FR-E700 Series Economical Inverters with High Driving Performance
The FR-E700 Series is an economical inverter with high driving performance, featuring advanced flux vector control for high starting torque and precise speed regulation. Covering a power range of 0.1-15kW (1-phase 200V/3-phase 400V), it integrates energy-saving operation, user-friendly operation, and robust environmental adaptability, making it ideal for fans, pumps, conveyors, and general machinery. It delivers reliable motor drive solutions at a cost-effective price, balancing performance and affordability for small and medium-sized enterprises worldwide.
Key Features
Powerful & Stable Driving Performance
- Advanced flux vector control delivers 200% torque at 0.5Hz for models ≤3.7kW and 150% torque for 5.5-15kW models
- Short-term overload capacity of 200% for 3 seconds reduces false alarms
- Advanced auto-tuning function enables precise commissioning
- Enhanced PID and flexible PWM functions ensure stable operation
Efficient Operation & Maintenance
- Integrated control unit and display screen with intuitive operation
- Standard mini-B USB port for direct computer connection
- Dedicated configuration software with high-speed graph function
- Detachable control terminal block for easy equipment replacement
- Compatible installation dimensions with FR-E500 Series
Excellent Expandability & Compatibility
- Built-in Modbus-RTU protocol and RS-485 interface
- Optional function cards support CC-Link, Profibus-DP, and other protocols
- Option slot for digital inputs, analog outputs, and other functions
- External braking resistors for enhanced braking performance
Long Service Life & Reliable Protection
- High-temperature-resistant capacitors and cooling fans with 10-year design lifespan
- Fan on/off control extends component longevity
- IP20 protection rating (upgradeable to IP55 with optional kits)
- Suitable for most industrial environments
Core Specifications
| Specification Category |
Specific Parameter |
Details |
| Applicable Motor Power |
Power Range |
0.1 - 15kW |
| Input Voltage Specifications |
Voltage Classes |
1-phase 220V, 3-phase 220V, 3-phase 380 - 480V |
| Frequency Range |
50/60Hz, with allowable frequency fluctuation of ±5% |
| Voltage Fluctuation Range |
3-phase 200-240V: 170-264V; 3-phase 380-480V: 325-528V |
| Output Specifications |
Rated Frequency Range |
0.2 - 400Hz |
| Overload Capacity |
150% rated current for 60 seconds, 200% for 3 seconds |
| Low-Frequency Torque |
≤3.7kW: 200% at 0.5Hz; 5.5-15kW: 150% at 0.5Hz |
| Control Performance |
Control Methods |
V/F control, advanced flux vector control, universal flux vector control, optimal excitation control |
| Frequency Setting Resolution |
Analog: 0.06Hz/60Hz; Digital: 0.01Hz |
| Acceleration/Deceleration Time |
0.01-360s or 0.1-3600s; Linear or S-curve modes |
| Communication Functions |
Standard Communication |
Built-in Modbus-RTU protocol and RS-485 interface |
| Extended Communication |
Optional cards support CC-Link, Profibus-DP, DeviceNet, LonWorks, EtherCAT |
| Physical & Protection |
Protection Class |
Base: IP20; Upgradeable to IP55; Fully enclosed: IP40 |
| Cooling Method |
Natural cooling (small-power); Forced air cooling (high-power) |
| Core Component Lifespan |
10-year design lifespan for capacitors and cooling fans |
Model Specifications
| Voltage Class |
Model No. |
Power (kW) |
Output Current (A) |
Voltage Range |
Weight (kg) |
Cooling Method |
Protection Class |
| 1-phase 220V |
FR-E720S-0.1K-CHT |
0.1 |
0.8 |
170-264V |
0.4 |
Natural |
IP20 |
| FR-E720S-0.2K-CHT |
0.2 |
1.2 |
170-264V |
0.4 |
Natural |
IP20 |
| FR-E720S-0.4K-CHT |
0.4 |
2.0 |
170-264V |
0.5 |
Natural |
IP20 |
| FR-E720S-0.75K-CHT |
0.75 |
3.5 |
170-264V |
0.6 |
Natural |
IP20 |
| FR-E720S-1.5K-CHT |
1.5 |
6.0 |
170-264V |
0.8 |
Natural |
IP20 |
| FR-E720S-2.2K-CHT |
2.2 |
8.5 |
170-264V |
1.0 |
Forced Air |
IP20 |
| 3-phase 220V |
FR-E720-0.4K |
0.4 |
1.8 |
170-264V |
0.5 |
Natural |
IP20 |
| FR-E720-0.75K |
0.75 |
3.0 |
170-264V |
0.6 |
Natural |
IP20 |
| FR-E720-1.5K |
1.5 |
5.5 |
170-264V |
0.8 |
Natural |
IP20 |
| FR-E720-2.2K |
2.2 |
7.5 |
170-264V |
1.0 |
Forced Air |
IP20 |
| FR-E720-3.7K |
3.7 |
12.0 |
170-264V |
1.5 |
Forced Air |
IP20 |
| FR-E720-5.5K |
5.5 |
18.0 |
170-264V |
2.2 |
Forced Air |
IP20 |
| FR-E720-7.5K |
7.5 |
24.0 |
170-264V |
3.0 |
Forced Air |
IP20 |
| FR-E720-15K |
15.0 |
45.0 |
170-264V |
6.0 |
Forced Air |
IP20 |
| 3-phase 380-480V |
FR-E740-0.4K-CHT |
0.4 |
1.1 |
325-528V |
0.5 |
Natural |
IP20 |
| FR-E740-0.75K-CHT |
0.75 |
2.0 |
325-528V |
0.6 |
Natural |
IP20 |
| FR-E740-1.5K-CHT |
1.5 |
3.7 |
325-528V |
0.8 |
Natural |
IP20 |
