V&T V9 Continuous Innovation Excellent Control and High Precision Strong Torque Inverter
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Product Highlights
- Wide Power Range: Available from 0.75kW to 630kW for various motor types and applications.
- Flexible Control Modes: Supports V/F, closed-loop, and vector control for synchronous and asynchronous motors.
- Robust Overload Capability: 150% for 60s, 180% for 10s, and 200% for 0.5s with inverse time characteristic.
- Advanced Communication: Built-in Modbus RTU with up to 500m distance and support for CANopen, PROFIBUS, etc.
- Customizable Voltage Options: 220V, 380V, 480V, and 690V supply voltages available for customization.
- Comprehensive Protection: Includes over-voltage, under-voltage, over-current, and thermal protection features.
Product Attributes
- Customization
- Available
- Application
- High-performance Transducer, Three Phase Transducer, General Transducer, Single-phase Transducer, High Frequency Converter Transducer
- Output Type
- Triple
- Model NO.
- V9-H-4T55G/75L
- Principle of Work
- Vector Control Transducer
- Switch Mode
- PWM Control
- Main Circuit Type
- Voltage
- Voltage of Power Supply
- Low Voltage Variable-Frequency Drive
- Link of Transformation
- AC-DC-AC Variable-Frequency Drive
- Nature of DC Power
- Voltage Variable-Frequency Drive
- Function
- Simple Type, Elevator Special, Textile Special, Constant Torque Universal Type
- Brand
- V&T
- Transport Package
- Carton/Wood
- Specification
- Unit
- Trademark
- V&T
- Origin
- China
- HS Code
- 850440999
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Product Description
V9 Series General purpose Inverter
The V9−H Series General Purpose Inverter is a high-performance vector control and torque-controlled inverter. Vector control techniques and torque control techniques are employed. The V9−H product voltage range 220V and 380V, Power range 0.75Kw to 630Kw. It can suit synchronous and asynchronous motor. Synchronous open loop, Synchronous closed loop, Asynchronous V/F, Asynchronous closed loop, Asynchronous vector, these control modes can meet various needs.
Representative Industry
Machine tool industry, Lift, Crane industry, Air compressor industry, Papermaking industry, Oilfield, Plastic industry, Metal processing, Municipal engineering, Textile industry, Printing and packaging, Industrial mining, Processing center, Wood processing, Cable Machinery, Food Packaging, Electric Vehicles, Centrifuges and High-end applications ect.
Fetures
Δ Multiple System Loop Control Modes
Position loop
Speed loop
Torque loop
Δ Speed Command Selection Is Flexible and Convenient
Modbus communication
Keyboard given
Analog given
Multi-segment speed given
Terminal UP/DN given
Process PID given
Simple PLC speed given
Δ Multiple Running Instructions Setting Methods
Modbus communication
Keyboard given
Terminal given
Δ LED Operation Panel / LCD Liquid Crystal Operation Panel Are Optional
Modbus communication, standard network port connection are adopted in LED operation panel / LCD liquid crystal operation panel
The layout of the button accords with ergonomic principle
One-button parameter entry and exit,easy to operate
Parameter copy function, remote control box function (up to 500m) can be realized by the operation panel
The operation panel has a password lock function to prevent non-professionals from changing parameters by mistake
Δ Upper Computer Communication
Provide 485 communication interface, the communication protocol is Modbus
Parameter upload and download functions can be implemented



- V9−H−4TXXXG Three phase 400V constant torque / heavy load application
