Front view of 30kW 3-phase 400V VFD from INVT GD350A series
Front view of 30kW 3-phase 400V VFD from INVT GD350A series
Right-side view of INVT GD350A 30kW VFD 400V
Left-side view of 30kW INVT VFD GD350A for 3-phase 400V applications
Top view of 30kW 3-phase VFD from INVT GD350A series
Bottom view of 30kW 400V INVT GD350A inverter

INVT GD350A 30 kW VFD | 400 V 3-Phase Inverter (Dual-Rating)

CHF 1,175.00 excl. VAT, free Shipping

  • Power Rating: 30 kW (Normal Duty) / 22 kW (Heavy Duty)

  • Voltage: Three-phase 400V AC

  • Control Modes: Vector Control (VC), Sensorless Vector Control (SVC), Torque & I/F Control

  • High Starting Torque: Up to 200% at 0 Hz for synchronous motors

  • Precision: Speed control accuracy ±0.02%, position accuracy ±1 pulse

  • Safety Built-In: Safe Torque Off (STO) and over 30 protection functions

  • Energy Efficiency: Built-in regenerative braking and EMC filter

  • Connectivity: Modbus RTU, optional CANopen, Profibus, Profinet

  • IoT Ready: Optional Bluetooth/WiFi remote monitoring via INVT app

  • Custom Automation: 128kB PLC memory and USB-based data transfer

  • Expandable Design: 3 expansion slots for communication, I/O, and PLC cards

  • Applications: Suitable for pumps, HVAC, conveyors, packaging, textiles, and industrial automation

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SKU: GD350A-022G/030P-4 Category: Tag:

Description

The INVT GD350A 30 kW inverter (dual rating: 30 kW Normal Duty, 22 kW Heavy Duty) provides precise torque control, integrated STO safety, and advanced communication interfaces. This specific model is designed for demanding industrial and commercial equipment such as pumps, conveyors, compressors, HVAC systems, and other automated machinery requiring reliable, efficient motor control.

Key Specifications

  • Power Rating: 30 kW (Normal Duty) / 22 kW (Heavy Duty)

  • Voltage: 3-Phase 400V AC

  • Control Modes: Advanced I/F, SVC (Sensorless Vector Control), VC (Vector Control), and torque control

  • Starting Torque:

    • Asynchronous: 0.25 Hz / 150%

    • Synchronous: Up to 0 Hz / 200%

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

  • Position Accuracy: ±1 pulse

Outstanding Motor Control & Tuning

The INVT GD350A 30 kW delivers precise motor control and high torque performance even at low speeds, thanks to its intelligent vector algorithms. Whether you’re using asynchronous or synchronous motors, the auto-tuning feature ensures optimal parameter configuration, reducing energy waste and enhancing response.

Reliable Performance with Built-In Safety

  • Safe Torque Off (STO): Integrated safety mechanism for emergency stop and operator protection

  • Overload Endurance:

    • 150% for 1 min

    • 180% for 10 s

    • 200% for 1 s

  • Intelligent Fault Prevention: Minimizes shutdowns by suppressing overvoltage stalls and overcurrent during start-up

  • 30+ Protection Functions: Including phase loss, overheating, short circuit, and undervoltage

Braking, Power Quality & Energy Efficiency

  • Built-in Regenerative Braking: Efficient energy recovery during deceleration cycles

  • Flexible Braking Options: DC, dynamic, magnetic, and short-circuit braking

  • Integrated EMC Filter (C3): Suppresses EMI without external components

  • Integrated DC Reactor: Reduces harmonic distortion and improves power factor for enhanced energy efficiency and better input current quality

  • Rotating Speed Tracking: Ensures smooth switching and restart without current shock

Industrial Networking & Control Interfaces

  • Built-in Modbus RTU with options for CANopen, Profibus-DP, and Profinet

  • Optional Bluetooth/WiFi Cards: Enables wireless configuration and monitoring via INVT-Workshop App (up to 30m range)

