The KD120 series is our latest new generation mini vector inverters, designed to meet the new needs of our clients. Different from traditional sensorless
vector control, KD120 realizes closed-loop vector control on a mini vfd for the first time, and supports LCD display screen, providing users with higher control accuracy and more intuitive operation experience. Compared with the KD100 series, KD120 has been significantly upgraded and improved in many aspects:
POWER RATINGS
1×220 - 240V 0.4 - 75kW
3×220 - 240V 0.4 - 75kW
3×380 - 480V 0.75 - 400kW
CONTROL TECHNOLOGY
V/Hz control
Vector control
COMPATIBILITY
Asynch motor control applicable
Synchronous motor control applicable
FEATURES
Ambient temperature 50ºC without derating
Thickened conformal coating
optimized cooling system, less need for cooling or oversizing. Resistant to harsh surroundings, lower temperature rise
Detachable control panel
PC-software for commissioning
Complete protection functions, overload, overvoltage, overcurrent etc
Support DIN Rain
EMC grounding design
Independent air duct design, higher cooling efficiency
IGBT two-sided installation, in order to have better cooling and reliablitiy
Flexible funtions terminals, Support PNP/NPN , master-slave control and support max 0.75mm2 cable
Technical Specifications
Input&output
Input voltage
1AC 220~240V(± 15%)
3AC 220~240V(± 15%)
3AC 380~460V(± 15%)
Input frequency 50Hz/60Hz ±5%
Output voltage 0~input voltage, deviation <±3%
Output frequency 0~600Hz
Control Features
Control mode: V/F control Vector control
Speed accuracy ±0,5% (V/F) ±0,2% (SVC)
Speed fluctuation ±0,3% (SVC)
torque response < 10ms (SVC)
Starting torque: 0,5Hz: 150% (V/F ) 0,25Hz: 180% (SVC)
Overload capability: 150% Rated current -60s 180% Rated current -10s 200% Rated current -1s
Simple PLC Multi-step speed:16 speed External digital signal control Internal clock
PID function: Standard build-in
Communication Protocal: Modbus RS485
Altitude: 0~2000m Derated 1% for every 1000m when the altitude is above 1000meters
Ambient temperature:-10°C~50°C (Output derated while the temperature is higher than 40°C)
Relative Humidity:5-95% no condensation
Other control features
Input &Output delay
Flexible parameters display
AVR (Automatic Voltage Regulation)
Timing control, fixed length control, etc.
Simple PLC, 16-steps speed control
Torque control build-in
S curve acceleratior/deceleration Multi-functional
programmable keypad V/F separated control
Wire Connection Diagram (0.4kw~15KW)
Wire Connection Diagram (18.5kw~400KW)
APPLICATIONS
Audited Supplier 
EMC grounding design
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