7.5-11kW (10-15HP) Three Phase VFD Variable Frequency Drive AC Inverter Motor Controller
Product Overview
Voltnex Power 7.5-11kW (10-15HP) Three Phase Variable Frequency Drive (VFD) is a high-performance industrial motor control solution designed for precise speed regulation, energy-efficient operation and reliable automation applications.
This VFD series covers the most commonly used industrial motor power range, including:
- 7.5kW VFD
- 9.2kW VFD
- 11kW VFD
Equivalent motor ratings:
- 10HP VFD
- 12.5HP VFD
- 15HP VFD
Designed for worldwide industrial electrical standards, this Three Phase AC Frequency Inverter supports multiple voltage configurations including:
208V / 220V / 380V / 400V / 415V / 440V / 480V AC
The Voltnex VFD series provides smooth motor starting, adjustable frequency control, accurate speed regulation and comprehensive protection functions for industrial machinery, factory automation systems and electrical equipment.
As a professional China VFD manufacturer and factory supplier, Voltnex Power provides OEM/ODM customization, factory direct pricing and global export solutions for distributors, machine builders and industrial users worldwide.
Key Technical Specifications
| Parameter | Reference Specification |
|---|---|
| Product Type | Three Phase Variable Frequency Drive (VFD) / AC Drive / Frequency Inverter |
| Rated Power | 7.5kW – 11kW |
| Motor Capacity | 10HP – 15HP |
| Input Voltage | 208V / 220V / 380V / 400V / 415V / 440V / 480V AC Customized |
| Output Voltage | Adjustable Three Phase AC Output According to Motor Requirements |
| Frequency Range | 50Hz / 60Hz Adjustable Frequency Control |
| Control Method | V/F Control, Vector Control Optional |
| Motor Type | AC Induction Motor / Industrial Motor |
| Cooling Method | Forced Air Cooling |
| Installation Method | Wall Mounted / Electrical Control Cabinet Installation |
| Communication | RS485 Modbus Communication Optional |
| Protection Functions | Over Voltage, Under Voltage, Over Current, Overload, Short Circuit and Over Temperature Protection |
| Application | CNC Machines, Industrial Automation, Pumps, Fans, Compressors, Conveyors and Manufacturing Equipment |
| Customization | OEM / ODM Manufacturing Service Available |
Available Models & Power Range
| Model Range | Reference Specification |
|---|---|
| Power Range | 7.5kW – 11kW Three Phase VFD Series |
| Available Models | 7.5kW VFD / 9.2kW VFD / 11kW VFD |
| Equivalent Motor Power | 10HP / 12.5HP / 15HP |
| Phase | Three Phase AC Drive |
| Product Type | Variable Frequency Drive (VFD) / AC Frequency Inverter / Variable Speed Drive |
| Typical Applications | CNC Machines, Pumps, Fans, Compressors, Conveyors, Industrial Automation Equipment |
Why Choose Voltnex 7.5-11kW Three Phase VFD?
⚡ Wide Power Coverage for Industrial Motors
The Voltnex 7.5-11kW VFD series covers popular industrial motor capacities used in manufacturing and automation industries.
Instead of selecting different drive systems for different projects, customers can choose from:
- 7.5kW (10HP)
- 9.2kW (12.5HP)
- 11kW (15HP)
This flexible range is ideal for:
- Machine manufacturers
- Automation companies
- Electrical contractors
- Industrial distributors
🔋 Energy Efficient Motor Speed Control
Traditional motors usually operate at fixed speed, which may waste energy during low-load conditions.
The Voltnex Variable Frequency Drive adjusts motor speed according to actual operating requirements.
Benefits include:
✔ Reduced energy consumption
✔ Lower operating costs
✔ Smooth acceleration and deceleration
✔ Reduced mechanical stress
✔ Extended motor service life
Especially suitable for variable load applications such as pumps, fans and compressors.
🔧 Flexible Voltage Solutions for Global Markets
Different countries and industrial facilities use different electrical standards.
Voltnex Power supports:
North America
- 208V VFD
- 220V VFD
- 480V VFD
Europe & International Markets
- 380V VFD
- 400V VFD
- 415V VFD
Industrial Export Projects
- 440V VFD
- Customized voltage solutions
This allows one VFD platform to serve multiple international markets.
What Is a Variable Frequency Drive (VFD)?
A Variable Frequency Drive (VFD), also known as an AC Drive, Frequency Inverter, Variable Speed Drive or Motor Controller, is an electrical device used to control the speed, torque and operating performance of AC motors.
Traditional motors run at a fixed speed based on the power frequency. A VFD changes the output frequency and voltage supplied to the motor, allowing users to adjust motor speed according to production requirements.
