Top Brand China Wholesale Frequency Inverter Medium Low Voltage Variable Frequency Drive
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Product Highlights
- Wide Power Range: Supports 0.75KW to 500KW with 3-phase AC 380V-480V input.
- Multiple Control Modes: Features V/F Control, Sensorless Vector Control, and Torque Control.
- High Energy Efficiency: Achieves 30%-80% power saving rate with built-in PID function.
- Comprehensive Protection: Protects against over current, voltage, temperature, and phase failure.
- Standard Communication: Includes RS-485 port supporting MODBUS protocol for process control.
- Broad Application Scope: Suitable for fans, pumps, textile, mining, and chemical machinery.
- Quality Assurance: Strictly follows ISO9001 with four inspections and high-temperature testing.
- OEM/ODM Support: Accepts OEM and ODM business with customer authorization.
Product Attributes
- Application
- High-performance Transducer, Three Phase Transducer, General Transducer, Single-phase Transducer, High Frequency Converter Transducer
- Output Type
- Single
- Principle of Work
- V/F Control Transducer
- Switch Mode
- Vf
- Main Circuit Type
- Voltage
- Voltage of Power Supply
- Low Voltage Variable-Frequency Drive
- Link of Transformation
- 5.5kw
- Nature of DC Power
- Voltage Variable-Frequency Drive
- Function
- Simple Type, Textile Special, Constant Torque Universal Type
- Brand
- Changrong
- Transport Package
- by Carton/
- Specification
- Three-phase: 380V: 1.5kw
- Trademark
- CHANGROMNG
- Origin
- China
- HS Code
- 8504403090
- Production Capacity
- 100000
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Product Description

| Model | H100 Series Frequency Inverter |
| Power range | 3 phase AC 380V~480V (-10% ~ +10%) 0.75KW ~ 500KW |
| Output Frequency Range | 0.00~1000Hz (default :50/60hz) |
| Control Mode | V/F Control, Sensorless Vector Control, Torque Control |
| Starting Torque | 0.5Hz/150%(SVC) |
| Communication port | RS-485, which support MODBUS protocol |
| Energy saving | Power saving rate 30%-80% |
| PID |
Built-in,Convenient to implement process control closed-loop control system ( For example: Constant pressure water supply ) |
| Fault Protection |
Protect from over current, over voltage, under voltage, over temperature, phase failure,over load etc. |
H100 Series :
| Inverter Model | Power | Input Voltage | Output current (A) | Dimension (mm) | |||||
| (kW) | (Heavy Load/ Light Load) |
||||||||
| H | H1 | W | W1 | D | D1 | ||||
| H100-0.4S2-1B | 0.4 | 220V 50HZ | 2.5/5.0 | 150 | 137 | 90 | 77 | 118 | 111 |
| H100-0.75S2-1B | 0.75 | 220V 50HZ | 5.0/7.0 | ||||||
| H100-1.5S2-1B | 1.5 | 220V 50HZ | 7.0/11 | ||||||
| H100-2.2S2-1B | 2.2 | 220V 50HZ | 11/17 | 220 | 205.5 | 118 | 103 | 148 | 141 |
| H100-3.7S2-1B | 3.7 | 220V 50HZ | 17/25 | ||||||
| H100-0.75T4-1B | 0.75 | 380V 50Hz | 2.7/4.0 | 150 | 137 | 90 | 77 | 118 | 111 |
| H100-1.5T4-1B | 1.5 | 380V 50Hz | 4.0/5.0 | ||||||
| H100-2.2T4-1B | 2.2 | 380V 50Hz | 5.0/8.5 | ||||||
| H100-3.7T4-1B | 3.7 | 380V 50Hz | 8.5/12.5 | 220 | 205.5 | 118 | 103 | 148 | 141 |
| H100-5.5T4-1B | 5.5 | 380V 50Hz | 12.5/17.5 | ||||||
| H100-7.5T4-1B | 7.5 | 380V 50Hz | 17.5/24 | ||||||




♦ Variable frequency converter applicable occasions:Fans, Pumps, 3-Phase Motors, Machine Tool, Textile, Mining, Chemical, Plastic machinery, Metallurgy, Oil, Woodworking, Pharmaceutical, Ceramics, Paper, Lifting,Printing And Packaging, Air Compressors ,Agricultural Irrigation, etc.



