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CVF9

VFD

CVF9 series frequency converter is a general-purpose, high-performance current vector inverter, mainly used to control and adjust the speed and torque of three-phase AC asynchronous motors.It adopts advanced vector control technology to deliver high torque output at low speeds, offering excellent dynamic performance, strong overload capacity, stable operation, comprehensive protection functions, and a user-friendly interface for easy operation.

The CVF9 series is suitable for applications in weaving, papermaking, wire drawing, machine tools, packaging, food processing, fans, water pumps, and various types of automated production equipment.

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CVF9
CVF9
Product Information
Selection
CVF9–2S0015G
Model Power input voltageInput phase lineRated power of
frequency converter		Load type
VFD 2:AC220V
4:AC380V		S:  Single phase
T:  Three phase		0007: 0.75KW
0015: 1.5KW
0022: 2.2KW
…….		G:Constant torque load
P:Fan and water pump loads
Operation and Installation Conditions
Environment
Where to useIndoor use. Keep away from direct sunlight, dust, corrosive gas, flammable gas, oil mist, water vapor, dripping water, and salt spray.
AltitudeFull power below 1000 m. Above 1000 m, reduce rated power by 1% for every additional 100 m. Above 3000 m, contact the manufacturer.
(Note: For 0.4~3 kW, the maximum altitude is 2000m. For use above this, please consult the manufacturer.)
Ambient Temperature-10°C to +40°C for full performance.