| FR-E740-2.2K-CHT |
2.2 |
5.0 |
325-528V |
1.0 |
Forced Air |
IP20 |
| FR-E740-3.7K-CHT |
3.7 |
8.0 |
325-528V |
1.5 |
Forced Air |
IP20 |
| FR-E740-5.5K-CHT |
5.5 |
12.0 |
325-528V |
2.2 |
Forced Air |
IP20 |
| FR-E740-7.5K-CHT |
7.5 |
16.0 |
325-528V |
3.0 |
Forced Air |
IP20 |
| FR-E740-11K-CHT |
11.0 |
23.0 |
325-528V |
4.5 |
Forced Air |
IP20 |
| FR-E740-15K-CHT |
15.0 |
29.5 |
325-528V |
6.0 |
Forced Air |
IP20 |
Industry Applications
Food Processing Industry
Used in small and medium-sized food factories for mixing machinery on sauce, jam, and preserves production lines. Provides precise speed regulation for mixing intensity control and adapts to packaging machine multi-speed requirements. Regulates fan speed in constant-temperature drying equipment for food preservation.
Electronics Manufacturing Industry
Powers conveyor belts in electronics assembly lines for smooth low-speed operation to prevent component damage. Controls material transfer pumps in semiconductor production and adjusts speeds on testing equipment in laboratories.
Logistics & Warehousing Industry
Applied in automated warehousing sorting systems and small lifting platforms. Handles frequent start/stop and speed switching with 200% overload capacity. Controls conveyor motors for cargo loading/unloading with stable speed regulation.
Chemical & Pharmaceutical Industry
Drives mixing machinery for coatings, dyes, and chemical mixtures with viscosity-based speed adjustment. Paired with medicinal solution mixing equipment and transfer pumps in pharmaceutical applications. Optional IP55 protection for clean, humid environments.
Construction & Municipal Infrastructure
Controls fans and water circulation pumps in central air conditioning systems with PID control for energy savings. Adapts to water pumps in constant-pressure water supply systems and ventilation systems in residential complexes.
Textile Industry
Used in small weaving machines and spinning frames for precise yarn feeding speed control. Controls dye mixing motors and drying tunnel fans in fabric dyeing workshops. Compact design saves installation space in textile machinery.
Key Adaptation Advantages
Compliance & Compatibility: RoHS-compliant design meets environmental standards in Europe, North America, and other regions.
Precision & Stability: High-precision vector control and overload capacity handle frequent start/stop and variable-load scenarios.
Space-Saving & Durable: Compact size fits limited installation spaces while optional IP55 protection adapts to harsh environments.
Energy Efficiency: PID control and optimal excitation control reduce energy consumption, aligning with global energy-saving policies.
Easy Integration: Built-in Modbus-RTU and support for extended communication protocols enable seamless integration with existing industrial control systems.
Frequently Asked Questions
Power Supply & Grid Adaptation: European home bakery experiences undervoltage alarms at 160V
The minimum allowable voltage is 170V. Upgrade power cord to 1.5mm² copper wire, set parameter P052 to "Low" for extended protection delay, and install a 1.5kW single-phase automatic voltage stabilizer. Avoid running simultaneously with other high-power devices.
Installation & Environment: Outdoor pump station experiences moisture issues
Base IP20 rating insufficient for outdoor humidity. Install IP55 waterproof enclosure, raise installation height to 60cm above ground, apply conformal coating to terminals, and drill drainage holes in enclosure.
Load Adaptation: Dough mixer reports overload alarms with thick dough
Enable "Torque Boost" function (parameter P021), switch to advanced flux vector control (parameter P001 = 2), and perform motor auto-tuning. Consider upgrading to higher-power model for long-term use.
Communication: PLC cannot read inverter running speed via Modbus RTU
Verify communication parameters match (address P100=1, baud rate P101=9600bps, data format P102=8N1). Check wiring (S+ to A, S- to B) using shielded twisted-pair cable. Use FR Configurator2 software to test communication.
Maintenance: Preventive measures for multiple inverters in Brazilian factory
Clean heatsink and fan blades every 3 months with compressed air. Tighten terminals every 6 months. Enable "lifespan diagnosis" function (parameter P050) and backup parameters to USB drive. Use IP55 enclosures in harsh environments.
Certification: CSA certification requirements for Canadian exports
FR-E740-2.2K-CHT is CSA-certified. Provide CSA certification certificate, inverter nameplate with CSA logo, and technical data sheet with compliance statement. Set input voltage to 480V for Canadian grid compatibility.