Front view of INVT GD20 0.37 kW 230V VFD with LED display
Front view of INVT GD20 0.37 kW 230V VFD with LED display
INVT GD20 0.37kW VFDs side-by-side installation view
Bottom view of INVT GD20 0.37kW VFD – cooling fan and DIN rail mount
Back view of INVT GD20 0.37kW 230V VFD – terminal layout visible

INVT GD20-EU 0.37 kW VFD | 230 V Single-Phase Input, 3-Phase Output

CHF 165.00 excl. VAT, free Shipping

  • Power: 0.37kW (0.5HP)

  • Input: 230V single-phase; Output: 230V three-phase

  • Control Modes: V/f and sensorless vector control

  • Safety: Integrated Safe Torque Off (STO) function

  • Braking: Built-in braking chopper

  • Motor Tuning: Supports rotation and static autotuning

  • Connectivity: RS485 with Modbus RTU & ASCII protocols

  • Speed Settings: Up to 16 preset speeds

  • Frequency Settings: Digital, analog, pulse, multi-step, PLC, PID, MODBUS

  • Energy Monitoring: Built-in battery capacity display

  • Power Backup: Maintains operation during brief power losses

  • I/O: 2 analog inputs, 1 analog output, 4 digital inputs, 1 high-speed input, 1 digital output, 1 relay output

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In stock

SKU: GD20-0R4G-S2-EU Category: Tag:

Description

The INVT GD20-EU 0.37 kW VFD is designed for applications requiring a reliable and efficient conversion from single-phase 230 V AC input to three-phase output. With compact housing, built-in braking unit, and precise motor control through V/F and sensorless vector algorithms, the GD20-EU 0.37 kW VFD is ideal for OEM machines, small pumps, and fan systems where space and energy efficiency matter.

Key Features of the INVT GD20-EU 0.37 kW

The INVT GD20-EU 0.37 kW VFD combines high performance and compact design for small automation, pump, and fan applications. It efficiently converts a single-phase 230 V AC input into a stable three-phase output for precise motor control.

Technical Highlights

  • Rated Power: 0.37 kW

  • Input Voltage: Single-phase 220 – 240 V AC (±10 %)

  • Output Voltage: Three-phase 0 V – input voltage

  • Output Frequency: 0 – 590 Hz

  • Control Modes: V/F and sensorless vector control for accurate torque and speed adjustment

  • Mounting Options: Side-by-side, wall, or DIN-rail installation

  • Built-in STO Function (Safe Torque Off): Motor torque safely disabled when required

  • Integrated Braking Chopper: Enables efficient braking without external units

  • Motor Autotuning: Static and dynamic tuning supported for precise configuration

  • Software Connectivity: Compatible with INVT Workshop via USB-RS485 for parameter setup

  • Cooling Design: Detachable fan for quick maintenance

  • Protective Features: Protection against overcurrent, overvoltage, undervoltage, overload, and overheating

Control & Communication

  • Analog Inputs: 2 × (0–10 V, 0–20 mA, –10 V to +10 V)

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

  • Digital Inputs: 4 standard + 1 high-speed (up to 50 kHz)

  • Outputs: 1 digital + 1 programmable relay

  • Supported Protocols: Modbus RTU / ASCII via RS485

Applications

The GD20-EU 0.37 kW is suitable for:

  • Small pumps and fans

  • Conveyor systems

  • Printing and packaging machines

  • HVAC systems and air compressors

  • Water and wastewater treatment equipment

Certifications

CE, UL, cUL, and TÜV SÜD certified for compliance, safety, and long-term reliability.

Explore the full range of 230 V single-phase VFDs from the INVT GD20-EU series.

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Additional information

Input Voltage

Control Methods

SVPWM, SVC (Sensorless Vector Control)
Brake Chopper

Dual Rating Capability

Single Rating
Motor Compatibility

Asynchronous Motors
Mounting Type

DIN Rail and Wall Mounting
Safety Features

User Interface

LED Keypad
Communication Protocols

Modbus RTU & ASCII
EMC Filter

Specification

Motor Rated Power (kW) 0.37
Rated Current (A) 2.5
Mains Voltage, Frequency AC 1-ph. 220 V … 240 V (-15% … +10%), 50 Hz/60 Hz (± 5%)
Output Voltage 3-ph. 0 V … max. input voltage
Overload Capability 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: 1 output 0 … 10V / 0 (4) … 20mA.
Digital: 1 potential-free digital output
1 freely programmable relay with changeover contact
Interfaces RS485 on terminals (Modbus RTU & ASCII)
Brake Chopper Integrated
EMC Filter Optionale
DC Reactor –
Safety Functions 2-channel STO, SIL2, PL “d”
Protection Class IP20
Ambient Temperature -10 °C … +50 °C; Power reduction required when ambient temperature exceeds +40 °C, fan cooling
Certification CE, TÜV SÜD, UL and cUL certification
Dimensions (mm) * Width x Height x Depth 80 mm x 160 mm x 123,5 mm
Installation Wall and rail mounting possible

 

 

 

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FAQ

1. What applications is the INVT GD20-EU 0.37 kW VFD suitable for?

The GD20-EU 0.37 kW VFD is ideal for compact OEM and small automation systems, such as HVAC units, small pumps, conveyors, printing and packaging machines, woodworking tools, and water treatment equipment.

2. Can the GD20-EU 0.37 kW drive a three-phase motor?

Yes. Although it operates from a single-phase 230 V supply, the GD20-EU 0.37 kW provides a three-phase output suitable for standard 400 V motors within its rated power range.

3. How can the GD20-EU 0.37 kW VFD be programmed?

The VFD can be configured directly via its integrated keypad or through a PC using the INVT Workshop software with a USB-to-RS485 adapter, offering quick and convenient parameter setup.

4. Is the GD20-EU 0.37 kW VFD CE certified?

Yes, this model complies with CE, UL/cUL, and TÜV SÜD standards, ensuring conformity with international safety and performance requirements.

5. What control modes are supported by the GD20-EU 0.37 kW?

It supports several motor control modes:

  • V/F (voltage/frequency) control

  • Sensorless vector control (SVC)

  • Multi-speed control (up to 16 preset speeds)

  • PID, simple PLC, and MODBUS communication options

6. What is the STO (Safe Torque Off) feature?

The Safe Torque Off (STO) function disables the motor torque instantly in case of emergency or maintenance, preventing unintended rotation and ensuring operator safety.

7. What types of protection does the GD20-EU 0.37 kW include?

This model integrates protection against:

  • Overcurrent

  • Overvoltage and undervoltage

  • Overload

  • Overtemperature

These functions safeguard both the drive and the motor during operation.

8. Can energy consumption be monitored on the GD20-EU 0.37 kW?

Yes. The inverter includes an energy monitoring feature that displays total power consumption, helping operators track energy use directly on the device.

9. Does the GD20-EU 0.37 kW handle short power interruptions?

Yes. Its ride-through function allows the drive to continue operating briefly during power dips by utilizing regenerative energy — reducing downtime in sensitive applications.

10. Can several GD20-EU 0.37 kW drives be installed side by side?

Yes. The compact housing design allows side-by-side or DIN-rail mounting, making it ideal for control panels or machinery where space is limited.

Related Documents

Documentation for INVT GD20-EU 0.37 kW:

 

 

 

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