3.7 KW Frequency Inverter, 3 Phase 220V, 380V, 480V
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3.7 KW Frequency Inverter, 3 Phase 220V, 380V, 480V
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$293.51
Ex Tax: $293.51
- Stock: In Stock
- Model: GK3000-4T0037G
- Weight: 1.00
- SKU: GK3000-4T0037G
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3.7 kW (5 hp) 3 phase variable frequency drive, RS485 communication mode and IP20 enclosure rating. Equipped with a digital screen, the vfd inverter 3 phase works at (–10℃, 40℃). It usually applies to machinery and equipment, the chemical industry, the oil and gas industry, home appliances and motors, etc.
Feature
- The control methods of the 3 phase inverter include V/F control and sensorless vector control.
- The frequency drive inverter has a variety of protection functions, such as overcurrent protection, overvoltage protection, grounding protection, and overheating protection.
- The installed multi-function keyboard and manual knob make it easy to adjust the operating speed of the variable frequency inverter by yourself.
- Equipped with RS485 communication interface and IP20 shell protection, the three phase inverter is made of solid material and has good impact resistance and heat resistance.
Details

Multiple Function Keyboard
The multiple-function keyboard of the 3.7kw 3 phase variable frequency drive controls the operation of the 3.7kw variable frequency drive inverter, such as start, stop, and acceleration. The user can press the corresponding button to make the frequency inverter work according to the set inverter parameters or control the inverter machine's operating speed.
Electronic Screen
The electronic screen of the frequency drive inverter is a key component in the control system, providing users with an intuitive and real-time information display. The electronic screen can monitor the operating status of the variable frequency drive inverter in real-time, including input and output voltage, and current waveform, which helps to detect abnormal conditions in time.
Rugged Casing
The 3.7 kw variable frequency drive inverter's rugged casing plays multiple roles in its design. It is not only about protecting the circuits and electronic components inside the device but also about the safety, stability, and reliability of the device. The three phase variable frequency drive not only protects the internal circuits and components but also provides safety protection.
Applications

Car Manufacturer

Ship Operation

Energy Generation

Building Construction
| Basics | Model | GK3000-4T0037G/ GK3000-2T0037G |
| Capacity | 3.7 kW (5 hp) | |
| Shipping weight | 3 kg | |
| Dimension | 230*118*153 mm | |
| I/O Feature | Rated current | 9A at 380V ~ 480V, 13A at 220V ~ 240V |
| Input voltage | 3 phase 230V /400V /480V AC ±15% (Optional) | |
| Input frequency | 50Hz/ 60Hz | |
| Output voltage | 3 phase AC 0~input voltage | |
| Output frequency | 0~1000Hz | |
| Over load capacity | 150% of rated current for 1 minute, 180% of rated current for 3 seconds | |
| Control Feature | Control mode | V/F control; Sensorless vector control; |
| Communication | RS485 | |
| Speed regulation | 1:100 | |
| Start torque | 150% of rating torque at 1 Hz | |
| Speed control accuracy | ≤±0.5% of rating synchronous speed | |
| Frequency precision | Digital setting: max frequency x± 0.01%; Analog setting: max frequency x± 0.2% | |
| Frequency resolution | Analog setting: 0.1% of max frequency; Digital setting: 0.01Hz | |
| Torque boost | Automatic torque boost, manual torque boost 0.1%~30.0% | |
| Interior PID controller | Be convenient to make closed-loop system | |
| Automatic energy save running | Optimize V/F curve automatically based on the load to realize power save running | |
| Automatic voltage regulation (AVR) | Can keep constant output voltage when power source voltage varies. | |
| Automatic current limiting | Limit running current automatically to avoid frequent over-current which will cause trip | |
| Environment | Enclosure rating | IP 20 |
| Temperature | –10℃~ +40℃; VFD will be derated if ambient temperature exceed 40℃; each rise 1℃, the derate will be 5% | |
| Humidity | 5%-95%, without condensation | |
| Altitude | ≤1000m; VFD will be derated if above 1000m | |
| Impingement and oscillation | Normal running: 5.9m/s2 (0.6g); Transportation: 15m/s2 (1.5g) | |
| Store environment | –20℃~ +60℃; no dust, no corrosive gas, no direct sunlight |
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