INVT GD350A 7.5 kW VFD | 400 V 3-Phase Inverter (Dual-Rating)

Description

The INVT GD350A 7.5 kW (400 V 3-phase) dual-rating drive is designed for demanding industrial applications requiring precise motor control and high reliability. Supporting both asynchronous and permanent magnet synchronous motors, it features vector control, integrated STO safety, EMC filtering, and optional braking units. With flexible communication options and PID/PLC functionality, the GD350A 7.5 kW ensures seamless integration into complex automation systems.

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GD350A 7.5 kW Power & Motor Control

• Power Rating: 7.5 kW (Normal Duty) / 5.5 kW (Heavy Duty)

• Voltage Supply: 400 V ±15%, 3-phase

• Motor Compatibility: Asynchronous and synchronous motors

• Control Methods: Sensorless vector control (SVC), V/f, I/F control

• Starting Torque: Up to 150% at 0.5 Hz for reliable motor startup

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

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Advanced Safety & Protection

• Overvoltage/Overcurrent Management: Dynamic output adjustments during acceleration/deceleration

• Safe Torque Off (STO): Disables motor power for operator safety

• Overload Capacity: Up to 200% of rated current

• Power Loss Handling: Maintains motor operation with regenerative energy during short outages

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Low-Speed & Noise Control

• Digital Noise Filtering: Reduces interference for stable operation

• Auto Motor Tuning: Optimizes torque and response automatically

• Low-Speed Control: Maintains strong torque even at low RPMs, ideal for conveyors and elevators

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Communication & I/O Options

• Built-in Protocols: Standard Modbus RTU

• Optional Interfaces: Profibus-DP, CAN, Profinet

• Wireless Control: Bluetooth/WiFi add-on cards (up to 30 m range)

• I/O Configuration:

  • 4 digital inputs

  • 2 high-speed pulse inputs

  • 2 analog inputs

  • 2 relay outputs

  • 1 high-speed pulse output

  • 2 analog outputs

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Braking & Energy Efficiency

• Integrated Braking Chopper: Reduces current shock during deceleration and protects the motor.

• Built-in EMC Filters: Minimize electromagnetic interference without external components, ensuring stable operation in industrial environments.

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User-Friendly Operation & Monitoring Features

• Quick USB Access: Fast parameter configuration and data logging via USB.

• INVT Workshop Software: PC-based control via USB-RS485, Ethernet, or cloud protocols (UDP/MQTT).

• Multi-Language LCD Display: Real-time monitoring and intuitive setup, reducing commissioning time.

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Multi-Motor & Positioning Control

• Multi-Motor Operation: Control multiple asynchronous motors simultaneously.

• Positioning Accuracy: ±1 pulse — ideal for CNC, packaging, and automation systems requiring precise motion.

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Ideal Applications for GD350A 7.5 kW

• Industrial Pumps

• HVAC Systems

• Conveyor Belts

• CNC & Machine Tools

• Packaging Machinery

• Textile Equipment

• Material Handling Systems

• Food & Beverage Processing

• Renewable Energy Systems

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Why Choose the INVT GD350A 7.5 kW ?

• Unmatched precision, flexibility, and safety for demanding motor control tasks.

• Reliable performance for fluid control, automated production, and material movement.

• Stable and consistent operation even in heavy-duty or variable-load environments.

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

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