KEWO FD600 High Protection Solar Pump Inverter Overview
KEWO FD600 High-Protection solar pump inverter is a specialized inverter developed for harsh-environment applications, such as steel, petroleum, chemical, fan, water pump, aquaculture, and other specialized industries.
Structurally, it adopts a split-type sealed design with circuit boards coated with professional-grade conformal coating, providing multiple layers of protection. The entire unit is resistant to oxidation, salt spray, mold, high temperatures, humidity, and corrosion, achieving a protection rating of up to IP66, making it suitable for various demanding environmental conditions.
Additionally, it features a built-in temperature detection and alarm function, ensuring safety and effectiveness while significantly extending the service life of the frequency converter.
Product Features
1. High Protection
• With an IP66 protection rating, it can be installed outdoors directly.
2. High Compatibility
• Compatible with both permanent magnet synchronous motors and asynchronous motors.
3. Easy Installation
• Integrated design of the control cabinet and frequency converter eliminates the need for secondary installation.
4. Low Maintenance
• Maintenance-free overall design.
5. User-Friendly Operation
• Start/stop control with 7-speed adjustment via up/down keys.
6. Quiet and Comfortable
• Carrier frequency up to 16kHz ensures natural, noise-free operation.
7. Smooth Performance
• Stable operation delivers the comfort of natural wind.
8. No Tuning Required
• Supports tuning-free operation for synchronous motors.
9. Comprehensive Protection
• Up to 33 protection features, including anti-collision, overcurrent, overvoltage, overload, and ground fault protection.
Technical Specifications
| Item | Specification | |
| Power input | voltage, frequency | 1S:90V DC to 400V DC or 110V±15% AC, 50/60Hz |
| 2S:150V DC to 450V DC or 220V±15% AC, 50/60Hz | ||
| 4T:250V DC to 800V DC or 380V±15% AC, 50/60Hz | ||
| Allowable fluctuations | voltage unbalance rate:<3%; | |
| Frequency:±5%; | ||
| Aberration rate: as IEC61800-2 required | ||
| VFD Efficiency | ≥96% | |
| Recommended input Voc range | 1S:190VDC to 450VDC 2S:355VDC to 450VDC | |
| 4T:620V DC to 800VDC | ||
| Recommended MPPT voltage range | 1S:110VDC to 400VDC 2S:250VDC to 400VDC | |
| 4T:500V DC to 750VDC | ||
| Output | MPPT efficiency | Above 99.6% |
| Output frequency range | 0~maximum frequency 600Hz | |
| Overload capacity | 150% rated current for 60s, 180% rated current for 10s . | |
| Motor type | Control for permanent magnet synchronous motor and asynchronous motor pumps. | |
| Solar pump control special performance | MPPT ( maximum power point tracking), CVT (constant voltage tracking), auto/manual operation, dry run protection, low stop frequency protection, minimum power input, motor maximum current protection, flow calculating, energy generated calculating and water tank level detected | |
| Protection function | Overvoltage, under-voltage, current limit, over-current, overload, electric thermal relay, overheat, overvoltage stall, data protection, rapid speed protection, input/output phase failure protection. | |
| Environment | Install place | Below 1000m; above 1000m, derated 1% for every additional 100m. |
| Temperature, humidity | -10 ～+ 50℃, derating above 40℃, maximum temperature 60℃(no-load operation)5% to 95% RH (non-condensing) | |
| Vibration | When 9～200Hz, 5.9m/s2(0.6g) | |
| Storage temperature | -30 ～+60℃ | |
| Cooling method | Forced air cooling | |
| International Certificate | CE, ISO | |
Model List
| IP65, FD2T , 150 to 400 VDC input /220VAC input, output 0-220VAC, Vmp 310VDC Voc 370VDC |
| ||||||
| 1 | FD600-2S0.75G | 4A | 220V | 0.75kw | 190*265*137 | 260 to 375 | |
| 2 | FD600-2S1.5G | 7A | 220V | 1.5kw | 201*304*137 | 260 to 375 | |
| 3 | FD600-2S2.2G | 10A | 220V | 2.2kw | 201*304*137 | 260 to 375 | |
| IP65, FD4T, 250 to 800 VDC /380V-440VAC input, output 0-380V/440V, Vmp 540VDC, Voc650VDC | |||||||
| 4 | FD600-4T-0.75GB | 2.1A | 380V-440V | 0.75kw | 190*265*137 | 486 to 750 | |
| 5 | FD600-4T-1.5GB | 3.1A | 380V-440V | 1.5kw | 190*265*137 | 486 to 750 |
|
| 6 | FD600-4T-2.2GB | 5 A | 380V-440V | 2.2kw | 190*265*137 | 486 to 750 | |
| 7 | FD600-4T-3.0GB | 6.5A | 380V-440V | 3.0kw | 190*265*137 | 486 to 750 | |
| 8 | FD600-4T-4.0GB | 8.5A | 380V-440V | 4.0kw | 190*265*137 | 486 to 750 | |
| 9 | FD600-4T-5.5GB | 13A | 380V-440V | 5.5kw | 190*265*137 | 486 to 750 | |
| 10 | FD600-4T-7.5GB | 16A | 380V-440V | 7.5kw | 201*304*137 | 486 to 750 | |
| 11 | FD600-4T-11GB | 25A | 380V-440V | 11kw | 201*304*137 | 486 to 750 | |
