INVT GD350A 11 kW VFD | 400 V 3-Phase Inverter (Dual-Rating)
CHF 655.00 excl. VAT, free Shipping
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Power Rating: 11kW (Normal Duty) / 7.5kW (Heavy Duty)
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Input Voltage: 3-phase 400V AC
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Advanced Control: ±0.02% speed accuracy (VC), high torque at low speed
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Auto Motor Tuning: For asynchronous and synchronous motors
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Multi-Motor Control: Optimized for complex drive systems
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Flexible I/O Interfaces: Digital, analog, pulse, relay, and HDI
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Modular Expansion: Slots for I/O, PLC, feedback, and fieldbus cards
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Communication: Modbus RTU/TCP, CANopen, Profinet, Profibus, BACnet (via add-ons)
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Wireless Ready: Bluetooth/WiFi support for mobile control (INVT Workshop app)
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Integrated Brake Chopper: Ensures safe and efficient braking
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STO Safety: Safe Torque Off for secure motor shutdown
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30+ Protections: Against overvoltage, overload, overheating, etc.
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Applications: HVAC, pumps, conveyors, machine tools, packaging, renewable energy
In stock
Description
The INVT GD350A 11 kW 400 V 3-Phase Dual-Rating VFD (HD/ND) is engineered for demanding industrial applications requiring precise motor control and flexible automation. With sensorless vector control, support for asynchronous and synchronous motors, integrated STO safety function, and expandable communication interfaces, the GD350A 11 kW delivers reliable, high-performance operation for pumps, fans, conveyors, and other heavy-duty machinery.
Key Features of the INVT GD350A 11 kW 400 V 3-Phase
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Power Rating: 11 kW (Normal Duty) / 7.5 kW (Heavy Duty)
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Voltage Supply: 3-phase 400 V AC
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Motor Compatibility: Suitable for asynchronous and synchronous motors
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Safe Torque Off (STO): Built-in safety function
Intuitive Setup & User Interface
The INVT GD350A 11 kW features a multi-line LCD display and multi-language interface for easy commissioning. Configure, monitor, and adjust parameters using the built-in display or INVT Workshop software for PC-based programming.
Precision Motor Control
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Speed Accuracy: ±0.2% (SVC), ±0.02% (VC)
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Starting Torque: 0.25 Hz / 150% (async), 0 Hz / 200% (sync, VC)
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Torque Control Accuracy: 10% (SVC), 5% (VC)
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Positioning Accuracy: ±1 pulse
Customizable Expansion & Interface Flexibility
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Expansion Slots: 3 slots for optional I/O, feedback, PLC, or communication cards (CAN, CANopen, Modbus TCP, Profinet, Profibus, BACnet, etc.)
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Interface Ports: 4 digital inputs, 2 pulse inputs, 2 analog inputs, 2 analog outputs, 2 relay outputs
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High-Density Interfaces (HDIs): For high-speed and pulse control
Advanced Braking & Regeneration
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Supports DC, magnetic, dynamic, and short-circuit braking
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Integrated regenerative braking for energy reuse
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Smooth DC braking for elevators, conveyors, and heavy-duty applications
Energy Efficiency & Power Loss Recovery
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Keeps motors running during short power interruptions
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Prevents overvoltage and overcurrent stalls
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Optimizes voltage & current flow for safe and efficient operation
Auto Motor Tuning & Multi-Motor Control
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Automatic tuning for asynchronous and synchronous motors
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Supports multi-motor control for systems with varied speed and torque demands
Full Protection Suite
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Over 30 built-in protections: overvoltage, undervoltage, overcurrent, phase loss, overload, overheating
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Includes Safe Torque Off (STO) for secure motor shutdown
IoT & Communication Integration
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Connect via USB, RS485, or Ethernet
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Optional Bluetooth/WiFi for wireless programming through INVT Workshop app
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Supports remote monitoring via cloud systems (UDP/MQTT)
Wide-Ranging Industrial Applications
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Pumps & fans
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HVAC systems
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Conveyors & packaging lines
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Textile & printing machines
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Machine tools & CNC systems
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Renewable energy and industrial automation environments
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 (Normal Duty) | Motor Rated Power | kW | 11 |
| Rated Current | A | 23 | |
| G (Heavy Duty) | Motor Rated Power | kW | 7,5 |
| Rated Current | A | 18,5 | |
| 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 | ||
| Dimensions | 146 mm x 256 mm x 192 mm | ||
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FAQ
Q1: Which motors are compatible with the INVT GD350A 11 kW 400 V 3-Phase (Dual-Rating)?
The INVT GD350A 11 kW 400 V supports asynchronous (induction) and synchronous motors, with automatic motor parameter tuning for optimal performance in both HD and ND modes.
Q2: Can the INVT GD350A 11 kW’s functionality be expanded?
Yes, this VFD features modular expansion slots for additional I/O, PLC, communication, and feedback cards, allowing you to customize it for complex industrial applications.
Q3: What communication protocols are supported by the GD350A 11 kW?
Standard support includes Modbus RTU, while optional expansion cards enable CANopen, Profinet, Profibus, BACnet MS/TP, and Modbus TCP.
Q4: Does the GD350A 11 kW support wireless control?
Yes, with optional Bluetooth or WiFi communication cards, you can monitor and control the drive remotely via the INVT Workshop app.
Q5: How does the integrated brake chopper work on the GD350A 11 kW?
The brake chopper safely dissipates excess energy during motor deceleration, protecting the drive and enhancing braking performance.
Q6: Is the GD350A 11 kW 400 V safe to operate?
Absolutely. It includes Safe Torque Off (STO) and over 30 protection mechanisms such as overcurrent, overvoltage, undervoltage, and overheating protection.
Q7: Can the GD350A 11 kW handle power interruptions?
Yes, the drive maintains operation during short power losses by efficiently utilizing stored energy.
Q8: What are the main applications for the INVT GD350A 11 kW 400 V?
This VFD is ideal for industrial pumps, HVAC systems, conveyors, machine tools, packaging lines, textile mills, food processing, and renewable energy systems, supporting both HD and ND applications.
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