| Rated Power (kW) | 0.75 | 1.5 | 2.2 | 3.7 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 30 | 37 | 45 | 55 | 75 | 90 | 110 | |
| Applicable motor (kW) | 0.75 | 1.5 | 2.2 | 3.7 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 30 | 37 | 45 | 55 | 75 | 90 | 110 | |
| Output | Voltage (V) | Three−phase 0 to rated input voltage | ||||||||||||||||
| Rated current (A) | 2.5 | 3.8 | 5.5 | 9 | 13 | 17 | 24 | 30 | 39 | 45 | 60 | 75 | 91 | 112 | 150 | 176 | 210 | |
| Overload capability | 150% for 60s, 180% for 10s, 200% for 0.5s, interval: 10 minutes (Inverse time characteristic) | |||||||||||||||||
| Input | Voltage / frequency | Three−phase 380V/480V; 50Hz/60Hz | ||||||||||||||||
| Allowable voltage | 323V ... 528V; voltage imbalance ≤3%; allowable frequency fluctuation: ±5% | |||||||||||||||||
| Rated current (A) | 2.8 | 4.2 | 6.1 | 10 | 15 | 19 | 26 | 33 | 43 | 50 | 66 | 83 | 100 | 123 | 165 | 194 | 231 | |
| DC reactor | No built−in | Built−in as option | ||||||||||||||||
| Brake chopper | Built−in as standard | Built−in as option | ||||||||||||||||
| Protection level | IP20 | |||||||||||||||||
| Cooling mode | Self cooling | Force air cooling | ||||||||||||||||
| Rated Power (kW) | 132 | 160 | 185 | 200 | 220 | 250 | 280 | 315 | 355 | 400 | 450 | 500 | 560 | 630 | |
| Applicable motor (kW) | 132 | 160 | 185 | 200 | 220 | 250 | 280 | 315 | 355 | 400 | 450 | 500 | 560 | 630 | |
| Output | Voltage (V) | Three−phase 0 to rated input voltage | |||||||||||||
| Rated current (A) | 253 | 304 | 350 | 380 | 426 | 470 | 520 | 600 | 650 | 690 | 775 | 860 | 950 | 1100 | |
| Overload capability | 150% for 60s, 180% for 10s, 200% for 0.5s, interval: 10 minutes (Inverse time characteristic) | ||||||||||||||
| Input | Voltage / frequency | Three−phase 380V/480V; 50Hz/60Hz | |||||||||||||
| Allowable voltage | 323V ... 528V; voltage imbalance ≤3%; allowable frequency fluctuation: ±5% | ||||||||||||||
| Rated current (A) | 232 | 282 | 326 | 352 | 385 | 437 | 491 | 580 | 624 | 670 | 755 | 840 | 920 | 1050 | |
DC reactor |
Built−in as standard |
External as standard |
Built−in AC input reactor as standard | ||||||||||||
| Brake chopper | External | ||||||||||||||
| Protection level | IP20 | ||||||||||||||
| Cooling mode | Force air cooling | ||||||||||||||
- Higher power products are customizable.
- Products with 220V, 690V and other supply voltage are customizable.
V9−H−4TXXXL Three phase 400V constant torque / Light load application
| Rated Power (kW) | 1.5 | 2.2 | 3.7 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 30 | 37 | 45 | 55 | 75 | 90 | 110 | 132 | |
| Applicable motor (kW) | 1.5 | 2.2 | 3.7 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 30 | 37 | 45 | 55 | 75 | 90 | 110 | 132 | |
| Output | Voltage (V) | Three−phase 0 to rated input voltage | ||||||||||||||||
| Rated current (A) | 3.3 | 5.0 | 7.5 | 11 | 17 | 22 | 29 | 35 | 45 | 57 | 70 | 91 | 110 | 144 | 180 | 216 | 242 | |
| Overload capability | 150% for 60s, 180% for 10s, 200% for 0.5s, interval: 10 minutes (Inverse time characteristic) | |||||||||||||||||
| Input | Voltage / frequency | Three−phase 380V/480V; 50Hz/60Hz | ||||||||||||||||
| Allowable voltage | 323V ... 528V; voltage imbalance ≤3%; allowable frequency fluctuation: ±5% | |||||||||||||||||
| Rated current (A) | 3.6 | 5.5 | 8.3 | 12 | 19 | 25 | 32 | 39 | 50 | 61 | 77 | 100 | 121 | 158 | 198 | 238 | 266 | |
| DC reactor | No built−in | Built−in as option | ||||||||||||||||
| Brake chopper | Built−in as standard | Built−in as option | ||||||||||||||||
| Protection level | IP20 | |||||||||||||||||
| Cooling mode | Self cooling | Force air cooling | ||||||||||||||||
| Rated Power (kW) | 160 | 185 | 200 | 220 | 250 | 280 | 315 | 355 | 400 | 450 | 500 | 560 | 630 | 710 | |
