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  • CVF300 Series High Performance vector control frequency inverter
  • CVF300 Series High Performance vector control frequency inverter
  • CVF300 Series High Performance vector control frequency inverter
  • CVF300 Series High Performance vector control frequency inverter
CVF300 Series High Performance vector control frequency inverterCVF300 Series High Performance vector control frequency inverterCVF300 Series High Performance vector control frequency inverterCVF300 Series High Performance vector control frequency inverter

CVF300 Series High Performance vector control frequency inverter

CVF300 series high Performance vector control frequency inverter developed the new type frequency inerter . General type and fan/pump type are in one model . support Modbus communication protocol. can be widely used to control and drive the speed of induction motors and synchronous motor . superior performance, abundant functions, easy operation, high accountability and a complete range of specifications.Can fully meet the individual needs of customers in the industry.
Single phase, 220V ± 20%, 0.4 to 3.7kW

Three phase, 380V ± 20%, 0.75 to 630kW

CVF300 Series inverters are high performance open loop vector inverters for controlling asynchronous AC induction motors and permanent synchronous motors.

1. Output frequency :0-600Hz.
2. Multiple password protection mode
3. Remote control operation keypad, convenient for remote control.
4. V/F curve &multi-inflection point setting, flexible configuration .
5. Keyboard parameter copy function. easy to set the parameters for multi-inverters .
6. Wide industry application . to expand special function according to different industries.
7. Multiple hardware and software protection and optimized hardware for anti-interference technology.
8. Multi-step speed and wobble frequency running (external terminal 15 steps speed control).
9. Unique adaptive control technology . Auto current limiting and voltage limiting and under-voltage restrain .
10. Optimized external installation and internal structure and independent air flue design , fully enclosed electrical space design .
11. Output automatic voltage regulation function .(AVR),automatically adjust the output pulse width . to eliminate the  influence  of the grid change on load .
12. Built-in PID regulation function to facilitate the  realization of closed loop control of the temperature ,pressure and flow . and reduce the cost of the control system .
13. Standard MODBUS communication protocol . easy to achieve the communication between PLC,IPC and other industrial equipments.

Input Voltage (V)

Output Voltage(V)

Power Range (kW)

Single phase 220V± 20%

Three phase 0~Input Voltage


Three phase 380V ± 20%

Three phase 0~Input Voltage


Overload capacity :150% 1 minute; 180% 1 second;200% transient protection

Inverter Model Power
Dimension (mm) Figure
H H1 W W1 D d
CVF300-G0R4S2MD 0.4 2.4 185 175 118 108 170 Ф4 Fig.1
CVF300-G0R7S2MD 0.75 7.5
CVF300-G1R5S2MD 1.5 7.0 185 175 118 108 190 Ф4
CVF300-G2R2S2MD 2.2 10
CVF300-G0R7T4MD 0.75 2.5 185 175 118 108 170 Ф4 Fig.1
CVF300-G1R5T4MD 1.5 3.7
CVF300-G2R2T4MD 2.2 5.0
CVF300-G3R7/P5R5T4MD 3.7/5.5 9.0/13 215 205 145 135 193 Ф4
CVF300-G5R5/P7R5T4MD 5.5/7.5 13/17
CVF300-G7R5/P011T4MD 7.5/11 17/25 265 253 185 174 215 Ф5.5
CVF300-G011/P015T4MD 11/15 25/33
CVF300-G015/P018T4MD 15/18.5 33/37 380 360 220 140 230 Ф6 Fig.2
CVF300-G018/P022T4MD 18.5/22 37/45
CVF300-G022/P030T4M 22/30 45/60 460 443 260 177 268 Ф6
CVF300-G030/P037T4M 30/37 60/75
CVF300-G037/P045T4M 37/45 75/90 620 603 265 182 300 Ф8
CVF300-G045/P055T4M 45/55 90/110
CVF300-G055/P075T4M 55/75 110/150
CVF300-G075/P090T4M 75/90 150/176 720 702 365 240 360 Ф9
CVF300-G090/P110T4M 90/110 176/210
CVF300-G110/P132T4M 110/132 210/253
CVF300-G132/P160T4M 132/160 253/300 1190 493 390 Fig.3
CVF300-G160/P185T4M 160/185 300/340
CVF300-G185/P200T4M 185/200 340/380
CVF300-G200/P220T4M 200/220 380/420 1600 660 415
CVF300-G220/P250T4M 220/250 420/470
CVF300-G250/P280T4M 250/280 470/520
CVF300-G280/P315T4M 280/315 520/600
CVF300-G315/P350T4M 315/350 600/640 1750 750 470
CVF300-G350/P400T4M 350/400 640/690
CVF300-G400/P450T4M 400/450 690/790
CVF300-G450/P500T4M 450/500 790/860 1900 950 520 Fig.4
CVF300-G500/P560T4M 500/560 860/950
CVF300-G560/P630T4M 560/630 950/1100
CVF300-G630T4M 630 1100


