps, high-capacity industrial fans, air compressors, extruders, heavy conveyors, crushers, mixers, and demanding industrial automation applications requiring high torque and continuous-duty reliability.

• Heavy-Duty Industrial Drive — 45kW G-type rating with 150% overload for 60s and 180% for 3s; built-in DC reactor for harmonic suppression and power factor correction in demanding continuous-duty applications
• High-Torque General VFD — Proven GD20 platform delivering 45kW of reliable motor control with V/F and sensorless vector control (SVC), providing 150% starting torque at 0.5Hz for heavy-starting industrial loads
• Robust Power Controller — 1:100 speed control range with ±0.5% accuracy; supports heavy-starting applications including crushers, ball mills, large extruders, and high-inertia fan loads
• Built-in DC Reactor & Braking Chopper — DC reactor standard for input harmonic reduction and power factor improvement; integrated braking chopper enables fast deceleration of high-inertia loads
• Advanced Thermal Management — Independent air duct design with high-capacity DC fans separates power and control cooling paths; coated PCBA for reliable operation in harsh industrial environments
• Advanced Process Control — Integrated PID controller with sleep/wake for pressure, flow, and temperature loops; multi-speed and simple PLC for standalone automation without external controller
• Comprehensive Protection Suite — Overcurrent, overvoltage, undervoltage, overload, overheating, input/output phase loss, short-circuit, PTC motor protection, and automatic fault diagnostics
• Flexible System Integration — RS485 Modbus RTU standard, intuitive LED keypad with parameter copy, motor auto-tuning, and application presets for rapid deployment across all major industrial applications