220-285kW (300-380HP) Three Phase Variable Frequency Drive VFD AC Frequency Inverter Heavy Duty Motor Speed Controller | Voltnex Power
Product Overview
Voltnex Power 220kW 250kW 285kW (300HP 340HP 380HP) Three Phase Variable Frequency Drive (VFD) AC Frequency Inverter is a high-capacity industrial motor control solution designed for heavy-duty machinery, large automation systems and continuous industrial operations.
This high-power VFD series is developed for applications requiring high torque output, precise speed regulation, stable frequency conversion and reliable long-term operation. Covering power ratings from 220kW to 285kW, equivalent to 300HP, 340HP and 380HP motor capacities, this series provides flexible solutions for large industrial motors used in manufacturing plants, mining systems, water treatment facilities, energy projects and heavy machinery applications.
Supporting global voltage standards including 208V, 220V, 380V, 400V, 415V, 440V and 480V AC, Voltnex Power VFD systems can be customized according to different countries, electrical networks and project requirements. The advanced frequency conversion technology enables smooth motor acceleration, adjustable operating speed, improved energy efficiency and reduced mechanical stress.
Compared with traditional motor starting methods, high-power variable frequency drives provide better control performance by adjusting motor frequency and output voltage according to actual load requirements. This helps reduce unnecessary energy consumption, improve equipment efficiency and extend the service life of motors and mechanical systems.
The Voltnex 220-285kW VFD adopts industrial-grade components, high-performance IGBT power modules, intelligent control systems and forced air cooling technology to ensure stable performance in demanding environments.
It is widely applied in:
- Mining equipment
- Steel processing machinery
- Large pumps
- Industrial compressors
- Production lines
- HVAC systems
- Conveyors
- Heavy automation equipment
As a professional China VFD manufacturer and industrial frequency inverter supplier, Voltnex Power provides factory direct pricing, OEM/ODM customization, engineering support and global export solutions for distributors, machine manufacturers and industrial customers worldwide.
Available Models & Power Range
| Model | Rated Power | Motor Capacity | Typical Application |
|---|---|---|---|
| 220kW VFD | 220kW | 300HP | Mining Conveyors, Large Pumps, Heavy Machinery |
| 250kW VFD | 250kW | 340HP | Industrial Production Lines, Compressors, Automation Systems |
| 285kW VFD | 285kW | 380HP | Heavy Industry Equipment, Steel Mills, Mining Systems |
Product Advantages
High Power Industrial Motor Control
The Voltnex 220-285kW Three Phase VFD is specifically designed for large industrial motors requiring reliable operation under heavy loads.
The advanced motor control system provides:
- High torque startup capability
- Smooth acceleration and deceleration
- Precise speed adjustment
- Stable operation under changing loads
- Reduced mechanical impact
- Improved motor efficiency
For heavy-duty equipment such as crushers, conveyors, compressors and pumps, stable motor control is essential for maintaining production efficiency and reducing downtime.
Voltnex high-power VFD technology helps industrial customers achieve better equipment control and optimized energy consumption.
Advanced Frequency Conversion Technology
The VFD uses advanced frequency conversion technology to control motor operation more efficiently.
Main functions include:
Variable Frequency Speed Regulation
The inverter adjusts output frequency according to operating requirements, allowing motors to operate at the most efficient speed.
Intelligent Motor Control
The control system continuously monitors motor operating conditions and provides accurate adjustment for different loads.
Energy Saving Operation
By avoiding unnecessary full-speed operation, the VFD reduces electricity consumption in variable-load applications.
Smooth Motor Starting
Traditional direct starting creates high current impact. The VFD provides controlled acceleration, reducing stress on motors and mechanical components.
Heavy Duty Industrial Design
The 220-285kW VFD series is designed for industrial environments where reliability and durability are critical.
The system includes:
- Industrial cabinet structure
- High-strength metal enclosure
- High-performance cooling system
- Reliable electrical connection design
- Professional protection functions
The robust design allows continuous operation in:
- Factory production environments
- Industrial control rooms
- Machine rooms
- Power distribution areas
- Heavy equipment installations
Key Technical Specifications
| Parameter | Reference Specification |
|---|---|
| Model | 220kW / 250kW / 285kW Three Phase Variable Frequency Drive |
| Power Range | 220kW / 250kW / 285kW (300HP / 340HP / 380HP) |
| Input Voltage | 208V / 220V / 380V / 400V / 415V / 440V / 480V AC Customized |
| Phase | Three Phase |
| Frequency | 50Hz / 60Hz |
| Motor Type | AC Induction Motor |
| Control Method | VFD Frequency Control / Vector Control Optional |
| Cooling Method | Forced Air Cooling |
| Protection | Over Voltage, Over Current, Overload, Short Circuit, Over Temperature Protection |
| Communication | RS485 / Modbus / Optional Industrial Communication |
Components & Material Design
| Component | Material / Design |
|---|---|
| Enclosure | Powder Coated Steel Cabinet for Industrial Protection |
| Power Module | High Performance IGBT Power Module |
| Control Board | Industrial Grade PCB Control System |
| Cooling System | Heavy Duty Cooling Fan System |
| Connection Terminal | Industrial Copper Terminal Connection |
Product Dimensions & Weight Reference
Due to the high power capacity of 220kW-285kW (300HP-380HP) Three Phase VFD, the product adopts a larger industrial cabinet structure compared with standard low-power inverters. The design is optimized for electrical room installation, heavy machinery integration and continuous industrial operation.
