Factory 3 phase power VF inverter frequency inverter Vector Control VFD Inverter

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US $88-6,600 / Pieces | 1 Piece/Pieces (Min. Order)
Key Company Capacity
Production Capacity >
  • Employees: 51 - 100 People
  • Factory Size: 5,000-10,000 square meters
  • No. of Production Lines: 5
Research & Design >
  • No.of R&D Engineer: Less than 5 People
  • Production Certification: 15
  • Patent: 11
  • Trademark: 1
Trade Capacity >
  • Export Mode: Have Own Export License
  • Export Percentage: 25.00%
  • No. of Employees inTrade Department: 3-5 People
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Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
Output Power:
0.75 ~ 315kW
Output Type:
100x150x110mm ~ 850x2000x500mm
2.5kg ~ 160kg
Input Voltage:
220V, 380V, 440V
Output Voltage:
220V, 380V, 440V
Output Frequency:
Output Current:
2.5 ~ 600A
Product name:
Short Circuit, Overload, Overvoltage
12 Months
electric motor
Rated power:
0.75 ~ 315kW
Supply Ability
Supply Ability:
10000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
standard export package
Ningbo or shanghai
Lead Time :
about 3 working days after receive your payment
Company Information


About the product:


VFD-V Series Sensorless Vector Control Inverter uses the DSP control system to provide sensorless vector control, which has significant advantags 

compared with V/F control. 

Which is best serves OEM clients at the middle and high end of the market and 

support fans and pumps with specific requirements. The inverter’s flexible

design has sensorless vector control (SVC) and V/F control installed in one 

unit. It is widely used in applications that require high-speed control accuracy, 

rapid torque response, and high performance at low frequencies.  


Technical features:


1. Three control modes: Sensorless vector control (SVC), V/F control, torque 


2. Overload: 150% rated current 60s; 180% rated current 10s.

3. Start-up torque: Sensorless vector control 0.5Hz/150% (SVC).

4. Built-in breaking unit: Brake resistance can be directly connected when rapid stops are required

5. Eight-step speed control, PID control, and traverse control.

6. Offering four multi-functional digital inputs, two analog inputs, one relay 

output, one analog output, and one open-collector output.

7. Automatic voltage regulation: When grid voltage is variable, this function 

automatically maintains a stable voltage output.

8. Offering RS485 serial communication interface and a standard Modbus 

communication agreement.

9. Optional LED external keypad for convenient and quick operation.



Input and output characteristic:


1. Input voltage range: 380/220V±15%

2. input frequency range: 47~63Hz

3. output voltage range:0~rated input voltage

4. output frequency range: 0~600Hz


Peripheral interface features: 


1. programmable digit input :4 input

2. programmable analog input:VI:  0~10V input,CI: 0~10V or 0~20mA input

3. Open collector output : 1 output

4. relay output : 1 output 

5. Analog output : 1 output , Respectively optional 0/4~20mA or 0~10V




* Plastics and chemical fiber extrusion equipment 


* Metalworking machinery: Lathe,Milling machine ,planer ,Grinder


* Building materials : Cement glass main transmission equipment


* Rubber Machinery


* Wire and cable extrusion equipment 



Soft starter

Huabang Electric Technology Co., Ltd. is one of the most professional energy meter manufacturers in China. Since 1992, Huabang have been specializing in designing,manufacturing and providing full series energy meters. Huabang registered capitalof 50 million yuan, with 8000 square meters workshop, advanced production line, strong technical strength, annual production capacity of 500,000 Pcs.Our main products Single-phase and Three-phase electronic meter, Mechanicalmeter, Digital panel meter, Din rail mounted meter, Soft start, Current transformer,Socket meter, company has consistently adhered "quality for survival, technology to development, management for efficiency " business philosophy.Huabang build base on ISO9001: 2008 as a benchmark, committed to provide better services; all the energy meter has reached the CCC; CE; IEC62052-11; IEC62053-21 Technical Standard.Our products are mainly exported to Europe,Asia, Americas, Africa, the major countries Russia, India, Thailand, Netherlands, Philippines, Chile, Bangladesh, UAE, Ecuador etc.

We are committed to provide quality products and services, efficient , professionaltechnical team, provide customers with product customization service, and provide OEM service. We can sure become your first choice.

