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Universal Vector VFD Variable Frequency Drive 3AC 380V - 460V 4KW 5.5KW 7.5KW

Universal Vector VFD Variable Frequency Drive 3AC 380V - 460V 4KW 5.5KW 7.5KW

Brand Name : Kinda
Model Number : KD330
Place of Origin : China
MOQ : Negotiable
Price : Negotiable
Payment Terms : TT
Supply Ability : Adequate inventory
Delivery Time : 3~8 Day
High reliability : Mature and reliable drive, protection circuit design, anti-interference design
Starting torque : 0.5Hz/150% torque, speed ratio 1:100, dynamic response <20ms, steady speed accuracy ±0.2%
intelligent control : Speed sensorless open loop vector control
pulse : High speed pulse input and output
High Overload Capacity : 150% / 120s, 160% / 60s, 180% / 10s, 200% /1s
Dual display keyboard : Dual display LED keyboard One row can be switched, two rows of parameter settings
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Vector Universal VFD Variable Frequency Drive 3AC 380V~460V 4KW 5.5KW 7.5KW

KD330 series Variable frequency drive is a universal high-performance drive vector control function frequency converter.

Based on the advanced technology control theory and intelligent control means, the inverter-controlled speed control system achieves extremely high responsiveness and stability. Better meet the different needs of various industrial control occasions.

ItemTechnical IndexSpecification
InputInput voltage1AC 220~240V±15%
3AC 220~240V±15%
3AC 380~460V±15%
Input frequency50/60Hz±5%
OutputOutput voltage0~rated input voltage
Output frequency0~6000Hz
Control FeaturesControl modeV/f control
Sensorless vector control
Torque control
Operation command modeKeypad control
Terminal control
Serial communication control (Modbus)
Frequency setting modeDigital setting, analog setting, pulse frequency setting, serial communication setting, multi-step speed setting & simple PLC, PID setting, etc. These frequency settings can be combinated & switched in various modes.
Torque boostAutomatically torque boost; manually torque boost: 0.1%~30.0
V/f curveThree types: linear, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square)
Acceleration/deceleration modeStraight line/S curve; four kinds of acceleration/deceleration time, range: 0.0s~65000s
Overload capacity150% / 120s, 160% / 60s, 180% / 10s, 200% / 1s.
Starting torque0.5Hz/180% (SVC); 1Hz/150% (V/f)
Speed control precision±0.5% (SVC)
Carrier frequency0.5~16.0kHz, automatically adjusted according to temperature and load characteristics
Frequency accuracyDigital setting: 0.01Hz
Analog setting: maximum frequency ×0.05%
Braking unitbuild-in standard.
DC brakingDC braking when starting and stopping
DC braking frequency: 0.0Hz~maximum frequency
Braking time: 0.0s~25.0s
Jog operationJog operation frequency: 0.0Hz~maximum frequency
Jog acceleration/deceleration time: 0.1s~3600.0s
Simple PLC & multi-step speed operationIt can realize a maximum of 16 multi-step speeds running via the built-in PLC or control terminal.
Built-in PIDBuilt-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.)
Automatic voltage regulationKeep output voltage constant automatically when input voltage fluctuating
Control FunctionTorque controlTorque control without PG
Wobble frequency controlMultiple triangular-wave frequency control, special for textile
Timing/length/counting controlTiming/length/counting control function
Over-voltage & over-current stall controlLimit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping
Fault protection functionComprehensive protections include over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running data while failures happen.
Input/output terminalsOutput terminals2 relay outputs,
2 open collector outputs,
2 anaalog outputs, 0~10V / 4~20mA
Input terminalsProgrammable digital input: 7 multifunctional inputs, one can be work as high speed pulse input.3 programmable analog input:AI1, AI2, AI3: 0~10V / 4~20mA
Communication terminalsBuild-in standard RS485 communication interface, support MODBUS-RTU communication protocol
Human machine interfaceLED displayDisplay frequency setting, output frequency, output voltage,output current, etc. Two lines display
EnvironmentAmbient temperature-10~50°C, without direct sunshine.
Humidity90%RH or less (non-condensing)
Altitude≤1000M: output rated power, >1000M: output derated
Storage temperature-20~60°C
1Reliable hardwareOnly first-class componens are built-in.
2Rubust designIGBT current > 2 times of inverter output current
Capacitor > 50uF/A
3PCB aging test100% test, 50°C, 12 hours.
4Finished products aging test100% test, 50°C, 24 hours.
5Loading testTwo times, 100% tested:
1. After manufacturing.
2. After aging test.
6Grouped pulse testingWithout failure under 4500V (better EMC performance).
7Electrostatic testing1. Noncontact conditions -- without failure under 10000V.
2. Under contact condition -- without failure under 5000V.
8High overload capacity150% / 120s, 160% / 60s, 180% / 10s, 200% /1s
9Smart start / stop modeAcceleration / Deceleration time can be set as 0.0s, the inverter starts and stops the motor as fast as possible without failure.
10Big start torque0.5Hz/150% (V/f), 1Hz/150% (SVC)
11LED display>7,5kW, two lines parameters dispaly, convenient for commissioning and operating.
12EMC filterC3 level EMC filter build-in standardly

ModelMotorRated Input Current (A)Rated Output Current (A)
3AC 380~460V±15%

Product Tags:

variable frequency drive inverter


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