Front view of INVT GD20 90kW 400V three-phase VFD for industrial motor control
Front view of INVT GD20 90kW 400V three-phase VFD for industrial motor control

INVT GD20-EU 90 kW Frequency Inverter (400 V Three-Phase VFD)

CHF 3,150.00 excl. VAT, free Shipping

  • Rated Power: 90 kW, 400V ±10%, 3-phase input

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

  • Startup Torque: 150% at 0.5 Hz (SVC mode)

  • Speed Accuracy: ±0.2% with SVC for precise motor control

  • Overload Capacity: 150% (60s), 180% (10s), 200% (1s)

  • Built-in STO (Safe Torque Off) for enhanced safety

  • Integrated Braking Unit for smooth deceleration

  • EMC C3 Filter Built-in for reduced interference

  • RS485 with Modbus RTU/ASCII for PLC/SCADA integration

  • Advanced I/O: 2 AI, 1 AO, 4 DI, 1 HSI (50 kHz), 1 DO, 2 Relay Outputs

  • PID Control & Multi-step Speed (up to 16 steps)

  • Static & Dynamic Auto-Tuning for optimized motor performance

  • Common DC Bus Compatible – supports energy sharing

  • Ideal for: HVAC, pumps, conveyors, compressors, and industrial machinery

  • Certifications: CE,  TÜV SÜD

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SKU: INVT.GD20.015G.4.EU Category: Tag:

Description

The INVT GD20-EU 90 kW (400 V Three-Phase) VFD is a high-performance, industrial-grade drive designed for precise motor speed and torque control. It combines efficient energy management, durable design, and advanced protection functions, ensuring long-term reliability even in demanding applications.

Supporting both V/f and sensorless vector control (SVC), the GD20-EU 90 kW model offers smooth operation and high starting torque, making it ideal for large pumps, fans, compressors, conveyors, and other heavy-duty industrial systems.

Key Specifications

  • Motor Rated Power: 90 kW

  • Input Voltage: 400V AC ±10%, Three Phase (3~)

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

  • Startup Torque: 150% torque at 0.5 Hz (SVC Mode)

  • Speed Accuracy: ±0.2% in SVC

  • Overload Capacity: 150% for 60s, 180% for 10s, 200% for 1s

  • Built-in Braking Unit & STO (Safe Torque Off)

Advanced Motor Control for Demanding Applications

The GD20-EU 90 kW enables smooth and precise control of large motors, making it suitable for:

  • Conveyors and material handling

  • Industrial ventilation and HVAC systems

  • High-capacity pumps and compressors

  • Machine tools, plastic and packaging machinery

  • Water and wastewater treatment plants

With selectable V/f and SVC modes, the GD20-EU 90 kW adjusts performance to suit different load profiles, delivering both energy savings and process optimization. Dynamic 16-step speed control and customizable V/f curves (linear, multi-point, and V/f separation) allow tailored operation across diverse scenarios.

Industrial Protection & Safety Built-In

  • Safe Torque Off (STO): Complies with safety standards by cutting motor torque during emergencies
  • Built-in EMC Filter (C3): Reduces electromagnetic interference for stable and compliant operation
  • Integrated Braking Unit: Ensures smooth deceleration without external devices
  • Full Protection Suite: Overvoltage, undervoltage, overcurrent, overheating, and overload protection

Flexible I/O & Communication Interfaces

  • RS485 Communication: Supports Modbus RTU/ASCII protocols for seamless integration with PLCs and automation networks

  • Advanced I/O:
    • 2 Analog Inputs (0–10V, -10–+10V, 0–20mA)
    • 1 Analog Output (0–10V or 0–20mA)
    • 4 Digital Inputs + 1 High-Speed Input (50 kHz)
    • 1 Digital Output + 2 Programmable Relay Outputs

Use the built-in LED keypad for easy setup, external control, and parameter copying between devices.

Precision Control & Energy Efficiency

The GD20-EU 90 kW supports both static and dynamic motor autotuning, ensuring optimized performance for a wide range of motors. The built-in PID controller allows accurate regulation of pressure, flow, or temperature in closed-loop control systems. It also supports common DC bus configurations for energy savings in multi-inverter installations.

Wide-Ranging Applications

The INVT GD20 90kW is a reliable choice for high-demand sectors such as:

  • HVAC and building automation

  • Industrial pumping systems

  • Material processing (plastics, ceramics, textiles)

  • Food and beverage production

  • Compressors, fans, and large rotating equipment

Wherever dependable 90kW motor control is required, the GD20 is built to deliver performance, safety, and flexibility.