| Applicable motor (kW) | 160 | 185 | 200 | 220 | 250 | 280 | 315 | 355 | 400 | 450 | 500 | 560 | 630 | 710 | |
| Output | Voltage (V) | Three−phase 0 to rated input voltage | |||||||||||||
| Rated current (A) | 325 | 365 | 405 | 440 | 495 | 547 | 610 | 695 | 770 | 866 | 950 | 1100 | 1200 | 1300 | |
| Overload capability | 150% for 60s, 180% for 10s, 200% for 0.5s, interval: 10 minutes (Inverse time characteristic) | ||||||||||||||
| Input | Voltage / frequency | Three−phase 380V/480V; 50Hz/60Hz | |||||||||||||
| Allowable voltage | 323V ... 528V; voltage imbalance ≤3%; allowable frequency fluctuation: ±5% | ||||||||||||||
| Rated current (A) | 282 | 326 | 352 | 385 | 437 | 491 | 580 | 670 | 755 | 840 | 920 | 1050 | 1150 | 1250 | |
DC reactor |
Built−in as standard |
External as standard |
Built−in AC input reactor as standard | ||||||||||||
| Brake chopper | External | ||||||||||||||
| Protection level | IP20 | ||||||||||||||
| Cooling mode | Force air cooling | ||||||||||||||
Control characteristics |
Control mode | Sensor less vector control | Sensor vector control |
| Applicable motor type | Synchronous motor, asynchronous motor | ||
| Maximum speed | 600Hz, Note: Higher frequency products are customizable. | ||
Starting torque |
|
200% of rated torque at 0 speed |
|
| Speed regulation range | 1:200 | 1:5000 | |
| Steady speed precision | ± 0.5% | ± 0.02% | |
| Torque control | Y | Y | |
| Torque control precision | ±5% | ±3% | |
| Torque response time | <20ms | <10ms | |
| Positioning control | N | Y | |
| Positioning precision | N | ±1 pulse | |
Product function |
Key function |
Speed loop, torque loop, position loop, orientation control, current limit, torque limit, motor auto tune, inertia auto tune, deep flux−weakening control, over − voltage control, under − voltage control, motor flying start, droop control, oscillation suppression, random carrier frequency, master follower control, etc. | |
Speed reference source |
Modbus communication, keypad, external digital input, analog input AI1/AI2/AI3, pulse input, simple PLC, PID, CAN/CANopen, PROFIBUS−DP, PROFINET, etc. | ||
Dynamic brake |
Brake chopper action voltage: 650 ... 750V. The brake chopper of products 0.75kW to 110kW can be built−in:
|
||
Communication |
Built − in Modbus − RTU communication, the maximum distance up to 500 meters. | ||
Keypad |
LED keypad and LCD keypad are available. The keypad can be used as remote−control box by a net cable. |
||
| Common DC bus | Full series product support common DC bus directly. | ||
| Independent air duct | All series product adopts independent duct design. | ||
Protection |
Power supply under−voltage, over−current protection, over−voltage protection, auto−tune fault, module protection, heat−sink over-temperature protection, drive overload protection, motor overload protection, peripheral protection, current abnormal detection, output short − circuit to ground protection, EEPROM abnormal detection, temperature sampling disconnection, encoder disconnection, analog input abnormal detection, motor over-temperature, communication fault, hardware overload protection, etc. | |
Efficiency |
At rating condition:
|
|
Environment |
Operating site |
|
Ambient temperature |
|
|
| Humidity | 5 ... 95%, no condensation is allowed. | |
Altitude |
|
|
Vibration |
|
|
| Storage temperature | −40 ... +70ºC. | |
| Terminal | Symbol | Function description | Technical specifications |
Modbus |
485+ | RS485 positive end | Baud rate: 4800/9600/19200/38400/57600/57600bps Up to 32 units are connected in parallel. If more than 32 units are used, repeaters are required. |
| 485 - | RS485 negative end | ||
| GND | Modbus ground terminal | ||
