ZFENG Vector Control VFD - 0.75-11kW AC Motor Speed Controller with RS485 Modbus for Pumps, Fans, Conveyors
Price:
Negotiable
MOQ:
1
Delivery Time:
5 Working Days
Brand:
ZFENG
Product Description
ZFENG Variable Frequency Drive (VFD) - AC Motor Speed Controller
Professional-grade variable frequency drive designed for precise control of pumps, fans, conveyors, and industrial machinery.
What is a VFD and Why Do You Need It?
A Variable Frequency Drive (VFD), also known as an AC Drive or Inverter, serves as the intelligent control system for standard three-phase AC induction motors. Instead of operating at constant full speed, a VFD enables precise regulation of motor speed, torque, and acceleration. This technology delivers smarter, more efficient, and gentler motor operation.
Key Operational Benefits
- Soft Start/Stop: Eliminates damaging inrush current and mechanical stress by gradually ramping motor speed up and down
- Energy Savings: Reduces speed by 20% to achieve nearly 50% energy savings for centrifugal fans and pumps
- Precise Process Control: Dial in exact RPM requirements for conveyors, mixers, or machine tool spindles
- Built-in Motor Protection: Continuous monitoring for overload, short circuit, phase loss, and overheating
Application Compatibility
This general-purpose VFD is ideal for:
- HVAC Systems: Commercial fans, blowers, cooling tower fans
- Water & Fluid Handling: Water supply pumps, circulation pumps, booster pumps
- Material Handling: Conveyors, elevators, mixers
- Industrial Machinery: Lathes, drills, grinders, compressors
Compatibility Checklist
✓ Motor Type: Standard 3-Phase AC Induction Motor (Asynchronous Motor)
✓ Power Supply: 3-Phase, 380V/400V/415V, 50Hz/60Hz
✓ Mounting: Clean, dry electrical cabinet (IP20 rated)
✗ Not Compatible With: Single-phase motors, DC motors, or servo motors
Technical Specifications
| Model Range | 0.75kW (1HP) to 45kW (60HP) - Select model matching motor nameplate power |
| Control Method | Reliable V/F control for most applications |
| Key Features | Soft start/stop, adjustable acceleration/deceleration times, multiple preset speeds, automatic restart, low noise operation |
| Communication | Basic analog/digital inputs; optional Modbus RTU (RS-485) for PLC integration |
| Display | Intuitive digital keypad with LED readout for speed, current, and fault codes |
Important Installation Notes
Professional Installation Required: Basic electrical knowledge or licensed electrician needed for proper wiring, parameter setup, and safety compliance.
Controller Functionality: Ensure motor and driven equipment are in good mechanical condition for optimal performance.
Environmental Requirements: Install in ventilated enclosure away from excessive dust, moisture, oil mist, or corrosive gases.
Documentation: Comprehensive English manuals with wiring diagrams and parameter lists provided digitally.
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Company
Guangdong Zhufeng Electric Co., Ltd.
Location
NO.2，JINGHU AVENUE, HUADU DISTRICT, GUANGZHOU CITY, GUANGDONG PROVINCE
Contact Person
Seven