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18.5KW Three Phase Variable Speed Drive Controller , AC Motor Frequency Inverter

Basic Information
Place of Origin: China
Brand Name: STABLECU
Certification: CE
Model Number: ST310-4T18.5GB
Minimum Order Quantity: 1PCS
Price: $301-$315
Packaging Details: 1pcs/Polybag,100pcs/big polybag, 300pcs/ctn
Delivery Time: 5-8 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 10000 pcs per month
Material: ABS+PC Power: 18.5KW
Voltage: 380V Phase: 3 Phase
Color: Huawei Gray Type: AC/AC Converters
Packaging Material: Carton Or Wood After-sales Service Provided: Technical Support
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18.5KW three phase variable speed drive


CE three phase variable speed drive


AC motor frequency inverter

Three Phase Variable Speed Drive Controller 18.5KW AC Motor Frequency Inverter


Description of frequency inverter

ST310 inverter series is a powerful high-performance current vector inverter, which can realize the control of asynchronous motor, V/F control mode, one machine with multiple functions, can realize multiple frequency switching, and can be used for textile, Drives for automated production equipment such as papermaking, wire drawing, machine tools, packaging, and food.

Product Testing for variable frequency drive

Semi-finished product testing

After all semi-finished products are processed, the quality department will carry out a comprehensive appearance test and electrification test. After the test is completed, professionals will apply three layers of three-proof paint, and some products will undergo electrification aging test.
All test data are archived to ensure the consistency of product testing. Abnormal test data can be recalled and investigated later.

The finished product testing

At least 12 hours after the production is completed, the aging temperature is 55 degrees to ensure the reliability of the internal electronic components.
After the aging is completed, load tests such as loading, impact, rapid acceleration, and deceleration are carried out with the excitation motor, and the input and output ports of the product are tested to ensure the consistency of product performance and various functions

Technical Parameters for frequency converter

Power input Rated voltage 3 phase 380 v
Rated frequency 50Hz/60Hz
Allowable voltage fluctuation The constant voltage fluctuation is ±10%, and the short fluctuation is -15% ~ +10%, that is, 323V ~ 528V
The voltage imbalance rate is less than 3%, and the distortion rate meets the requirements of IEC61800-2
Allowable frequency fluctuation ±5%
Rated input current See section 2.4
Power output Standard motor See section 2.4
Rated current See section 2.4
Output voltage 3 phase:0 ~ rated input voltage, error less than ±3%
Output frequency 0.00~300.00Hz,each unit 0.01Hz
Overload capacity 150% 1min, 180% 10s, 200% 0.5s


Control feature

Control mode Simple vector control
Speed range 1:100
Speed control accuracy ±0.5%
Start torque 0.5Hz:180%








The basic performance of the product














Start frequency 0.00~600.00Hz
Acceleration and deceleration time 0.00~60000s
Carrier frequency 0.7kHz~16kHz
Frequency setting mode

Digital setting+UP/DOWN, Simulation setting, Communication setting, Pulse setting, Primary and auxiliary operations

start mode

Start from start frequency, DC injection start, Speed tracking start

Stop mode

Slowing stop, Free stop, Deceleration + DC braking stop

Energy consumption braking capacity Built-in braking units of 22kw and below can be selected from 30 to 110kw braking units
Energy consumption braking capacity Braking unit action voltage: 650v~750v
DC breaking capacity

Start frequency of DC braking:0.00Hz~50.00Hz

DC braking current:0%~100%

DC braking time:0.00s~10.00s

Details Image of frequency inverter

18.5KW Three Phase Variable Speed Drive Controller , AC Motor Frequency Inverter 0

18.5KW Three Phase Variable Speed Drive Controller , AC Motor Frequency Inverter 1


1. Who are we?
We are a manufacturer based in Guangdong, China, start from 2009, sell to Domestic Market(100.00%). There are total about 201-300 people in our office.
2. How can we guarantee the quality?
Always a pre-production sample before mass production; Always final Inspection before shipment.
3. What can you buy from us?
Ultrasonic Generator, PLC/Motion Controller, Servo Motor And Stepper Motor, Frequency Converter, Automation System Development And Complete Set Of Electric Box.
4. Do you offer customization services?
Yes, we can customize the products according to your requirements. Please send us an inquiry, your inquiry will be replied within 12 hours.
5. What services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF, EXW, DDP, DDU, Express Delivery;
Accepted Payment Currency: USD, EUR, JPY, CAD, AUD, HKD, CNY;
Accepted Payment Type: T/T, L/C, D/P D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash;
Language Spoken: English, Chinese.


Contact Details

Phone Number : +8617324599466

WhatsApp : +8617324524566