The FR-F740-55K-CHT inverter mitsubishi electric is a high-performance vector inverter specifically designed for general industries such as fans, pumps, and air conditioning. This Mitsi electric inverter features sensorless vector control, enabling precise speed and torque control. Additionally, it supports multiple communication protocols, including DeviceNet, Profibus-DP, and Modbus. The Mitsu inverter uses long-life components and includes an integrated EMC filter to ensure stable operation in complex industrial environments.

Product Specifications
Power range: 55kW
Supply voltage: Three-phase 380V/400V, frequency 50Hz
Rated current: 106A
Overload capacity: 120% for 60 seconds
Control method: Sensorless vector control
Communication interface: Built-in independent RS485 port, supporting various industrial protocols
Ambient temperature: Up to 40°C
Dimensions: Length 435mm × Height 550mm × Width 250mm
Product Features
High-precision control: In sensorless vector control mode, the Mitsu inverter can output 120% torque at 3Hz.
Energy-saving operation: With optimal excitation control, it achieves higher energy efficiency.
Built-in functions: It supports PID control, switching between inverter and line frequency, and multi-pump cycling.
Long-life design: Using long-life components and an integrated noise filter to ensure long-term stable operation.
Protection features: It includes overload, overheat, overvoltage, and undervoltage protection.
Application Scenarios
The Mitsu inverter FR-F740-55K-CHT is widely used in the following areas:
Fan and pump control: Adjusting speed to achieve energy savings.
HVAC: Controlling fan and compressor operation to improve system efficiency.
Industrial automation: Suitable for driving machines like lathes and conveyor belts.
Installation and Wiring
Installation environment: Choose a well-ventilated, dust-free, and non-corrosive gas environment, avoiding high temperatures, humidity, and strong electromagnetic interference.
Wiring requirements: Follow the manual strictly to ensure correct connections for power, signal, and motor lines.
Grounding protection: Ensure proper grounding of the device according to electrical safety standards.
Parameter Settings
Basic parameters: Including motor parameters, control methods, and frequency range. Select the appropriate control mode based on application needs, such as sensorless vector control.
Advanced functions: Such as PID control and multi-speed control, which can be configured according to specific needs.
Maintenance and Inspection
Regular inspection: Clean the heat sink and fan of dust and check if the fan is operating normally.
Parameter verification: Regularly verify the inverter parameters to ensure they match the actual requirements.
Fault diagnosis: Troubleshoot based on fault codes and address issues promptly.
Precautions
Environmental conditions: Avoid using in high-temperature, high-humidity, or strong electromagnetic interference environments.
Power requirements: Ensure stable supply voltage to avoid voltage fluctuations.
Safe operation: Avoid contact with live parts during operation and disconnect power during maintenance.
Frequently Asked Questions (FAQs):
How to set the frequency setting channel for the FR-F740-55K-CHT Mitsi electric inverter?
Frequency setting methods: Frequency can be set through the operation panel, external analog signals, or digital signals.
Signal source requirements: Ensure stability and interference resistance for external analog signals to avoid fluctuations affecting operation.
Parameter configuration: Set the input range of the signal and the corresponding frequency range based on the selected setting method.
How to choose the control mode for the FR-F740-55K-CHT?
Application needs: For high-precision speed control, choose sensorless vector control; for constant speed control, choose V/F control.
Mode characteristics: Sensorless vector control is suitable for high-precision applications, while V/F control is simple and easy to use.
Parameter adjustment: Set relevant parameters according to specific needs to achieve the best control effect.
What is the cooling method for the Mitsi electric inverter?
Cooling method: Forced air cooling using an integrated cooling fan.
Installation requirements: Ensure sufficient space around the device to avoid installation in enclosed or poorly ventilated areas.
Maintenance: Regularly clean the fan and heat sink to ensure the cooling system operates normally.
How to avoid electromagnetic interference with the inverter mitsubishi electric?
Built-in filter: The inverter includes an integrated EMC filter that meets electromagnetic compatibility standards.
Wiring precautions: Avoid placing signal and power lines close together, use shielded cables, and ensure proper grounding of the shielding.
Grounding measures: Ensure proper grounding of the device according to electrical safety standards.
What are the protection features of the Mitsu inverter?
Overload protection: Automatically reduces frequency or shuts down when the load exceeds the rated value.
Overheat protection: Shuts down automatically when the internal temperature sensor detects overheating.
Overvoltage and undervoltage protection: Automatically shuts down when the supply voltage is abnormal to ensure device safety.
How to perform regular maintenance on the FR-F740-55K-CHT?
Appearance inspection: Regularly check for damage to the enclosure and loose screws.
Cooling system maintenance: Clean the fan and heat sink to ensure the cooling system operates normally.
Electrical connection check: Ensure power and signal lines are securely connected.
What are the installation precautions for the inverter Mitsubishi electric?
Installation location: Choose a well-ventilated, dust-free, and non-corrosive gas environment.
Installation method: Install vertically to ensure proper cooling.
Power connection: Ensure the power cable meets the required specifications and check the phase sequence.
How does the FR-F740-55K-CHT achieve energy savings?
Energy-saving control: Optimal excitation control optimizes motor efficiency.
Parameter settings: The energy-saving monitoring function provides an intuitive display of energy savings.
Application scenarios: Particularly suitable for fan and pump loads, achieving energy savings through speed adjustment.
How to configure the communication interface of the Mitsu inverter FR-F740-55K-CHT?
Interface type: Supports RS485 communication interface with built-in Modbus-RTU protocol.
Wiring: Use shielded cables for communication lines and ensure proper grounding of the shielding.
Parameter settings: Configure address, baud rate, and other parameters according to the communication protocol.
What is the overload capacity of the Mitsi electric inverter?
Overload capacity: 120% for 60 seconds.
Application scenarios: Suitable for applications requiring high starting torque or short-term overload.
Precautions: Long-term overload can affect device lifespan and should be avoided.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a one-stop integrated service provider of intelligent manufacturing, belongs to the Gong Doctor Group, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1). Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3). At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.