INVT GD350A 2.2 kW VFD | 400 V 3-Phase Inverter (Dual-Rating)

CHF 325.00 excl. VAT, free Shipping

  • Power rating: 2.2 kW (normal duty) / 1.5 kW (heavy duty)

  • Input voltage: 3-phase 400V AC

  • Compatible with asynchronous and synchronous motors

  • Control modes: V/F, sensorless vector control (SVC), full vector control (VC)

  • Built-in braking options: dynamic, DC, magnetic, and short-circuit braking

  • Motor auto-tuning for both asynchronous and synchronous motors

  • Smooth speed tracking across different control modes

  • Integrated Safe Torque Off (STO) safety function

  • Speed control precision: ±0.2% (SVC), ±0.02% (VC)

  • Starting torque up to 200% at 0 Hz (VC mode)

  • Communication interfaces: RS485 (Modbus), Ethernet, WiFi, Bluetooth

  • PC software: INVT Workshop for USB, Ethernet, or cloud connection

  • Expandable with optional PLC, I/O, and feedback modules (3 slots available)

  • IoT-ready for remote monitoring and control via PC or mobile app

  • LCD display with multi-line, multi-language interface and directory navigation

  • Advanced digital filtering for noise immunity in industrial environments

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

  • Over 30 built-in fault protection features

  • USB interface for data backup and parameter transfer

  • Suitable for HVAC systems, pumps, conveyors, and other industrial applications requiring high torque at low speeds_

TUV SUD.png ce mark.png thumb rohs compliant removebg preview.png

______

In stock

Description

The INVT GD350A 2.2 kW 400 V 3-phase (Dual-Rating)  is specifically designed for precise control of asynchronous and permanent magnet motors. With integrated STO safety, braking unit, and flexible digital interfaces, The GD350A 2.2 kW ensures reliable and energy-efficient operation in demanding industrial applications such as pumps, fans, conveyors, and automation systems.


Key Features of INVT GD350A 2.2 kW 400 V 3-Phase (Dual-Rating)

Power & Input

  • Power Rating: 2.2 kW (Normal Duty) / 1.5 kW (Heavy Duty)

  • Input Voltage: 3-phase 400 V AC

  • Suitable for both asynchronous and synchronous motors

Control & Performance

  • Control Modes: V/F, SVC, VC

  • Speed Control Accuracy: ±0.2% (SVC), ±0.02% (VC)

  • Starting Torque:

    • Asynchronous: 0.25 Hz / 150% (SVC)

    • Synchronous: 2.5 Hz / 150% (SVC), 0 Hz / 200% (VC)

  • Torque Control Accuracy: ±10% (SVC), ±5% (VC)

Braking & Motor Safety

  • Integrated Braking Chopper for efficient deceleration without external components

  • Dynamic, DC, Magnetic, and Short-Circuit Braking for various industrial loads

  • Reliable operation even in frequent start/stop cycles

Protection & Reliability

  • Overvoltage, Overcurrent, Stall Protection during acceleration and deceleration

  • 30+ fault protections: phase loss, overheat, overload, under-voltage

  • Safe Torque Off (STO) for certified safety shutdown

Control & Monitoring Capabilities

  • Motor Auto-Tuning for precise performance with both motor types

  • Accurate Speed Tracking to reduce shocks during transitions

  • Position Control Accuracy: ±1 pulse

  • Advanced Digital Filtering for robust anti-interference

  • IoT-ready: remote monitoring and control via PC or smartphone

Communication & Remote Control

  • Built-in RS485 with Modbus® RTU/ASCII for seamless integration

  • Optional Communication Cards: Ethernet®, CANopen, Bluetooth, Wi-Fi

  • USB Interface: for backup, parameter setting, and application curve recording

  • INVT-Workshop Software: PC connection via USB-RS485 adapter; cloud connectivity via UDP/MQTT

  • Multi-line LCD Display: multi-language, directory-indexed navigation for easy configuration

Inputs, Outputs & Expansion

  • Digital Inputs: 4 standard, plus 2 high-speed pulse inputs

  • Analog Inputs: 2 for voltage/current signals

  • Outputs: 1 digital, 1 high-speed pulse, 2 analog, 2 relays

  • 3 Expansion Slots: support additional I/O, PLC, feedback, or communication modules

  • Integrated C3 EMC Filter for industrial noise immunity

Operation During Power Interruptions

  • Utilizes residual energy to maintain operation during brief outages

  • Ensures minimal downtime and continuous motor control

Typical Applications for INVT GD350A 2.2 kW 400 V

  • HVAC systems: fans, compressors

  • Pumps and blowers for water/wastewater or industrial fluids

  • Conveyors, textile machinery, and automated production lines

  • Packaging, printing, and food processing equipment

  • Applications requiring high torque at low speed or multi-motor control


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

 

