INVT GD20-EU 22 kW Frequency Inverter (400 V Three-Phase VFD)

Description

The INVT GD20-EU 22 kW (400 V Three-Phase) is a robust frequency converter designed for OEM and industrial applications that require precise motor control and high reliability. Featuring both standard V/f control and advanced sensorless vector control (SVC), the GD20-EU 22 kW enables accurate speed and torque management for demanding processes such as pumps, HVAC systems, conveyors, and fans. Its compact design allows flexible installation in electrical cabinets or on panels, making it ideal for space-constrained setups

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Key Specifications

• Motor Rated Power: 22 kW

• Input Voltage: 3-Phase 400V AC (±10%)

• Control Modes: V/f Control & Sensorless Vector Control (SVC)

• Speed Accuracy: ±0.2% in SVC mode

• Starting Torque: 150% at 0.5 Hz (SVC)

• Overload Capacity: 150% for 1 min, 180% for 10 s, 200% for 1 s

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Advanced Motor Control & Flexibility

The INVT GD20-EU 22kW supports dynamic, multi-mode control for a wide range of motor-driven systems:

• V/f Control for general-purpose applications

• SVC for high-precision speed and torque response

• Multi-step speed control (up to 16 steps) for advanced sequencing

• Customizable V/f curves (linear, multi-dot, multi-power) to match specific load profiles

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Built-In Safety & System Protection

INVT GD20-EU 22 kW is engineered with robust safety and protection features to ensure reliable operation and operator safety:

• Safe Torque Off (STO) – Instantly disables motor torque in emergencies

• Built-in Braking Unit – Smooth deceleration without external components

• Integrated EMC C3 Filter – Reduces electromagnetic interference for cleaner operation

• Comprehensive Protections – Overcurrent, overvoltage, undervoltage, overheating, and overload safeguards

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Communication & I/O Integration

The GD20-EU 22 kW is designed for seamless integration into industrial automation systems:

• RS485 Port – Supports Modbus RTU and ASCII communication protocols

• Advanced I/O Set:

  • 2 Analog Inputs (0–10 V / 0–20 mA)

  • 1 Analog Output (0–10 V / 0–20 mA)

  • 4 Digital Inputs + 1 High-Speed Input (up to 50 kHz)

  • 1 Digital Output + 2 Programmable Relay Outputs

• External LED Keypad – Copy and configure parameters easily

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Energy Efficiency & System Optimization

The GD20-EU 22 kW supports efficient operation and system-level optimization:

• Common DC Bus Compatibility – Share energy across multiple inverters

• Integrated Energy Monitoring – Track cumulative power consumption on the display

• PID Control – Precise regulation of pressure, flow, and temperature

• Simple PLC Function – Automate logic-based motor control

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Applications of the INVT GD20-EU 22 kW

This model is trusted across industries for precise control and reliable operation:

• Pumping Systems: centrifugal, dosing, wastewater

• HVAC: fans, compressors, air handlers

• Conveyors & Transport Systems

• Industrial Machinery: plastic, packaging, textile, printing, ceramic

• Other Applications: woodworking, cable manufacturing, environmental technology

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Why Choose the INVT GD20-EU 22 kW?

• Powerful torque at low speeds for heavy loads

• High-speed accuracy under variable conditions

• Auto-tuning (static & rotational) for optimal performance

• CE, UL, and TÜV certified for global compliance

• Compact, cost-effective design with industrial-grade durability

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See our full range of 400 V variable frequency drives, covering all power ratings from 0.75 to 500 kW.

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