Sky Zone 
VFDs
VFD 4 kW
BRAND · Knox
|
SKU · VFD-4-KW
Knox VFD 4KW Solar Pump Inverter
Rated Frequency
50/60 Hz
Maximum Output Frequency
0.1 ~ 500HZ
Overload capability
150% of rated current: 60 seconds, 170% of rated current: 12 seconds
Noise Level
50dBA max.
01Regular Customer
৳ 12,000
Per unit · retail price
02Wholesale & Dealership
Custom volume pricing for bulk industrial orders and authorized dealer accounts. Our team confirms dealer rates and availability after you reach out.
The Knox VFD 4KW is a specialized solar variable frequency drive (VFD) optimized for agricultural pumping. Supporting a rated power output of 4.0 kW, it includes multiple control modes (V/F, SVC, FVC), 99.9% MPPT efficiency to maximize pump flow, conformal board coating for outdoor agriculture environments, and dynamic braking.
FEATURES:
- V/F Control, Sensor-less Vector Control (SVC) and Feedback Vector Control (FVC) selectable
- Automatic torque boost and slip compensation
- Fast acceleration and deceleration performance
- 150% torque at 0.5Hz
- Provide precise speed control <0.5%
- Acceptable wide input voltage from 300V to 480V
- Conformal coating to withstand harsh environment
- Built-in RS-485 MODBUS communication
- In-Built dynamic braking unit
- Simplified parameter setting for easy startup
- Standard potentiometer and support external keypad
- Flexible programmable I/O connection
- Control motor to deceleration to stop while sudden power failure to prevent damage
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