| Basics | Model | GK3000-1S0004 | 
| Capacity | 0.4 kW (1/2 hp) | 
| Shipping weight | 1.2 kg | 
| Dimension | 124.8*78*148.4 mm | 
| I/O Feature | Rated current | 4 A | 
| Input voltage | single phase AC 220V±15% | 
| Input frequency | 47~63Hz | 
| Output voltage | 1 phase 0~rated input voltage | 
| Output frequency | 0~1000Hz | 
| Over load capacity | 150% of rated current for 60s, 180% of rated current for 10s, 200% of rated current for 3s | 
| Control Features | Control mode | V/F, Sensorless vector control (SVC), Speed sensor vector control (FVC) | 
| Operation command mode | Keypad control, Terminal control, Serial communication control | 
| Frequency setting mode | Digital setting, analog setting, pulse frequency setting, serial communication setting, multi-step speed setting & simple PLC, PID setting, etc. These frequency settings can be combined & switched in various modes. | 
| Start frequency | 0.40Hz~20.00Hz | 
| Speed adjustment range | 1:50 | 
| Carrier frequency | 1.0-16.0kHz, automatically adjusted according to temperature and load characteristics | 
| Frequency accuracy | Digital setting: 0.01Hz Analog setting: Maximum frequency * 0.05%
 | 
| Torque boost | Automatically torque boost; manually torque boost: 0.1%~30.0% | 
| V/f curve | Three types: linear, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square) | 
| Acceleration/deceleration mode | Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.1s~3600.0s | 
| Jog operation | Jog operation frequency: 0.0Hz~maximum frequency Jog acceleration/deceleration time: 0.1s~3600.0s
 | 
| Simple PLC & multi-step speed operation | It can realize a maximum of 16 segments speed running via the built-in PLC or control terminal. | 
| Built-in PID | Built-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.) | 
| Automatic voltage regulation | Keep output voltage constant automatically when input voltage fluctuating | 
| Control Function | Common DC bus | Common DC bus for several VFDs, energy balanced automatically | 
| Torque control | Torque control without PG | 
| Torque limit | "Rooter" characteristics, limit the torque automatically and prevent frequent over-current tripping during the running process | 
| Wobble frequency control | Multiple triangular-wave frequency control, special for textile | 
| Timing/length/counting control | Timing/length/counting control function | 
| Over-voltage & over-current stall control | Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping | 
| Fault protection function | Up to 30 fault protections including over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running status during failure & has fault automatic reset function | 
| Input/output terminals | Input terminals | Programmable DI: 7 on-off inputs, 1 high-speed pulse input 2 programmable AI AI1: 0~10V or 0/4~20mA
 A12: 0~10V or 0/4~20mA
 | 
| Output terminals | 1 programmable open collector output: 1 analog output (open collector output or high-speed pulse output) 2 relay output
 2 analog output: 0/4~20mA or 0~10V
 | 
| Communication terminals | Offer RS485 communication interface, support MODBUS-RTU communication protocol | 
| Human machine interface | LED display | Display frequency setting, output frequency, output voltage, output current, etc. | 
| Multifunction key | QUICK/JOG key, can be used as multifunction key | 
| Environment | Ambient temperature | -10℃~40℃, derated 4% when the temperature rise by every 1℃ (40℃~50℃). | 
| Humidity | 90%RH or less (non-condensing) | 
| Altitude | ≤1000M: Output rated power, >1000M: Output derated | 
| Storage temperature | -20℃~60℃ |