High Torque Pump Frequency Converter 380V 55KW Environment Friendly
380V 55KW Environment-Friendly Frequency Converter High Torque Environmental Protection Material
ST310 series universal variable frequency drive is a universal vector frequency converter for industrial control,
mainly used to control and adjust three-phase AC motor speed and torque, widely and not limited used in below regions:
Why choose our variable frequency drive?
Guangdong Jiesheng electrical technology Co., Ltd. is a leading high-tech company specializing in industrial equipment,
including variable pitch servo motors, complete control systems, frequency converters, and frequency converters,
as well as energy-saving devices. Founded in 2009, the company currently has more than 200 employees,
including more than 30 senior electrical engineers, senior research and development engineers, and senior structural engineers.
Our Advantages:
1. Structural design team:
With many years of experience in industrial product structure design, familiarity with plastic material, hardware,
mold, and other product development, with a deep understanding of product heat dissipation, safety regulations,
protection, and so on
2. Hardware Design team:
Proficient in hardware topology of various motor control products, and can avoid various hidden dangers when
designing circuit schematic diagram and PCB layout; Capable of the selection and design of main loop power
devices, including rectifier bridge, IGBT, current sensor, capacitor, etc., proficient in IGBT, MOS characteristics
and driving characteristics, capable of power device loss calculation and simulation, to ensure the stability of
the design scheme.
3. Software Development team:
Proficient in DSP application and software development, with many years of power electronics control software
development experience, In the bottom motor model building, current, and voltage control has a unique view, has
developed several Products in the market stable operation for many years, by the customer's great recognition.
Quality control of frequency converter
3) Have full inspection and routing inspection during mass production---In-process quality control(IPQC)
4) Checking the goods after they are finished---- Final quality control(FQC)
5) Checking the goods after they are finished-----Outgoing quality control(OQC)
Product parameters of frequency converter
| MODEL | INPUT VOLTAGE | RATED POWER (KW) | RATED INPUT CURRENT (A) | RATED OUTPUT CURRENT (A) | BRAKING RESISTOR | THE BRAKING UNIT | |
| POWER(W) | Resistance/ Ultimate Resistance | ||||||
| ST300-2T0.75GB | 3 Phase 220V±10% | 0.75 | 5 | 5.5 | / | / | / |
| ST300-2T1.5GB | 1.5 | 7.5 | 8.3 | / | / | ||
| ST300-2T2.2GB | 2.2 | 10 | 12 | / | / | ||
| ST300-4T0.75GB | 3 Phase 380V±10% | 0.75 | 2.3 | 3.4 | / | / | |
| ST300-4T1.5GB | 1.5 | 3.8 | 5 | / | / | ||
| ST300-4T2.2GB | 2.2 | 5.5 | 6 | / | / | ||
| ST310-2T0.75GB | 3 Phase 220V±10% | 0.75 | 5.0 | 3.8 | 150 | 250( ≧100) | BUILT-IN |
| ST310-2T1.5GB | 1.5 | 6.0 | 5.5 | 300 | 200(≧100) | ||
| ST310-2T2.2GB | 2.2 | 10.5 | 9.0 | 800 | 100(≧75) | ||
| ST310-2T3.7GB | 3.7 | 10.5 | 9.0 | 800 | 100(≧75) | ||
| ST310-2T5.5GB | 5.5 | 20.5 | 17 | 1500 | 50(≧ 75) | ||
| ST310-2T7.5GB | 8 | 35 | 30 | 2000 | 40( ≧25) | ||
| ST310-2T11GB | 11 | 50 | 45 | 5000 | 30(≧16) | ||
| ST310-2T15G | 15 | 65 | 60 | 6000 | 20(≧16} | OPTIONAL | |
| ST310-2T18.5G | 18.5 | 80 | 75 | 9000 | 16(≧10) | ||
| ST310-2T22G | 22 | 95 | 91 | 9000 | 13(≧10) | ||
| ST310-2T30G | 30 | 118 | 112 | 11KW | 10(≧8) | ||
| ST310-2T37G | 37 | 80 | 75 | 9000 | 16(≧10) | ||
| ST310-2T45G | 45 | 95 | 91 | 9000 | 13(≧10) | ||
| ST310-2T55G | 55 | 192* | 210 | 22KW | 5(≧3.3) | ||
| ST310-4T0.75GB | 3 Phase 380V±10% | 0.75 | 3.4 | 2.3 | 150 | 300(≧125) | BUILT-IN |
| ST310-4T1.5GB | 1.5 | 5.0 | 3.8 | 150 | 250( ≧100) | ||
| ST310-4T2 2GB | 2.2 | 6.0 | 5.5 | 300 | 200(≧100) | ||
| ST310-4T3.7GB | 3.7 | 10.5 | 9.0 | 800 | 100(≧75) | ||
| ST310-4T55GB | 5.5 | 14.6 | 13 | 1500 | 50(≧75) | ||
| ST310-4T7.5GB | 8 | 20.5 | 17 | 1500 | 50(≧ 75) | ||
| ST310-4T11GB | 11 | 29 | 24 | 2000 | 40( ≧40W) | ||
| ST310-4T15GB | 15 | 35 | 30 | 2000 | 40( ≧25) | ||
| ST310-4T18.5GB | 18.5 | 44 | 39 | 5000 | 30(≧16) | ||
| ST310-4T22GB | 22 | 50 | 45 | 5000 | 30(≧16) | ||
| ST310-4T30G | 30 | 65 | 60 | 6000 | 20(≧16} | OPTIONAL | |
| ST310-4T37G | 37 | 80 | 75 | 9000 | 16(≧10) | ||
| ST310-4T45G | 45 | 95 | 91 | 9000 | 13(≧10) | ||
| ST310-4T55G | 55 | 118 | 112 | 11KW | 10(≧8) | ||
| ST310-4T75G | 75 | 157 | 150 | 15KW | 8(≧5) | ||
| ST310-4T90G | 90 | 160* | 176 | 18KW | 5( ≧3.3) | ||
| ST310-4T110G | 110 | 192* | 210 | 22KW | 5(≧3.3) | ||
More Images of frequency converter
Application field of frequency converter
Widely used in the packing industry, machinery industry, printing industry, and textile industry, so on.
We are based in Guangdong, China, start from 2009, sell to all over the world. There are a total of 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?
VFD, converter inverter, ultrasonic mask welding machine
4. Why should you buy from us, not from other suppliers?
(1)We focus on providing a stable and secure drive for end-users
(2)Automatic digital frequency recovery ultrasonic, superior performance, stable quality
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,Mastercard,Credit Card,PayPal,Western,Union,Cash;
Language Spoken: English, Chinese
6. What about the lead time?
For usual products, we keep stock, could ship 1-3days after receiving your payment. For big quantity
and special products, please check lead time with our salesperson.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


