Product Description


Customer questions,our answers.

1.Is there a remote control?                 

Yes.Remote control operation keypad.

2.Whether it has a closed loop?           

Built-in PID regulation function to facilitate the realization of closed loop control of the temperature, pressure and flow. And reduce the cost of the control system.Our frequency converter is open loop control,according to customer feedback we are developing closed loop control system.

3.What system?                                 
Standard MODBUS communication protocol.Easy to achieve the communication between PLC,IPC and other industrial equipments.

Scope of application:

CHINAMFG frequency inverter applied at the metallurgy,plastomer,textile,food-stuff,petroleum,chemical industry,paper-making,pharmacy,printing,building material,crane,music spring.water supply systerm and all kinds of machine equipment.As AC asynchronous motor’s driving and speed control.


Frequency Inverter can use in the following environmental

Ambient Place to be used Indoor location free from direct exposure to sun light, high humidity or dew condensation,high levels of dust,corrosive gas,explosive gas,inflammable gas, oil mist, salt and etc
Altitude Below 1000 M
Ambient Temperature -10 C to +45 C (Bare Machine: -10 C to+50 C)
Humidity 20%-90% RH without dew condensation
Vibration <0.5G
Storage temperature -20~+60C
Structure Protection  class IP20
Cooling mode Forced air cooling
Installation mode Wall mounted or floor-type actuator

Professional Package (Chinese characters will not appear)

CE Certificate 

1.    Can I get some samples?
Yes.Sample order is available for quality check and market test.But you have to pay for it.

2.    What’s delivery time?
It usually takes about 3-5 working days for small order and 10-15 days for big order.

3.    What’s your payment terms?
We usually accept all kinds of payment terms.Such as T/T,L/C,Western Union.Cash.

4.    What’s your warranty terms?
We offer 12 months warranty time .

5.    Do you have the products in stock?
Depends on your request ,We have standard models in stock.Some special products and big order will be newly produced according to your order.

6.    Can I mix different power in 1 container.
Yes ,Different models can be mixed up in 1 container,even 1 order.

7.    How does your factory do the quality control?
Quality is priority,we always attach the importance to quality control from the beginning to the end of the production.every product will be fully assembled and carefully tested before packing and shipping.

8.    Can you sell spare parts ?
If you are using CHINAMFG products.we can sell spare parts to you.But we couldn’t sell the half-finished products.

9.I would like to know if you have a partner for export?
Yes.CHZIRI Electrical have the right to export and can sell electrical product all over the world.

10. Can you make the inverter and soft starter control boards (switchgear)?
Yes.We have a lot of experience to design frequency inverter and soft starter cabinet according to your request.But you can send us the wiring diagram.

11.Can the inverter connect with computer?
Yes.All inverters have built-in RS485 port.and support Modbus communication protocol.

12.How can I trust you ?
The core of CHINAMFG electrical culture is honesty and loyalty.our company has been audited and approved ISO9001,CE.CCC.Assessment report will could be sent to you by e-mail.also,we are the made-in-china’s gold supplier since 2008.Now we have clients all around the world.

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Application: General Transducer
Output Type: Triple
Principle of Work: Vector Control Transducer
US$ 309/Piece
1 Piece(Min.Order)


Order Sample

Black shell.30KW/380VAC/3PH


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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.


What maintenance practices are recommended for variators to ensure optimal performance?

To ensure optimal performance and longevity of variators, certain maintenance practices are recommended. These practices focus on regular inspections, proper lubrication, and adherence to manufacturer guidelines. Here’s a detailed explanation of the maintenance practices recommended for variators:

1. Regular Inspections:

Regular inspections are essential to identify any signs of wear, damage, or abnormal operation in variators. Inspect variators visually for leaks, loose fasteners, or any visible damage. Pay attention to abnormal noises, vibrations, or changes in performance, as these could indicate potential issues. Regular inspections allow for early detection and timely resolution of problems, preventing further damage and ensuring optimal performance of variators.

2. Lubrication:

Proper lubrication is crucial for the smooth operation and longevity of variators. Follow the manufacturer’s guidelines for lubrication intervals and use the recommended lubricants. Ensure that the variator is well lubricated, paying attention to the bearings, gears, and other moving parts. Insufficient lubrication can lead to increased friction, wear, and heat generation, compromising the performance and lifespan of variators. Regularly check the lubricant levels and top up or replace the lubricant as per the manufacturer’s specifications.

