INVT GD350A 110 kW VFD | 400 V 3-Phase Inverter (Dual-Rating)

CHF 3,465.00 excl. VAT, free Shipping

  • Dual power rating: 110 kW (Normal Duty) / 90 kW (Heavy Duty) for flexible industrial use

  • Compatible with three-phase 400V motor systems

  • Advanced low-speed torque control for precise motor performance

  • Automatic motor tuning for asynchronous and synchronous motors

  • Integrated Safe Torque Off (STO) for operator safety

  • Supports overload currents up to 200% for 1 second for reliable operation

  • Multiple braking modes including dynamic, DC, magnetic, and regenerative braking

  • High precision speed and position control with ±0.02% speed accuracy

  • Intelligent fault prevention and voltage/current stability algorithms

  • Extensive connectivity options: Modbus RTU standard; optional CAN, Profibus DP, Profinet

  • Wireless remote control via optional Bluetooth/WiFi with INVT-Workshop app

  • User-friendly LCD control panel and flexible PLC programming

  • Expandable with multiple I/O, communication, and feedback cards

  • Ideal for heavy industrial applications: pumps, conveyors, HVAC, packaging, machine tools

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Description

The INVT GD350A 110 kW variable frequency drive (VFD) delivers advanced motor control and high efficiency for industrial environments. With dual power ratings — 110 kW for Normal Duty and 90 kW for Heavy Duty — the GD350A 110 kW provides precise performance for pumps, conveyors, compressors, and HVAC equipment.

Built for reliability, the GD350A 110 kW combines vector control accuracy, robust protection features, and flexible communication interfaces to meet the needs of modern automation systems.


Key Specifications

  • Power Rating: 110 kW (Normal Duty) / 90 kW (Heavy Duty)

  • Rated Voltage: 3-Phase 400V AC

  • Control Modes: Advanced I/F control & constant current source for superior low-speed torque performance


Powerful Torque & Precision Motor Control

The GD350A 110 kW delivers strong, stable torque even at very low speeds, enabling smooth operation for heavy-duty motors in demanding environments. Featuring automatic motor tuning optimized for both asynchronous and synchronous motors, it minimizes effects such as skin effect and maximizes efficiency, speed, and torque precision.


Robust Stability & Safety Protections

  • Voltage & Current Stability: Intelligent algorithms prevent overvoltage during deceleration and overcurrent during acceleration, minimizing fault triggers and ensuring smooth motor performance.

  • Integrated Safe Torque Off (STO): Complies with international machinery safety standards by enabling immediate power cut-off for operator protection.

  • Uninterrupted Operation: Maintains motor function during short power interruptions by leveraging stored energy, critical for continuous industrial processes.

  • Integrated DC Reactor: Built-in to reduce harmonic distortion, improve power factor, and enhance system reliability

High Overload & Braking Endurance

  • Overload Capacity: Supports up to 150% current for 1 minute, 180% for 10 seconds, and 200% for 1 second, guaranteeing reliable performance under fluctuating load demands.

  • Multiple Braking Modes: Dynamic, DC, magnetic, short-circuit braking plus built-in regenerative braking that recycles braking energy, improving system efficiency and reducing overall energy costs.


Precision Control & Low Noise Operation

  • Position Control Accuracy: ±1 pulse for precise actuator and motor positioning.

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

  • Starting Torque: Asynchronous motors up to 0.25 Hz/150%; synchronous motors up to 0 Hz/200%.

  • Digital Noise Filtering: Advanced DSP technology ensures stable signals in electrically noisy industrial environments.


Advanced Connectivity & Intelligent Features

  • Industrial Network Support: Standard Modbus RTU with optional CAN, Profibus DP, and Profinet modules.

  • Wireless IoT Control: Optional Bluetooth or WiFi modules enable remote management and monitoring through the INVT-Workshop mobile app within a 30-meter range.

  • Flexible I/O Interfaces: 4 digital inputs, 2 high-speed pulse inputs, 2 analog inputs, relay outputs, and analog outputs for seamless integration into existing control systems.

  • User-Friendly LCD Control Panel: Intuitive interface with multilingual support simplifies setup and ongoing operation.