  • USB Port: Easy upload/download of parameters and data analysis

  • Digital & Analog I/O:

    • 4 digital inputs, 2 high-speed pulse inputs

    • 2 analog inputs, 2 analog outputs

    • 2 relay outputs, 1 digital output

    • 2x HDI ports for high-resolution encoder signals

User-Centric Design & Expandability

  • LCD Display: Intuitive multi-language panel for easy setup and monitoring

  • 128kB PLC Program Memory: Custom logic with simple ladder programming

  • Expandable Design: 3 optional slots for communication, feedback, I/O, and PLC modules

  • Remote Access Capabilities: USB-RS485, Ethernet, and cloud connectivity (UDP/MQTT)

Applications Across Industries

The GD350A 30 kW is designed for a wide range of industrial applications:

  • Industrial pumps and HVAC systems

  • Conveyors and textile machinery

  • Packaging and food processing

  • Machine tools and automation

  • Renewable energy and water treatment

Why Choose the INVT GD350A 30kW?

  • Dual-duty rating for versatile performance

  • Superior torque at low speed

  • Built-in safety, braking, and communication features

  • Expandable and IoT-ready architecture

  • Ideal for demanding industrial and HVAC environments

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 30
Rated Current 60
G (Heavy Duty) Motor Rated Power 22
Rated Current 45
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 integriert
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 200 mm x 340.6 mm x 208 mm / 10.5 kg

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FAQ

Q: What is the difference between Normal Duty and Heavy Duty ratings?
A: The INVT GD350A 30 kW (400 V 3-Phase) inverter has two power ratings: 30 kW Normal Duty for light to moderate loads, and 22 kW Heavy Duty for high starting torque or frequent starts/stops. This dual rating allows precise alignment with specific load requirements and industrial applications.

Q: Is the GD350A 30 kW compatible with both asynchronous and synchronous motors?
A: Yes. The GD350A 30 kW supports both asynchronous (induction) and synchronous motors. Its automatic motor tuning ensures optimal performance, accurate torque control, and high efficiency across the full speed range.

Q: Can the GD350A 30 kW be used for HVAC applications?
A: Absolutely. This model is ideal for HVAC systems, including fans, pumps, and compressors. It provides precise motor control, high starting torque, energy efficiency, and safety features like STO and integrated regenerative braking.

Q: Which communication protocols does the GD350A 30 kW support?
A: By default, the GD350A 30 kW supports Modbus RTU. Optional expansion cards enable integration with CANopen, Profibus-DP, Profinet, and other industrial networks for seamless connection to PLCs, SCADA, or building automation systems.

Q: Does the GD350A 30 kW support remote monitoring?
A: Yes. With optional Bluetooth or Wi-Fi modules, the GD350A 30 kW can be monitored and configured remotely via the INVT-Workshop app, allowing convenient wireless access within a 30-meter range.

Q: What protections are built into the GD350A 30 kW?
A: The GD350A 30 kW includes over 30 protection features, such as overcurrent, overvoltage, undervoltage, phase loss, overheating, and overload protection (up to 200% for 1 second). It also features Safe Torque Off (STO) for compliance with safety standards.

Q: Can the GD350A 30 kW handle regenerative braking applications?
A: Yes. This model has a built-in regenerative braking chopper to safely dissipate or recycle energy during motor deceleration, reducing the need for external braking resistors.

Q: What is the starting torque capability of the GD350A 30 kW?
A: The GD350A 30 kW provides high starting torque: 150% torque at 0.25 Hz for asynchronous motors, and up to 200% torque at 0 Hz for synchronous motors. It is ideal for high-inertia applications like conveyors, extruders, and lifts.

Q: Is the GD350A 30 kW easy to set up and program?
A: Yes. The GD350A 30 kW features an intuitive LCD panel, USB-based configuration, and 128 kB of programmable PLC memory for custom logic. It allows quick commissioning, parameter backup, diagnostics, and curve analysis.

Related Documents

Documentation for INVT GD350A 3-Phase 400V 30 kW:

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