Soft starter are a far better alternative to star/delta and auto transformer starters.
The star/delta starter reduces start current but introduces a damaging torque transient when switching from star to delta connection. Furthermore star/delta starting does not always selection of the best start current level.
This sometimes means the load cannot accelerate to full speed in star configuration thereby making the star/delta
starter totally in effective.

A star/delta starter does not impact the way the motor stops, thus leaving the voltage ramp down with no control. The auto transformer reduces start current but also allows some control over the level of start current. Auto transformer starters does not eliminate the risk of a jump in torque when shifting voltage.


1. Reduce hydraulic shocks in pipelines during start and stop.
2. Minimize mechanical stress on motor shaft.
3. Reduce starting current .
4. Under-current protection preventing damage from blocked pipe or low water situations.
5. Automatic reset functionality ensures continued operation of unmanned pump stations.
6. Phase rotation protection prevents damage from reverse pump rotation.
7. Instantaneous overload protection prevents damage from debris drawn into the pump.


1. Smooth application of torque preventing mechanical stress.
2. Reduced starting times over star/delta starting.

Power Supply: City power, Electricity Generator, three phase AC 380V or 660V ±15%, 50Hz, Battery capacity should comply soft starter boot require.

Suitable For : Three phase squirrel cage induction motor, rated frequency should be match with soft starter
Starting Frequency: No Specific Requirement

Cooling : Natural air cooling
Protect Level : IP 20
Environment : Altitude of 3000 meters below;
Ambient temperature: -25~+40℃;
Relative humidity : <90%;
Non-condensing, non-flammable, corrosive gases;
Non-conductive dust, good ventilation, low-vibration.

5 Mode of Start

Ramp voltage start :Require a smooth start occasion, output voltage as Page 1.
Current limit start : Have strict limitation of starting current, motor current curve as Page 2.
Snap action + Ramp voltage start : For heavy load, static friction force too big cause motor not running, starting curve as Page 3.
Snap action + Current limit start : For heavy load, static friction force too big cause motor not running, starting curve as Page 4
Heavy load strong shock start : For difficulty of heavy load motor start

5 Level Production Setting:

For different occasions, JJR2 production divide into five level, 0=Elementary ; 1: light load ; 2 : Standard 3 : Heavy load 4 : Advanced, Set by F12 Elementary forbid connect Instantaneous stop function, only have over-heat,
short circuit and default phase protection, suitable for Unconditional emergency start, like fir pump.
Light-load / Standard / Heavy-load has most of protection function, only difference is motor over load heat protection time curve as Page 1 & 5Advance as starting protection is more strict, parameters is like Heavy-load

10 Optional Functions
Start delay : 0 ~ 999s, shows as timer, start when it goes “0”
Running delay output : 0 ~ 999s, From received the signal, delay output closing contact
Starting interval delay : 0 ~ 999s, Light flash in this period, time’s over allow restart
Over-heat unlock delay : 0 ~999s, after over heat happen and release
Error message storage: Last 9 error message
Auto restart : set for 9 times of auto start, used long-term continuous operation & Unattended occasions
0-20A DC analog output : real-time motor current indicator, max-load 300 Ω
Multiply display: Able to indicator power voltage, motor current, apparent power, thermal equilibrium,etc.





1. Q: Why choose us?

    A: We are professional energy meter manufacturer 24years and 15years golden supplier of Alibaba

2. Q: Do you have any certificates

    A: We have CE, RoHS, CCC, CQC, ISO9001:2015 Certification.

3. Q: How about your products quality inspection?

    A: We have professional QA and QC teams, 100% quality inspection is performed before goods out of factory.

4. Q: Can you accept to use our logo?

    A: we accept OEM and ODM production and can make customized product.

5. Q: What’s your quality guarantee?

    A: we provide repair or replace service within 18months if energy meter is not working  properly.

Our Services

We supply product with good quality and serivces as:


1. OEM 


2. ODM


3.HUABANG Distributor 

We supply 24 month warranty on all HUABANG product !!!

Company profile



HUABANG, one of leading producer of lower voltage products such as Energy Meter, Current Transformer, Frequency Inverter, Soft Starter, Power Meter, We specializes in research, design and manufacturing with an emphasis on continuous improvement, innovation and high performance and cost-effective solutions HUABANG has developed as a global manufacturer.

We are committed to providing high quality, high performance products to our customers