| Keypad | CN7 | RS485 port of keypad | The maximum distance for keypad is 15 m ( network cable) |
Digital inputs |
+24V | +24V | 24V±10%, internal isolated with GND Maximum output current: 200mA |
| PLC | Power supply of DI | Short to +24V by default | |
| X1 ... X7 | Digital inputs 1 ... 7 | Input specification: 24VDC ± 20%, 5mA Frequency range: 0 … 1KHz |
|
| COM | Digital inputs common | The interior isolated from GND | |
| Digital outputs | Y1 | Open collector output 1 | Voltage range: 24V±20% Maximum output current: 50mA |
| Y2 | Open collector output 2 | ||
| COM | Y1 and Y2 common | The interior isolated from GND | |
Relay outputs |
RA/RB/RC |
Relay output 1 |
RA-RB: Normally closed RA-RC: Normally open Contact capacity: 250VAC/1A, 30VDC/1A |
| RA1/RC1 (≥11kW) | Relay output 2 | RA1-RC1: Normally open Contact capacity: 250VAC/1A, 30VDC/1A |
|
| RA2/RC2 (≥11kW) | Relay output 3 | RA2-RC2: Normally open Contact capacity: 250VAC/1A, 30VDC/1A |
|
Analog inputs |
+10V | AI reference voltage | 10V ±3%, internal isolated with COM Maximum output current: 10mA |
| AI1 | Analog input 1 | −10V...10V: Input impedance 20kQ , max. voltage: ±15V 0...20mA: Input impedance 500Q , max. current: 30mA Resolution: 12 bits (0.025%) Note: AI3 input current 0...20mA is not supported. |
|
| AI2 | Analog input 2 | ||
| AI3 | Analog input 3 | ||
| GND | Analog GND | The interior isolated from COM | |
Analog outputs |
AO1 | Analog output 1 | Select analog voltage or current output by jumper 0 ... 20mA: Output allowable impedance 200 to 500 Ω 0 ... 10V: Output allowable impedance ≥10kΩ |
| AO2 | Analog output 2 | ||
| GND | Analog ground terminal | The interior isolated from COM | |
Resolver (≥11kW) |
1 | REF− | Resolver signal REF1 |
| 2 | REF+ | Resolver signal REF+ | |
| 3 | SIN+ | Resolver signal SIN+ | |
| 4 | SIN− | Resolver signal SIN− | |
| 5 | COS+ | Resolver signal COS+ | |
| 6 | PT100 | PT100 temperature sensor | |
| 7 | COM | PT100 gnd | |
| 8 | None | ||
| 9 | COS− | Resolver signal COS− |

Voltage |
Model |
Outline and mounting dimensions (mm) | Weight (kg) |
||||||
W |
H |
D |
W1 |
H1 |
T1 |
Mounting hole diameter d |
|||
400V |
V9−H−4T0.75G/1.5L | 118 | 190 | 155 | 105 | 173 | 3 | 5.5 | 1.5 |
| V9−H−4T1.5G/2.2L | 118 |
190 |
175 |
105 |
173 |
4 |
5.5 |
2.6 |
|
| V9−H−4T2.2G/3.7L | |||||||||
| V9−H−4T3.7G/5.5L | |||||||||
| V9−H−4T5.5G/7.5L | 155 | 249 | 185 | 136 | 232 | 8 | 5.5 | 3 | |
| V9−H−4T7.5G/11L | |||||||||
| V9−H−4T11G/15L | 198 | 299 | 190 | 160 | 283 | 1.2 | 6 | 8 | |
| V9−H−4T15G/18.5L | |||||||||
| V9−H−4T18.5G/22L | 223 | 348 | 208 | 195 | 335 | 1.5 | 6 | 10 | |
| V9−H−4T22G/30L | |||||||||
| V9−H−4T30G/37L | 264 | 430 | 235 | 230 | 418 | 1.5 | 7 | 18 | |
| V9−H−4T37G/45L | |||||||||
| V9−H−4T45G/55L | 305 | 545 | 270 | 245 | 523 | 1.5 | 10 | 35 | |
| V9−H−4T55G/75L | |||||||||
| V9−H−4T75G/90L | 338 |
580 |
310 |
270 |
560 |
1.5 |
10 |
52 |
|
| V9−H−4T90G/110L | |||||||||
| V9−H−4T110G/132L | |||||||||
| V9−H−4T132G/160L | 400 | 917 | 323 | 320 | 890 | 3.0 | 12 | 75 | |
| V9−H−4T160G/185L | |||||||||
| V9−H−4T185G/200L | 540 | 890 | 385 | 370 | 855 | 4.0 | 14 | 85 | |
| V9−H−4T200G/220L | |||||||||
| V9−H−4T220G/250L | 540 | 890 | 416 | 370 | 855 | 4.0 | 14 | 85 | |
| V9−H−4T250G/280L | 700 | 1010 | 385 | 520 | 977 | 4.0 | 14 | 125 | |
| V9−H−4T280G/315L | |||||||||
| V9−H−4T315G/355L | 700 | 1010 | 418.5 | 520 | 977 | 4.0 | 14 | 125 | |
| V9−H−4T355G/400L | 810 | 1358 | 425 | 520 | 1300 | 4.0 | 14 | 215 | |
| V9−H−4T400G/450L | 810 |
1358 |
425 |
520 |
1300 |
4.0 |
14 |
215 |
|
| V9−H−4T450G/500L | |||||||||
| V9−H−4T500G/560L | |||||||||

About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2521550". Items marked "" are certified.