Above 40°C, reduce power by 1.5% for each additional 1°C. Maximum allowable temperature is 50°C.
HumidityLess than 95% RH, no condensation.
VibrationLess than 5.9 m/s² (about 0.6g).
Storage Temperature-20°C to +60°C.
Technical Parameters
ProjectTechnical specifications
Input the frequency resolutionNumber setting:0.01Hz,simulation setting: maximum frequency 0.025%
Control methodOpen-loop vector control(SVC);closed-loap vector control(FVC);V/F control.
Pull-in torque0.25Hz/150%(SVC); 0Hz/180%(FVC)
Speed range1:200  (SVC)1:1000(FVC)
Steady speed accuracy+0.5%(SVC)+0.02%(FVC)
Torque control accuracyFVC:+3%,SVC:5Hz above +5%
Recurrent ascensionAutomatic torque increase, manual torque increase of 0.1%-30.0%.
V/F curveFour ways: straight line, multi-point type; complete V y F separation; incomplete V y F separation.
Add deceleration curveStraight-line or S-curve acceleration and deceleration mode Four acceleration and deceleration times, acceleration and deceleration time range 0.0~6500.0s.
DC injection brakingDC brake starting frequency:0.00Hz-maximum frequency; Brake time:0.0s~36.0s;
Brake action current value:0.0%-100.0%
Electronic controTap movement frequency range:0.00Hz-50.00Hz;Tap action,
acceleration and deceleration time is 0.0s-6500.0s
Simple PLC,multi-segment speed operationUp to 16 segments can be run with a built-in PLC or control terminal.
Built-in PIDIt can easily realize the process control closed-loop control system.
Automatic Voltage Adjustment(AVR)When the grid voltage changes, the output voltage constant.
Over pressure overloss speed controlAutomatic limit of current and voltage during operation to prevent frequent excessive flow pressure trip.
Quick flowMinimize the over current fault, and protect the normal
Restriction functionoperation of the frequency converter.
Torque limit and controlThe characteristic of  “excavator” automatically limits the torque during operation to prevent frequent current trip; the vector control mode can realize torque control.
Instantly stopIn case of instantaneous power outage, the frequency converteris maintained to reduce the load feedback energy compensation voltage in a short time.
Fast flow limitAvoid the frequent over current fault of the frequency converter.
Invented I OFive sets of virtual DIDO, which can achieve simple logic control.
Timing controlTiming control function: set the time range of 0.0Min～6500.0Min
Multi-motor switchingTwo sets of motor parameters, can realize two motor switch control.
Multithreaded bussupportSupport for six fieldbuses :Modbus, Profibus-DP CANlink CANopen, Profinet, and Ether CAT.
Motor overheating protectionWith the IO extension card 1 option, the analog input Al3 accepts the motor temperature  sensor input(PT100, Pt1000).
Multi-encoder supportSupport for differential, open-circuit collector, UVW, rotary transformer, etc
Run instructionsOperation panel given, control terminal given, serial communication port given.
It can be switched in many ways
Frequency instruction10 frequency commands: digital given, analog voltage, analog current, pulse, serial port given.
You can be switched in many ways
Auxiliary frequency instruction10 Auxiliary frequency commands. It can flexibly realize the auxiliary frequency fine-tuning and frequency synthesis
Input terminalstandard:
● Five DI terminals ,one of which supports a high-speed pulse input of up to 100kHz
● Two Al terminals, 1, one only supports 0-10V voltage input, one supports 0- 10V voltage input or
0-20mA current input
Extended ability:
● The 5 Dlterminals of the
● One Al terminal, support-10V-10V,oltage input, and support PT100/PT1000 support
leading-out terminalstandard:
● One high-speed pulse output terminal (optional as the open-circuit collector type),
● Support the square-wave signal output of 0~100kHz
● 1 DO terminal
● One relay output terminal
● One AO terminal with 0 to 20 mA current output or O to 10V voltage output
 Extended ability:
● 1 DO terminal
● One relay output terminal
● One AD terminal with O to 20 mA current output or O to 10V voltage output
ProjectTechnical specifications
LED showDisplay parameters
Parameter copyQuick replication of the parameters is available through the LCD action paneloption
Key-lock and
function selection		Part or all of the keys can be locked to define the scope of some keys to prevent misoperation