Expandability & Customization

  • Flexible Expansion Slots: Three slots for optional PLC, communication, feedback, and I/O extension cards.

  • Tailor-Made PLC Programming: 128kB program memory supports custom automation logic.

  • Data Management: USB port for quick data transfer and diagnostic curve analysis.

  • Flexible PC Connectivity: USB-RS485 adapter, Ethernet, or cloud access with UDP/MQTT protocols for comprehensive remote control.


Ideal Applications

The GD350A 110 kW is designed for heavy industrial use including pumps, HVAC systems, conveyors, packaging machines, machine tools, textile manufacturing, food processing, and renewable energy solutions, delivering enhanced productivity, efficiency, and safety.


Why Choose the INVT GD350A 110 kW VFD (Dual-Rating)?

The INVT GD350A 110 kW delivers precise motor control, high overload capacity, and versatile connectivity for demanding industrial environments. Its intelligent safety features, vector control, and flexible communication options make it ideal for pumps, conveyors, compressors, and HVAC systems. Compact yet powerful, the GD350A 110 kW ensures reliable performance and efficiency across a wide range of applications.


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

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 (Normal Duty) Motor Rated Power 110
Rated Current 215
G (Heavy Duty) Motor Rated Power 90
Rated Current 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 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 Optional
EMC Filter Integrated IEC61800-3 C3; IEC61800-3 C1 & C2 optional
DC Reactor Integrated
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
Dimensions / Weight 338 mm x 554 mm x 330 mm / 52 kg

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FAQ

1. What is the power rating of the INVT GD350A 110 kW VFD?
The INVT GD350A 110 kW has a dual rating: 110 kW for Normal Duty and 90 kW for Heavy Duty. It is designed for industrial motors operating on three-phase 400 V systems, ensuring versatile performance across demanding applications.

2. Which motors are compatible with the GD350A 110 kW?
This VFD supports both asynchronous (induction) and synchronous motors. Automatic motor tuning ensures optimized efficiency and torque for all supported motor types.

3. Can the GD350A 110 kW handle low-speed applications?
Yes. The drive provides advanced low-speed torque control, delivering stable torque even at very low speeds, ideal for pumps, conveyors, and heavy machinery.

4. What safety features are included?
The INVT GD350A 110 kW integrates Safe Torque Off (STO) for immediate motor power cutoff, ensuring operator safety and compliance with international safety standards.

5. How does it protect the motor during overload?
It allows for overload endurance of 150% for 1 minute, 180% for 10 seconds, and 200% for 1 second, enabling reliable operation under variable load conditions without tripping.

6. What braking methods are available?
Supports dynamic braking, DC braking, magnetic braking, short-circuit braking, and includes a built-in regenerative brake to improve energy efficiency.

7. How precise is speed and position control?

  • Speed control: ±0.2% (SVC mode) / ±0.02% (VC mode)

  • Position control: ±1 pulse
    Ensuring accurate motor operation in demanding applications.

8. Which communication protocols are supported?

  • Standard: Modbus RTU

  • Optional modules: CAN, Profibus DP, Profinet
    Provides seamless integration into modern industrial automation systems.

9. Is wireless monitoring available?
Yes. Optional Bluetooth and WiFi modules allow remote monitoring and control via the INVT-Workshop mobile app, with a range up to 30 meters.

10. How easy is programming and operation?
Features an LCD control panel with multi-language support, flexible PLC programming (128 kB memory), and USB connectivity for configuration, monitoring, and diagnostics.

11. Can it handle short power interruptions?
Yes. The GD350A 110 kW can maintain motor operation during brief outages using stored energy — ideal for continuous industrial processes.

12. Which industries commonly use it?
Applications include:

  • Industrial pumps and HVAC systems

  • Conveyor belts and packaging machinery

  • Textile, food processing, and renewable energy systems

13. How does regenerative braking benefit my system?
The built-in regenerative brake recycles energy during motor deceleration back into the power system, improving efficiency, reducing heat, and minimizing equipment wear.

Documentation for INVT GD350A 3-Phase 400V 110 kW:

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