The cabinet size and weight may vary according to voltage configuration, enclosure design, cooling requirements and customized functions.
| Model | Reference Dimension (H×W×D) | Reference Weight |
|---|---|---|
| 220kW VFD | 1300-1500 × 700-850 × 500-650mm | 220-300kg |
| 250kW VFD | 1400-1600 × 750-900 × 550-700mm | 260-350kg |
| 285kW VFD | 1500-1700 × 800-950 × 600-750mm | 300-420kg |
Factory Price Reference
Voltnex Power provides factory direct pricing for global industrial customers, distributors and engineering projects. The final quotation depends on:
- Voltage configuration
- Control functions
- Communication requirements
- Cabinet customization
- Order quantity
- Shipping terms
The following prices are reference factory prices for standard configurations.
| Model | Motor Capacity | Factory Price Reference |
|---|---|---|
| 220kW VFD | 300HP | USD 9,000 – 14,000 / Unit |
| 250kW VFD | 340HP | USD 10,000 – 16,000 / Unit |
| 285kW VFD | 380HP | USD 12,000 – 18,000 / Unit |
Manufacturing Process & Factory Quality Control
Voltnex Power follows a professional manufacturing process to ensure every high-power VFD meets industrial reliability requirements.
1. Raw Material Inspection
Before production, all critical components are inspected, including:
- IGBT power modules
- Control boards
- Capacitors
- Cooling fans
- Electrical terminals
- Internal wiring components
Only qualified materials enter the production process.
2. Electrical Assembly
Experienced technicians assemble each VFD system according to industrial electrical standards.
Production includes:
- Power module installation
- Control board connection
- Internal wiring
- Cooling system assembly
- Terminal installation
- Cabinet structure integration
3. Parameter Configuration
Each VFD is configured according to customer requirements.
Configuration options include:
- Input voltage
- Motor parameters
- Frequency range
- Acceleration time
- Communication settings
- Protection parameters
4. Aging Test & Performance Testing
Before shipment, each unit undergoes professional testing procedures:
✔ Power-on test
✔ No-load operation test
✔ Parameter verification
✔ Protection function test
✔ Cooling performance test
✔ Load simulation test
This ensures stable operation after installation at customer sites.
Industrial Applications & Solutions
The Voltnex 220-285kW VFD series is designed for industries requiring high-power motor control and reliable frequency conversion solutions.
Mining Industry Power Solution
Mining equipment often requires motors operating under high load conditions.
Typical applications:
- Crushers
- Belt conveyors
- Mine ventilation fans
- Grinding equipment
- Material handling systems
Benefits
✔ High torque startup capability
✔ Stable heavy-load operation
✔ Reduced mechanical impact
✔ Improved energy efficiency
Voltnex high-power VFD solutions help mining operators improve equipment reliability and reduce operational costs.
Water Treatment & Pumping Systems
Large water facilities require accurate motor control for continuous pumping operations.
Applications:
- Water pumps
- Wastewater treatment
- Desalination systems
- Industrial circulation pumps
Advantages:
✔ Adjustable pump speed
✔ Reduced energy consumption
✔ Smooth starting performance
✔ Longer pump service life
Industrial Manufacturing Production Lines
Modern factories require precise motor synchronization and stable operation.
Applications:
- Automated production equipment
- Assembly lines
- Processing machinery
- Packaging systems
Benefits:
✔ Accurate speed control
✔ Improved production efficiency
✔ Reduced downtime
✔ Stable continuous operation
Steel & Metal Processing Industry
Steel production requires powerful motors capable of handling demanding loads.
Applications:
- Rolling mills
- Metal processing equipment
- Cutting machines
- Material handling systems
Advantages:
✔ High overload capability
✔ Stable torque output
✔ Reliable operation in harsh environments
Chemical Industry Applications
Chemical processing equipment often requires precise speed control.
Applications:
- Mixers
- Compressors
- Reactors
- Process pumps
Benefits:
✔ Precise process control
✔ Energy saving operation
✔ Stable production performance
Energy & Infrastructure Systems
High-power VFD systems are widely used in infrastructure projects.
Applications:
- Large ventilation systems
- Power plant auxiliary equipment
- Industrial fans
- Cooling systems
Advantages:
✔ Reliable long-term operation
✔ Efficient motor management
✔ Flexible control solutions
Marine & Port Equipment
Heavy-duty motors in marine environments require reliable speed control systems.
Applications:
- Marine pumps
- Cargo handling equipment
- Ventilation systems
- Port machinery
Benefits:
✔ Stable operation
✔ Customized voltage options
✔ Industrial-grade reliability
Renewable Energy Related Equipment
The VFD can be integrated into renewable energy supporting systems.
Applications:
- Cooling systems
- Pumping stations
- Auxiliary machinery
- Industrial energy systems
Advantages:
✔ Efficient energy utilization
✔ Flexible motor control
✔ Reliable operation
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