Item Description


Rated voltage& Frequency

Single /Three phase 220VAC . Three phase 380V.50Hz/60Hz

Allowable Voltage range

Voltage fluctuate range:-20%~+20%
Voltage unbalance rate:<3%;Frequency fluctuation:≤5%


Rated voltage

three phase 0~  input AC voltage



Overload capacity

Type G:150% 1minute,180% 1 second,200% transient protection
Type P:120% 1minute,150% 1 second,180% transient protection

Control Function

Modulation mode

Optimal space voltage vector PWM modulation

Control mode

Sensorless  vector control (SVC), V/F control . Torque control

Frequency accuracy

Digital setting: Max. Frequency ×±0.01%
Analog setting:Max. Frequency×±0.2%

Frequency resolution

Digital setting :0.01HZ;
Analog setting :Max. Frequency x0.1%.

Starting frequency


Torque lift

Automatic torque lift: To lift the torque automatically according to the output current.
Manual torque lift, Range: 0.1—30.0%

Slip compensation

Setting range:0~150%,The inverter output frequency can be auto-regulated within this range according to the motor load, so as to reduce the speed variation of the motor due to load fluctuation.


Minutes/Seconds can be selected as time unit .0.1~3600S can be set in sequence .

Carrier frequency


Jog function

Jog frequency range:0.01~600.00Hz,
Jog acceleration /deceleration time 0.1~3600.0S can be set.

V/F curve

1:linear curve;2:quadratic;3:user defined V/F curve

Control Function

Automatic energy-saving operation

Auto optimize V/F curve according to the load changes to realize the energy saving operation.

Auto voltage regulation (AVR)

When the network voltage changes, it can regulate PWM output automatically to maintain constant voltage.

Built-in PID

This can form a convenient closed-loop control system (CLCS)and is applicable to pressure control, flow control and other process control  .

Operation Function

Operating command

Operation panel control ,external terminal control and COM control

Frequency setting

Keypad potentiometer setting , operation panel▲▼setting,. external terminal UP/DOWN setting, analog voltage signal or external potentiometer setting , analog current signal setting .terminal combination setting ,485 COM setting and so on.

Input Signal

Forward/Reverse signal、multi-speed signal 、 fault signal 、
reset signal etc.

Output signal

Programmable relay、 open collector output 、 Fault  signal output.

Multi-function analog and digital output terminal

This can realize the output of frequency current and other physical quantity by output 0-10V or 0-20mA DC signal and 0-10KHz digital signal output.

Braking function

Dynamic braking

With an external braking resistor, the maximum braking torque may reach 100%.

DC Braking

This can be selected when the motor starts or stops with the action frequency of 0-20Hz,action current level of 0-100% and actuation time of 0-30sec., which can be set in sequence.

Other Function

Skip frequency、Jog function、 Counter 、Rotation speed tracking、 Momentary power loss restart 、Frequency upper/lower limiting、 Acceleration/ Deceleration mode can be adjusted 、Frequency meter and Voltmeter output 、Multi-speed/ program running 、Two wire mode/ three wire mode control 、Wobble frequency control、 Multi-function input terminal selection 、 Fault auto reset、RS485 serial communication .

Protection Function

Input phase loss protection、 Over current protection 、Overload protection、 Over voltage protection 、Under voltage protection、 Over heat protection ect.

LED display

Can display the real time running status of the inverter , monitor parameter .function parameter and fault code and other information of the inverter.

Matching parts

Braking assembly, remote keypads and wire connection , communication panel .


Place to be used

Indoor location free from direct exposure to sun light, high humidity or dew condensation, high levels of dust, corrosive gas, explosive gas, inflammable gas, oil mist, salt and etc


Below 1000 M

Ambient Temperature

-10 C to +45 C (Bare Machine: -10 C to+50 C)


20%-90% RH without dew condensation



Storage temperature



Protection  class


Cooling mode

Forced air cooling

Installation mode

Wall mounted or floor-type actuator


Contact: Alan

Phone: 0086-13868719385

Tel: 0086-577-27880251

Email: info@cyawit.com

Add: sanliyi road, Wenzhou, Zhejiang China