The main functions of a VFD include:
- Motor speed adjustment
- Soft starting
- Energy saving
- Torque control
- Motor protection
- Automation system integration
Voltnex Power 7.5-11kW Three Phase VFD solutions are widely used in industrial applications requiring stable and efficient motor control.
How Does a VFD Work?
A Variable Frequency Drive controls motor operation through three main stages:
1. AC to DC Conversion
The incoming AC power is converted into DC power through the rectifier section.
This allows the VFD to regulate electrical energy efficiently.
2. DC Voltage Processing
The DC bus system filters and stabilizes the electrical energy before output conversion.
3. Adjustable AC Output
The inverter circuit converts DC power back into adjustable AC power.
By changing output frequency:
Higher Frequency = Higher Motor Speed
Lower Frequency = Lower Motor Speed
This provides accurate motor control and improved operating efficiency.
Benefits of Using Three Phase VFD
Precise Speed Control
The VFD allows operators to adjust motor speed according to different production requirements.
Soft Motor Starting
Compared with direct starting methods, VFD provides:
- Lower starting current
- Reduced mechanical impact
- Better equipment protection
Improved Production Efficiency
Stable motor control improves:
- Machine accuracy
- Product quality
- Process stability
Reduced Maintenance Cost
Smooth operation helps reduce:
- Motor vibration
- Mechanical wear
- Electrical stress
Industrial Applications
CNC Machine Tools
Voltnex VFD is widely used for:
- CNC Lathe Machines
- Milling Machines
- Machining Centers
- Grinding Equipment
Advantages:
✔ Stable spindle speed
✔ Improved machining accuracy
✔ Smooth acceleration
Industrial Pumps
Applications:
- Water pumps
- Process pumps
- Irrigation systems
- Wastewater equipment
Benefits:
✔ Flow adjustment
✔ Energy saving
✔ Stable operation
Air Compressors
Suitable for:
- Industrial air compressors
- Pneumatic systems
- Factory air supply equipment
Benefits:
✔ Reduced power impact
✔ Smooth motor operation
✔ Improved efficiency
Factory Automation Equipment
Used for:
- Conveyor systems
- Packaging machinery
- Production lines
- Automated equipment
Typical Project Cases
Case 1: CNC Machine Factory in Mexico
A CNC machining manufacturer required reliable spindle speed control for multiple production machines.
Solution
Voltnex supplied:
11kW (15HP) Three Phase VFD
Specifications:
- Voltage: 400V
- Frequency: 60Hz
- Application: CNC Lathe Machine
Results
✔ Stable spindle operation
✔ Improved machining consistency
✔ Reduced maintenance frequency
✔ Better production efficiency
Case 2: Industrial Water Pump System in Brazil
A water treatment company needed an energy-efficient motor control solution.
Solution
Voltnex supplied:
7.5kW (10HP) Three Phase VFD
Specifications:
- Voltage: 380V
- Application: Industrial Pump System
Results
✔ Reduced electricity consumption
✔ Smooth pump control
✔ Extended motor lifetime
✔ Improved system reliability
Why Buy VFD from China Voltnex Power?
Factory Direct Pricing
Working directly with Voltnex Power provides:
- Competitive factory pricing
- Flexible order quantities
- Faster communication
- Professional technical support
OEM & ODM Manufacturing
We provide customization services:
✔ Custom logo
✔ Customized voltage
✔ Customized functions
✔ Control cabinet integration
✔ Special project solutions
Global Export Capability
Voltnex Power supplies VFD solutions worldwide:
- USA
- Canada
- Germany
- UK
- France
- Australia
- Mexico
- Brazil
- Chile
- UAE
- Southeast Asia
Supporting:
- Industrial distributors
- Engineering companies
- Machine manufacturers
- Automation integrators
FAQ
1. What power range does this VFD series cover?
This VFD series covers 7.5kW to 11kW, including 7.5kW, 9.2kW and 11kW models.
2. What HP motors can this VFD control?
The series supports approximately 10HP, 12.5HP and 15HP motor applications.
3. Is this a Three Phase VFD?
Yes, it is designed for three phase industrial AC motor applications.
4. What voltage options are available?
208V, 220V, 380V, 400V, 415V, 440V and 480V versions are available.
5. Can this VFD be used for CNC machines?
Yes, it is suitable for CNC lathes, milling machines and machining equipment.
6. Does Voltnex provide OEM service?
Yes. OEM/ODM customization is available.
7. What industries use this VFD?
Applications include manufacturing, automation, water treatment, HVAC, compressors and industrial machinery.
8. Can I buy wholesale quantities?
Yes. Voltnex supplies distributors and industrial customers with factory direct pricing.
9. Does it support 50Hz and 60Hz?
Yes, it supports both industrial frequency standards.
10. Where does Voltnex export VFD products?
Voltnex exports to North America, Europe, South America, Australia, Middle East and worldwide markets.
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