Certifications & Quality

  • CE Certified

  • UL & cUL Listed

  • Tested by TÜV SÜD for safety, EMC compliance, and reliability

Why Choose the INVT GD20-EU 90 kW ?

  • Heavy-duty performance with high starting torque
  • Advanced motor control with ±0.2% speed accuracy
  • Smart PID and PLC features for automation
  • Built-in safety, braking, and EMC filter
  • Reliable operation in challenging industrial environments
  • Easy installation, integration, and maintenance

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

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Additional information

Brake Chopper

Communication Protocols

Modbus RTU & ASCII
Control Methods

SVPWM, SVC (Sensorless Vector Control)
Dual Rating Capability

Single Rating
EMC Filter

Input Voltage

Motor Compatibility

Asynchronous Motors
Mounting Type

Wall and Flange Mounting
Safety Features

User Interface

LED Keypad

Specification

Motor Rated Power (kW) 90
Rated Current (A) 180
Line Voltage, Frequency AC 3-ph. 380 V … 440 V (-15% … +10%), 50 Hz/60 Hz (± 5%)
Output Voltage 3-ph. 0 V … 480 V (max. input voltage)
Overload Capacity 150% for 60s, 180% for 10s; 200% for 1s
Output Frequency 0 … 590 Hz
Control Inputs Analog: 2 Inputs (AI2: 0 … 10 V / 0(4) … 20 mA; AI3: -10 … 10 V)
Digital: 5 programmable inputs, including 1 High-Speed Input (50 kHz)
Control Outputs Analog: 2 Outputs each 0 … 10V / 0 (4) … 20 mA
Digital: 1 potential-free digital output
2 freely programmable relays with changeover contacts
Interfaces RS485 on terminals (Modbus RTU & ASCII)
Brake Chopper Integrated
EMC Filter Integrated C3 filter, optional C2 filter (comply with IEC61800-3 C2, IEC61800-3 C3 requirements)
DC Reactor Integrated
Safety Functions 2-channel STO, SIL3, PL “e”
Protection Rating IP20
Operating Temperature -10°C … +50°C; performance reduction required if ambient temperature exceeds +40°C, fan cooling
Certifications CE, TÜV SÜD
Dimensions (mm) * Width x Height x Depth  / Weight 338 mm x 554 mm x 329.2 mm / 45 kg

 

 

 

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FAQ

1. Can the INVT GD20-EU 90 kW drive operate different motor types?
Yes. The GD20-EU 90 kW supports both V/f and Sensorless Vector Control (SVC), making it suitable for standard asynchronous motors and applications with variable loads. For installations requiring precise torque or smooth startup, SVC mode delivers superior performance.

2. Is the GD20-EU 90 kW VFD suitable for heavy-duty loads?
Absolutely. It handles overloads of 150 % for 60 s, 180 % for 10 s, and 200 % for 1 s — ideal for compressors, fans, conveyors, and other heavy-duty machinery with frequent starts or high inertia.

3. Can the GD20-EU 90 kW be integrated into automation systems?
Yes. The unit includes an RS485 interface with Modbus RTU and ASCII protocols and multiple analog/digital I/Os. It is fully compatible with PLC, SCADA, and INVT Workshop software for easy setup and monitoring.

4. What safety functions does the GD20-EU 90 kW provide?
It features Safe Torque Off (STO) for immediate torque cut-off during emergencies, plus protection against overcurrent, overvoltage, undervoltage, overload, and overheating.

5. How energy-efficient is the GD20-EU 90 kW?
The drive supports energy-sharing via common DC bus systems and includes a PID controller for precise process regulation. This ensures efficient performance in HVAC, pumping, and ventilation systems.

6. Does it include a braking unit and EMC filter?
Yes. A built-in braking chopper ensures smooth deceleration, and an integrated EMC filter (C3 class) minimizes electromagnetic interference in industrial environments.

7. Can I program multi-speed or automated operation?
Yes. The GD20-EU 90 kW allows up to 16 programmable speeds and features a simple PLC for time-based or sequence automation — perfect for process control without external logic.

8. Does it include motor autotuning?
Yes. Both static and dynamic autotuning functions are available, enabling precise motor parameter identification and reducing commissioning time.

9. What certifications does the GD20-EU 90 kW have?
It is CE-compliant, UL & cUL-listed, and TÜV SÜD-tested, meeting international standards for electrical safety, quality, and EMC.

Related Documents

Documentation for INVT GD20-EU 3-Phase 400V 90 kW:

 

 

 

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