Front view of INVT GD20 VFD 11kW three-phase 400V inverter with compact industrial design
Front view of INVT GD20 VFD 11kW three-phase 400V inverter with compact industrial design

INVT GD20-EU 11 kW Frequency Inverter (400 V Three-Phase VFD)

CHF 545.00 excl. VAT, free Shipping

✔ Motor Rated Power: 11kW

✔ Input Voltage: 3-phase 400V ±10%

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

✔ Startup Torque: 150% at 0.5Hz – perfect for heavy-duty applications

✔ Speed Accuracy: ±0.2% (SVC mode)

✔ Built-in EMC Filter (C3) – reduced electromagnetic interference

✔ Integrated Braking Unit – no external brake needed

✔ Safe Torque Off (STO) – enhances operator safety

✔ Auto-Tuning: Static and rotational motor tuning

✔ Multi-speed Control: Up to 16 speed steps

✔ PID Control for temperature, pressure, and flow regulation

✔ RS485 Communication – supports MODBUS RTU & ASCII

✔ PC Connectivity: Configure via INVT Workshop software + USB-RS485 adapter

✔ Advanced I/O: 2 analog in, 1 analog out, high-speed digital in/out

✔ Applications: HVAC, pumps, conveyors, compressors, machine tools & more_

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SKU: GD20-011G-4-EU Category: Tag:

Description

The INVT GD20-EU 11 kW (400 V Three-Phase) is designed for precise industrial motor control in demanding applications. Featuring compact construction, reliable performance, and advanced vector and V/f control modes, this model ensures smooth operation under heavy loads or low-speed conditions. Ideal for pumping systems, HVAC, conveyors, and general industrial machinery, the GD20-EU 11 kW provides high efficiency, safety, and ease of integration.

Key Features – INVT GD20-EU 11 kW (400 V Three-Phase)

  • Motor Power: 11 kW

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

  • Control Modes: V/f and Sensorless Vector Control

  • Startup Torque: 150% at 0.5 Hz (SVC) – ideal for heavy-duty applications

  • Speed Accuracy: ±0.2% with sensorless vector control

  • Integrated STO (Safe Torque Off) for operational safety

  • Built-in Braking Unit for smooth deceleration

  • EMC Filter (C3) to minimize electromagnetic interference

  • Auto-Tuning: Static and rotational motor parameter autotuning for precise performance

Performance & Protection – Reliable Operation

The INVT GD20-EU 11 kW ensures robust operation with:

  • Overvoltage, undervoltage, overcurrent, overheating, and overload protection

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

Smart Control & Connectivity

  • Multi-step Speed Control: Up to 16 configurable levels

  • Built-in PID Controller for precise control of pressure, flow, and temperature

  • Simple PLC Function: Automate direction and speed with time-based logic

  • MODBUS RTU/ASCII Protocol via RS485

  • PC Configuration with INVT Workshop Software and USB-RS485 adapter

Flexible I/O Interface

  • 2 Analog Inputs (0–10 V, –10–+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

Wide Application Range

The INVT GD20-EU 11 kW (400 V Three-Phase) is engineered for precise and reliable motor control across a wide range of industrial applications, including:

  • Conveyors and transport systems

  • HVAC and fan systems

  • Pumps (centrifugal, dosing, etc.)

  • Machine tools and woodworking machinery

  • Packaging, plastic, textile, and printing machines

  • Compressors and water/wastewater systems

  • Ceramic and cable manufacturing industries

Certifications & Quality Assurance

The INVT GD20-EU 11 kW is fully validated for industrial use worldwide:

  • CE Certified

  • UL & cUL Listed

  • TÜV SÜD Tested

These certifications confirm compliance with safety, EMC, and performance standards, ensuring reliable operation in demanding industrial environments.

Why Choose the INVT GD20-EU 11 kW (400 V Three-Phase)?

This model delivers:

  • Precision motor control without unnecessary complexity

  • Reliable operation under challenging conditions

  • Easy integration with flexible communication options

  • A cost-effective industrial-grade solution for OEM and automation applications

 Discover more models from the INVT GD20-EU series of 400 V VFDs for different power ratings and applications.

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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) 11
Rated Current (A) 25
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 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 –
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, UL, and cUL
Dimensions (mm) * Width x Height x Depth 170 mm x 320 mm x 196,3 mm

 

 

 

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FAQ

1. What type of motor can the INVT GD20-EU 11 kW (400 V Three-Phase) drive?
The GD20-EU 11 kW is designed for three-phase asynchronous (induction) motors at 400 V. It supports both standard and high-torque motor applications and delivers smooth operation even under low-speed and high-load conditions.

2. Can the INVT GD20-EU 11 kW handle high starting torque applications?
Yes. With sensorless vector control (SVC), the GD20-EU 11 kW provides up to 150% torque at startup (0.5 Hz), making it suitable for heavy-load applications such as conveyors, pumps, and compressors.

3. Is the INVT GD20-EU 11 kW compatible with PLCs and industrial automation systems?
Absolutely. It supports RS485 communication via MODBUS RTU/ASCII protocols and includes programmable digital and analog I/Os, enabling seamless integration with PLCs, HMIs, and SCADA systems.

4. Does the INVT GD20-EU 11 kW include an integrated braking unit?
Yes. This model features a built-in braking chopper, allowing direct connection of braking resistors without the need for additional external modules.

5. Can the INVT GD20-EU 11 kW be used in HVAC, pump, or fan applications?
Yes. With its integrated PID control and multi-speed functions, it is ideal for precise flow and pressure regulation in HVAC systems, pumping installations, and fan-driven processes.

6. What protection features does the INVT GD20-EU 11 kW provide?
The GD20-EU 11 kW includes comprehensive protections such as overvoltage, undervoltage, overcurrent, overload, and overheating safeguards. It also features Safe Torque Off (STO) for safe motor shutdown during maintenance.

7. Is the INVT GD20-EU 11 kW certified for industrial safety and compliance?
Yes. It is CE marked, UL and cUL listed, and TÜV SÜD tested, ensuring compliance with international safety standards and electromagnetic compatibility regulations.

8. How can I configure the INVT GD20-EU 11 kW?
Configuration can be done via the built-in LED keypad or a PC using the INVT Workshop software with a USB-RS485 adapter. It supports both static and rotational autotuning to optimize motor control performance.

9. Does the INVT GD20-EU 11 kW support both V/f and vector control?
Yes. It supports V/f (voltage/frequency) control and sensorless vector control (SVC), allowing precise speed and torque management for diverse industrial applications.

10. Which industries typically use the INVT GD20-EU 11 kW (400 V Three-Phase)?
This VFD is widely used in HVAC, water and wastewater treatment, packaging, printing, woodworking, plastics, food processing, ceramics, and general factory automation. Its versatility makes it suitable for a wide range of three-phase motor applications.

Related Documents

Documentation for INVT GD20-EU  3-Phase 400V 11 kW:

 

 

 

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