Company Profile
Shenzhen V&T Technologies Co., Ltd. Was certificated as a "National Hi-tech and Double-Software Enterprise", which has fully intellectual property rights and devotes to the R&D, manufacture, sales and technical service of Inverter, Servo Drive, Electric Vehicle Motor Controller, etc. V&T has won the "Technical Innovation" prize awarded by the Inverter Industry Association, "The Most Competitive Brands" prize awarded by China Electrical Association, "2012 Electric Vehicle Excellent Technology" prize respectively awarded by China Electro-technical Society (CES), the Specialized Committee of Electric Vehicles, the Automotive Engineering Society of China, and the Branch Association of Electric Vehicles. V&T has been ranked as one of the "Top 10 Chinese Inverter Enterprises". V&T successfully listed on the Stock Exchange of China in 2016 (stock code: 300484).
In regard to core and mainstream motor control technologies, Shenzhen V&T Technologies Co., Ltd. Has mastered both advanced "Vector Control "and "Torque Control" technology so far. Through continuous technological innovation, international technical exchange and cooperation with other countries, V&T has completely grasped the key control technique, also possesses the capacity of industrialization design and manufacturing. Company has developed and reserved many product series. The product voltage grade mainly contains 200V, 400V, 690V, 1140V, and the power grade varies from 0.4kW to 3000kW, which could meet various application demands for high, medium and low-end market.
Under the premise of meeting international standards and satisfying different industries' application requirements, we further strengthened the product reliability and environment adaptability to suit harsh and extreme environments. Customized product and industrialized design can better meet medium and high-end application demands. The products have been widely used in electric vehicles, metallurgy, crane, oil, chemicals, machine tools, metal processing, building materials, stone, wood processing, ceramics, plastics, air compressor, washing machine, water supply, air conditioning, municipal engineering, textile, printing, mining, solar pump and other industries.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 3-8th Floor, Tower 2, Zhiyan lnnovation Building, Yutang Street, Tianliao Community, Guangming District, Shenzhen, Guangdong Province, China.
-
Plant Area
- 11110.69 square meters
-
Number of Employees
- 327
-
Registered Capital
- 207,163,900 RMB
-
Terms of Payment
- T/T, D/P
-
International Commercial Terms(Incoterms)
- EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port
-
Minimum Order Quantity
- 1 PC
-
Supply Chain Partners
- 300
Our Production Capability & Technical Expertise
-
Main Products
- Frequency Inverter
-
Production Lines
- 8
-
Production Machines
- Manual assembly line, PCBA inspection instrument, Airtight and Waterproof Testing Instrument
-
QA/QC inspectors
- 35 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Minor Customization, Flexible customization, Full Customization
-
ODM Service Available
- Yes
-
R&D Engineers
- 111 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2006-02-05
-
Export Year
- 15 Years
-
Main Markets
- Southeast Asia/ Mideast
-
Repeat Buyers Choice
- 30%~50%
-
Number of Foreign Trading Staff
- 60
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001, Others
-
Cooperated with Fortune 500
- No
FAQ
- What is the maximum power range available?
- The V9-H series covers a power range from 0.75kW up to 630kW.
- Can the inverter be customized for different voltages?
- Yes, higher power products and those with 220V, 690V, and other supply voltages are customizable.
- What control modes does the V9-H support?
- It supports Synchronous open/closed loop, Asynchronous V/F, closed loop, and vector control modes.
- Is Modbus communication included?
- Yes, it features built-in Modbus RTU communication with a maximum distance of up to 500 meters.
- What is the overload capability of the inverter?
- It offers 150% overload for 60s, 180% for 10s, and 200% for 0.5s.
- Are LED and LCD operation panels available?
- Yes, both LED and LCD liquid crystal operation panels are optional and support remote control up to 500m.
- What is the minimum order quantity?
- The minimum order quantity is 1 PC.
- Does the product support ODM services?
- Yes, ODM service is available with options for full customization, flexible customization, and customization from designs or samples.
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