Lack of phase protectionInput phase protection,output phase phase protection
Instant over current protectionStop at over 250% of the rated output current
Over voltage crowbarStop when the main circuit DC current is above 820V
Under voltage protectionStop when the main circuit DC currentis below 350V
Overheat protectionProtection is triggered when the inverter bridge overheated
Overload protection150%rated current for 60s shutdown (4T4500G:130%rated current running for 60s shut down)
Over current pratectionStop protection exceeding 2.5 times rated current
Brake protectionBrake unit overload protection,brake resistance short-circuit protection
short-circuit protectionOutput alternate with short circuit protection,output short circuit to ground pratection
Wiring Diagram
Product Adaptation Table
ModelPower supply
capacity  KVA		Input current
A		Output current
A		Adaptation motor
KWHP
Single-phase power supply:220v(-10%~+15%),50/60Hz
CVF9-2S0007G1.5 8.2 4.0 0.75 1 
CVF9-2S0015G3.0 14 7.0 1.5 2 
CVF9-2S0022G4.0 23 9.6 2.2 3 
CVF9-2S0040G8.9 14.6 13 4.0 5 
CVF9-2S0055G17 26 25 5.5 7.5 
Three-phase power supply:220V(-10%~+15%),50/60Hz
CVF9-2T0007G3 5 3.8 0.75 1 
CVF9-2T0015G4 5.8 5.1 1.5 2 
CVF9-2T0022G5.9 10.5 9 2.2 3 
CVF9-2T0040G8.9 14.6 13 4.0 5 
CVF9-2T0055G17 26 25 5.5 7.5 
CVF9-2T0075G21 35 32 7.5 10 
CVF9-4T0110G30 46.5 45 11 15 
CVF9-4T0150G40 62 60 15 20 
CVF9-4T0185G57 76 75 18.5 25 
CVF9-4T0220G69 92 91 22 30 
CVF9-4T0300G85 113 112 30 40 
CVF9-4T0370G114 157 150 37 50 
CVF9-4T0450G135 180 176 45 60 
CVF9-4T0550G161 215 210 55 75 
CVF9-4T0750G236 315 304 75 100 
Three-phase power supply:380V(-10%~+15%),50/60Hz
CVF9-4T0015G3.0 5 3.8 1.5 2 
CVF9-4T0022G4.0 5.8 5.1 2.2 3 
CVF9-4T0030G5.0 8.0 7.2 3.0 4 
CVF9-4T0040G5.9 10.5 9 4.0 5 
CVF9-4T0055G8.9 14.6 13 5.5 7.5 
CVF9-4T0075G11 20.5 17 7.5 10 
ModelPower supply
capacity is KVA		Input current
A		Output current
A		Adaptation motor
KWHP
Three-phase power supply:380V(-10%~+15%),50/60Hz
CVF9-4T0110G17 26 25 11 15 
CVF9-4T0150G21 35 32 15 20 
CVF9-4T0185G24 38.5 37 18.5 25 
CVF9-4T0220G30 46.5 45 22 30 
CVF9-4T0300G54 57 60 30 40 
CVF9-4T0370G63 69 75 37 50 
CVF9-4T0450G81 89 91 45 60 
CVF9-4T0550G97 106 112 55 75 
CVF9-4T0750G127 139 150 75 100 
CVF9-4T0900G150 164 176 90 120 
CVF9-4T1100G179 196 210 110 150 
CVF9-4T1320G220 240 253 132 180 
CVF9-4T1600G263 287 304 160 210 
CVF9-4T1850G305 323 340 185 240 
CVF9-4T2000G334 365 377 200 260 
CVF9-4T2200G375 410 426 220 285 
CVF9-4T2500G404 441 465 250 320 
CVF9-4T2800G453 495 520 280 370 
CVF9-4T3150G517 565 585 315 420 
CVF9-4T3550G565 617 650 355 480 
CVF9-4T4000G629 687 725 400 530 
CVF9-4T4500G716 782 820 450 600 
CVF9-4T5000G800 820 900 500 680 
CVF9-4T5600G930 950 1020 560 750 
CVF9-4T6300G1050 1050 1120 630 850 
CVF9-4T7200G1200 1200 1300 720 960 
CVF9-4T8000G1330 1380 1420 800 1060 
CVF9-4T10000G1660 1650 1720 1000 1330 
Wiring Diagram
ModelInstall the
hole position of mm		External size:mmInstall
aperture(mm)
ABHWD
CVF9-4T0015G79 154 164 89 125 Φ4
CVF9-4T0022G79 154 164 89 125 Φ4
CVF9-4T0030G79 154 164 89 125 Φ4
CVF9-4T0040G86 173 184 97 145 Φ5
CVF9-4T0055G86 173 184 97 145 Φ5
CVF9-4T0075G131 245 257 146.5 185 Φ6
CVF9-4T0110G131 245 257 146.5 185 Φ6
CVF9-4T0150G131 245 257 146.5 185 Φ6
CVF9-4T0185G151 303 320 170 205 Φ6
CVF9-4T0220G151 303 320 170 205 Φ6
CVF9-4T0300G120 385 400 200 220 Φ7
CVF9-4T0370G120 385 400 200 220 Φ7
CVF9-4T0450G200 493 510 260 252 Φ7
CVF9-4T0550G200 493 510 260 252 Φ7
CVF9-4T0750G200 493 510 260 252 Φ7
CVF9-4T0900G200 630 660 320 300 Φ9
CVF9-4T1100G200 630 660 320 300 Φ9
CVF9-4T1320G250 755 780 400 345 Φ12
CVF9-4T1600G250 755 780 400 345 Φ12
CVF9-4T1850G250 755 780 400 345 Φ12
CVF9-4T2000G300 872 900 460 355 Φ12
CVF9-4T2200G300 872 900 460 355 Φ12
CVF9-4T2500G360 922 950 500 355 Φ12
CVF9-4T2800G360 922 950 500 355 Φ12
CVF9-4T3150G500 1029 1050 650 365 Φ12
CVF9-4T3550G500 1029 1050 650 365 Φ12
CVF9-4T4000G500 1265 1300 650 385 Φ14
CVF9-4T4500G500 1265 1300 650 385 Φ14
CVF9-4T5000G500 1265 1300 650 385 Φ14
CVF9-4T5600G600 1415 1450 850 435 Φ14
CVF9-4T6300G600 1415 1450 850 435 Φ14
CVF9-4T7200G600 1415 1450 850 435 Φ14
CVF9-4T8000G1000 1415 1450 1100 465 Φ14
CVF9-4T10000G1000 1415 1450 1100 465 Φ14
Name
CVF9 VFD Catalog
Release time
25/08/2025
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