3. Cleaning and Debris Removal:

Keep variators clean and free from debris, dirt, and contaminants. Regularly inspect and clean the variator housing, cooling fins, and vents to ensure proper airflow and cooling. Remove any debris or foreign objects that may have entered the variator and could interfere with its operation. Accumulated debris can impede heat dissipation and interrupt the smooth movement of components, affecting the performance and reliability of variators.

4. Belt/Chain Inspection and Adjustment:

If the variator is part of a belt or chain-driven transmission system, it’s important to inspect and maintain the belts or chains. Check for signs of wear, damage, or improper tension. Replace worn or damaged belts or chains promptly, and ensure proper tension according to the manufacturer’s specifications. Incorrect belt/chain tension can lead to slippage, reduced power transmission efficiency, and premature wear on variators. Regular inspection and adjustment of belts or chains contribute to optimal performance and longevity of variators.

5. Temperature Monitoring:

Monitor the operating temperature of variators regularly. Excessive heat can be detrimental to variator performance and lifespan. Ensure that variators are operating within the recommended temperature range specified by the manufacturer. If the operating temperature exceeds the acceptable limits, investigate and address the underlying causes such as insufficient cooling, excessive friction, or overloading. Proper temperature management helps to prevent overheating, component degradation, and premature failure of variators.

6. Adherence to Manufacturer Guidelines:

Follow the maintenance guidelines provided by the variator manufacturer. Manufacturers often provide specific maintenance schedules, procedures, and recommendations for their variator models. Adhere to these guidelines regarding inspections, lubrication, cleaning, and any other maintenance requirements. Manufacturers’ guidelines are based on extensive testing and expertise, ensuring that the variators perform optimally and have a longer service life when proper maintenance practices are followed.

7. Professional Servicing:

For complex maintenance tasks or major repairs, it is advisable to seek professional servicing from authorized technicians or service centers. Trained professionals have the expertise, tools, and knowledge to perform intricate maintenance procedures and troubleshoot variator issues effectively. Professional servicing can help identify and address potential problems before they escalate, ensuring optimal performance and reliability of variators.

By following these maintenance practices, variators can maintain their optimal performance, efficiency, and lifespan. Regular inspections, proper lubrication, cleaning, belt/chain maintenance, temperature monitoring, adherence to manufacturer guidelines, and professional servicing all contribute to maximizing the performance and longevity of variators.


How do variators contribute to the adaptability and versatility of machinery in different settings?

Variators play a significant role in enhancing the adaptability and versatility of machinery across various settings. Their unique design and functionality offer several benefits that enable machinery to perform effectively in diverse environments. Here’s a detailed explanation of how variators contribute to adaptability and versatility:

1. Variable Speed Control:

One of the key features of variators is their ability to provide variable speed control. By adjusting the gear ratio continuously, variators allow machinery to operate at different speeds, optimizing performance based on specific requirements. This adaptability in speed control enables machinery to adapt to different tasks, environments, and operating conditions, making them versatile in handling a wide range of applications.

2. Smooth and Seamless Transitions:

Variators offer smooth and seamless transitions between different gear ratios. Unlike traditional transmissions with fixed gear steps, variators eliminate the need for manual gear shifting, resulting in uninterrupted power delivery. This smooth transition allows machinery to adapt rapidly to changing loads, terrain, or operational demands, ensuring consistent performance and minimizing downtime.

3. Enhanced Torque and Power Distribution:

With variators, machinery can achieve enhanced torque and power distribution. By continuously adjusting the gear ratio, variators optimize the power transfer from the source (e.g., engine or motor) to the driven components. This adaptability in torque and power distribution enables machinery to handle varying loads and tasks efficiently, improving productivity and versatility across different settings.

4. Ability to Handle Variable Loads:

Variators excel in handling variable loads, which is crucial in many applications. Machinery often encounters situations where the load fluctuates due to changing materials, processes, or external factors. Variators can dynamically adjust the gear ratio to match the load requirements, ensuring optimal performance without straining the machinery. This adaptability to variable loads enhances the versatility of machinery in different settings.

5. Flexible Power Band:

Variators offer a flexible power band, allowing machinery to operate within its most efficient range. By continuously adjusting the gear ratio, variators enable the machinery to maintain the engine or motor speed at its optimal level, maximizing power output while conserving energy. This adaptability to the power band enhances the efficiency and adaptability of machinery across various settings.