1. What voltage range can you support?
Single-phase 220v input, single-phase 220v output;Single-phase 220v input, three-phase 220v output;
Three-phase 220v input, three-phase 220v output;
Single-phase 220v input, three-phase 380v output;
2. How to choose the power of the frequency inverter?
According to your motor power, you can click "Chat Now" on the right and our sales staff will provide you with solutions online.
3. Do you support urgent orders?
Of course. We have an ERP management system. Once there is an inventory warning, we will prepare materials in advance to meet the urgent needs of customers.
4. About the terminal instructions of the frequency inverter?
R, S, T are input terminals of three-phase power supply of frequency converter.
U, V, W are output terminals of frequency converter, and connected three-phase asynchronous motor.
P+ and PB are connected to the brake unit, P+ and P- are connected to DC (solar panel)
5. How to ensure product quality?
Our production strictly follow ISO9001 quality control system. After four times quality inspect and high temperature testing we will print "QA" pass.
6. Do you accept OEM business?
We accept OEM and ODM with your authorization.
7.Can I have a sample order?
Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
8.What about the lead time?
Sample needed 3-5 days, mass production time needed 1-2 weeks.
9:How about your payment and shipment?
Payment: We accept T/T, Western Union, Paypal etc. terms of payment.
Shipment: For sample order, we use DHL, TNT, FEDEX, EMS etc.express; for batch order, by sea or by air.
10.Do you have any MOQ limit?
1pc for sample checking available.
11.Do you offer guarantee for the products?
Yes, we offer 18 months warranty.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI214496". Items marked "" are certified.
Company Profile
Jiangsu Changrong Electrical Appliance Co., Ltd. Has 13.2 acre of floor and about 807293 square foot construction area which is a high-tech company consisting of 5 wholly-owned subsidiary corporations: Changzhou Changrong Sensor Technology Co., Ltd., Changzhou Changrong Electronic Technology Co., Ltd., etc.
We are specializing in the R& D and manufacturing of motor sensor protectors, BMS current sensors, motor controllers, drives, and frequency inverters. In the mean time, we have two brands of "Changrong Electric" and "DEODER" with more than ten years history. The company has a number of imported fully automated production lines and testing equipment, first-class office environment and facilities. The company has passed IATF16949, ANSI/ESD, ISO9001, ISO14001, ISO45001, GB/T 29490 and other management system certifications. Our products have passed CQC, VDE, TUV, UL and other certifications. The company has an engineering technology research center, enterprise technology center, and postgraduate workstations., Has more than 100 patents and have participated in the drawing of some product-related national standards and industry standards. Nowadays our products are widely used in motors, household appliances, new energy, automobiles and many other fields.
We are cooperating with many famous brand, such as: Gree, Midea, Highly, Panasonic, LG, Samsung, AVIC SANYO, Taiwan Ruizhi, INVOTECH, Panasonic Wanbao, Datong, Danfu, Danfoss, Jindong Paper, Zhongtian Steel, Southern Cement, Yabang Group and other well-known enterprises etc.
We always provide one-stop service and high-quality products for protectors, controllers, driver and current sensors for more than 80% of the global refrigeration compressor factories. It is a leader in the sub-industry and a sensor protection and control expert in the electrical industry.
Our goal is better quality, better reputation and better service, and we are willing to cooperate with all customers sincerely in China and overseas market. Warmly welcome to visit us!
About Our Factory & Business Background
- Address
- No. 2xinxiroad, Xinbei District, Changzhou, Jiangsu, China
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2020-10-01
FAQ
- What voltage range can you support?
- Single-phase 220v input, single-phase 220v output; Single-phase 220v input, three-phase 220v output; Three-phase 220v input, three-phase 220v output; Single-phase 220v input, three-phase 380v output;
- How to choose the power of the frequency inverter?
- According to your motor power, you can click Chat Now on the right and our sales staff will provide you with solutions online.
- Do you support urgent orders?
- Of course. We have an ERP management system. Once there is an inventory warning, we will prepare materials in advance to meet the urgent needs of customers.
- About the terminal instructions of the frequency inverter?
- R, S, T are input terminals of three-phase power supply of frequency converter. U, V, W are output terminals of frequency converter, and connected three-phase asynchronous motor. P+ and PB are connected to the brake unit, P+ and P- are connected to DC (solar panel)
- How to ensure product quality?
- Our production strictly follow ISO9001 quality control system. After four times quality inspect and high temperature testing we will print QA pass.
- Do you accept OEM business?
- We accept OEM and ODM with your authorization.
- Can I have a sample order?
- Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
- What about the lead time?
- Sample needed 3-5 days, mass production time needed 1-2 weeks.
- How about your payment and shipment?
- Payment: We accept T/T, Western Union, Paypal etc. terms of payment. Shipment: For sample order, we use DHL, TNT, FEDEX, EMS etc.express; for batch order, by sea or by air.
- Do you have any MOQ limit?
- 1pc for sample checking available.
- Do you offer guarantee for the products?
- Yes, we offer 18 months warranty.
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