_

Additional information

Brake Chopper

Communication Protocols

Ethernet/IP, Profinet, CAN Master/Slave, etc. (extension card is needed), Modbus RTU & ASCII

Control Methods

SVPWM, SVC (Sensorless Vector Control), VC (Vector Control with Encoder)

Dual Rating Capability

Dual Rating

EMC Filter

Input Voltage

Motor Compatibility

Asynchronous Motors, Synchronous motors

Mounting Type

Wall and Flange Mounting

Safety Features

User Interface

Multi-function LCD keypad

Specification

 

 

P (ND) Motor Rated Power kW 2.2
Rated Current A 5
G (HD) Motor Rated Power kW 1.5
Rated Current A 3,7
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 in G setting (Heavy Duty), 120% for 60s in P setting (Normal Duty)
Output Frequency 0 … 590 Hz
Control Inputs Analog 2 inputs (AI1: 0 … 10 V / 0(4) … 20 mA; AI2: -10 … 10 V), optionally expandable
Digital: 6 programmable inputs, including 2 high-speed inputs (50 kHz) for speed setpoint or actual value via incremental or pulse encoders, optionally expandable
Control Outputs Analog 1 programmable output 0 … 10 V / 0(4) … 20 mA, optionally expandable
Digital: 2 programmable outputs, one of them high-speed (50 kHz), potential-free, optionally expandable
Relays: 2 programmable changeover contacts (NO/NC), optionally expandable
Interfaces RS485 (terminals) as standard, up to 3 freely configurable option interfaces for communication modules, terminal expansions, feedbacks, and PLC cards
Brake Chopper Integrated
EMC Filter Integrated IEC61800-3 C3; IEC61800-3 C1 & C2 optional
DC Reactor
Safety Functions Two-channel STO (Safe Torque Off) (IEC61800-5-2, SIL2, PL “d”)
Protection Rating IP20, optional IP55
Ambient Temperature -10°C … +50°C; power reduction required if ambient temperature exceeds +40°C, air cooling
Certification CE, TÜV

 

_

FAQ

Q1: What types of motors can the INVT GD350A 2.2 kW 400 V 3-phase control?
A1: The INVT GD350A 2.2 kW 400 V 3-phase supports both asynchronous (induction) and synchronous (permanent-magnet) motors. It provides V/F, sensorless vector (SVC), and full vector (VC) control modes for precise speed and torque management in industrial applications.

Q2: Can the GD350A 2.2 kW 400 V inverter be used for HVAC, pumps, or conveyors?
A2: Yes. The GD350A 2.2 kW 400 V 3-phase is ideal for HVAC systems, pumping stations, conveyor belts, compressors, and other industrial equipment requiring high torque at low speeds.

Q3: Does the INVT GD350A 2.2 kW VFD support braking functions?
A3: Absolutely. The GD350A 2.2 kW 400 V features dynamic braking, DC braking, magnetic braking, and short-circuit braking. Its integrated brake chopper ensures rapid and safe stops without external hardware.

Q4: Is the GD350A 2.2 kW suitable for industrial environments with electrical noise?
A4: Yes. The 2.2 kW 400 V GD350A integrates a C3 EMC filter and advanced digital noise filtering to provide reliable operation even in high-interference industrial environments.

Q5: What overload capacity does the GD350A 2.2 kW 400 V 3-phase VFD offer?
A5: The GD350A 2.2 kW 400 V supports 150 % overload for 1 minute, 180 % for 10 seconds, and 200 % for 1 second, ensuring dependable operation during short-term load peaks.

Q6: Can the GD350A 2.2 kW 400 V be monitored or controlled remotely?
A6: Yes. Using optional Wi-Fi or Bluetooth communication cards along with INVT Workshop software, you can configure and monitor the 2.2 kW 400 V VFD from a PC, smartphone, or cloud system.

Q7: How precise is speed and torque control on the GD350A 2.2 kW 400 V inverter?
A7: The GD350A 2.2 kW 400 V achieves speed accuracy of ±0.2 % (SVC) or ±0.02 % (VC) and torque accuracy of ±10 % (SVC) or ±5 % (VC), ensuring high-precision motor control.

Q8: Which communication interfaces are available on the GD350A 2.2 kW 400 V?
A8: Standard communication is via RS-485 with Modbus RTU. Optional expansion cards provide Ethernet, CANopen, and Modbus TCP connectivity for integration into industrial networks.

Q9: Is motor tuning complicated on the GD350A 2.2 kW 400 V VFD?
A9: No. The 2.2 kW 400 V GD350A features automatic motor tuning for both asynchronous and synchronous motors, simplifying setup and maximizing performance.

Q10: What type of display does the INVT GD350A 2.2 kW 400 V use?
A10: The VFD includes a multi-line LCD display with multi-language menus and directory-based navigation, enabling quick configuration and monitoring.

Documentation for INVT GD350A 2.2 kW 400 V 3-phase:

 

 

 

__