6. Customizable Performance:

Variators often provide options for performance customization. They may include adjustable parameters or settings that allow operators to fine-tune the machinery’s behavior based on specific requirements. This customization capability enhances the adaptability of machinery, enabling it to be optimized for different tasks, environments, or operator preferences.

7. Integration with Advanced Control Systems:

Variators can seamlessly integrate with advanced control systems, such as electronic control units (ECUs) or programmable logic controllers (PLCs). This integration enables precise control and monitoring of the variator’s operation, allowing for adaptive and intelligent responses to changing conditions. By leveraging advanced control systems, variators enhance the adaptability and versatility of machinery by enabling features like automated performance adjustments, load sensing, and fault diagnostics.

In summary, variators contribute significantly to the adaptability and versatility of machinery in different settings. Their variable speed control, smooth transitions, enhanced torque and power distribution, ability to handle variable loads, flexible power band, customizable performance, and integration with advanced control systems all work together to enable machinery to adapt to diverse tasks, environments, and operating conditions. This adaptability and versatility enhance the machinery’s performance, productivity, efficiency, and overall utility across various settings.


Can you describe the benefits of using a variator in terms of efficiency and performance?

Using a variator in various applications can offer significant benefits in terms of efficiency and performance. The ability to continuously adjust the gear ratio and optimize engine RPM contributes to improved fuel economy, smoother power delivery, and enhanced overall performance. Here’s a detailed explanation of the benefits of using a variator:

1. Improved Fuel Efficiency:

A variator allows for precise control of the gear ratio, enabling the engine to operate within its optimal RPM range. By continuously adjusting the gear ratio to match the driving conditions, the engine can maintain an efficient power output. This optimized engine RPM helps to reduce fuel consumption and improve overall fuel efficiency. Variators are particularly beneficial in situations that involve frequent speed changes or stop-and-go traffic, where traditional gear systems may be less efficient.

2. Smoother Power Delivery:

Traditional gear systems have discrete gear ratios, resulting in noticeable gear shifts when changing gears. In contrast, a variator provides stepless gear shifts, allowing for a smooth and seamless power delivery. The continuous adjustment of the gear ratio ensures that the engine operates at the most suitable RPM for the current driving conditions, resulting in a smoother acceleration and a more refined driving experience.

3. Optimal Performance:

A variator enables the engine to operate within its optimal power band. By continuously varying the gear ratio, the variator keeps the engine RPM at an ideal level, maximizing power output and torque delivery. This translates into improved performance, whether it’s for quick acceleration, high-speed cruising, or towing heavy loads. The ability to maintain optimal performance across a wide range of driving conditions is a significant advantage of using a variator.

4. Adaptability to Driving Conditions:

A variator allows for seamless adaptation to different driving conditions. It can adjust the gear ratio based on factors such as vehicle speed, throttle input, and load requirements. This adaptability ensures that the engine operates efficiently and delivers the appropriate power for specific driving situations. Whether it’s accelerating from a standstill, maintaining a constant speed, or climbing steep inclines, the variator can optimize the gear ratio to suit the demands of the moment.

5. Reduced Wear and Tear:

Due to the smooth and continuous power delivery, variators help to reduce wear and tear on various components of the drivetrain. The absence of abrupt gear shifts and the ability to maintain optimal engine RPM contribute to reduced stress on the engine, transmission, and other driveline components. This can result in increased longevity and reliability of the vehicle or machinery.

6. Enhanced Driving Comfort:

The smooth and seamless power delivery provided by a variator contributes to enhanced driving comfort. The absence of gear shifts and the ability to maintain the engine RPM in the optimal range reduce vibrations, noise, and harshness. This leads to a more refined and enjoyable driving experience, particularly in urban driving conditions or during long-distance journeys.

In summary, using a variator in various applications offers benefits in terms of improved fuel efficiency, smoother power delivery, optimal performance, adaptability to driving conditions, reduced wear and tear, and enhanced driving comfort. These advantages make variators a desirable choice for achieving greater efficiency and performance in vehicles and machinery.

China best AC Frequency Inverter Variator VFD Converter VSD 15kw 380V/415V AC Drive  China best AC Frequency Inverter Variator VFD Converter VSD 15kw 380V/415V AC Drive
editor by CX 2024-02-25