Title: Mitsubishi FR-E740-0.4KNF Compact Inverter - 0.4kW 400V Variable Frequency Drive

Product Overview:
The Mitsubishi FR-E740-0.4KNF is a high-performance, compact variable frequency drive (VFD) engineered for a diverse range of industrial automation applications. This 0.4kW, 400V class inverter delivers exceptional motor control precision, superior energy efficiency, and robust reliability within a space-saving design. Equipped with advanced sensorless vector control, integrated safety functions, and flexible connectivity options, the FR-E740-0.4KNF ensures optimal motor performance and contributes to significant energy savings. Its robust construction and long-life components make it an ideal and durable solution for modern manufacturing and process control systems, enhancing productivity and reducing operational costs.

Key Features & Benefits:

 Advanced Sensorless Vector Control: Provides high starting torque and precise speed regulation across a wide speed range, even at low speeds, without the need for an encoder, ensuring smooth and accurate motor operation for demanding tasks.
 Compact Design: Its ultra-compact footprint allows for installation in small control cabinets and tight spaces, optimizing panel layout and reducing overall system size and material costs.
 Integrated Safety Stop (STO): Features a built-in Safe Torque Off (STO) function (EN ISO 13849-1 PLd, IEC 61508 SIL2) directly integrated into the drive, enhancing machine safety by preventing unexpected motor startup and simplifying safety circuit design.
 Built-in USB Port: Facilitates easy parameter setup, real-time monitoring, and efficient diagnostics directly from a PC, streamlining commissioning, maintenance, and troubleshooting processes.
 Integrated Braking Transistor: Allows for direct connection of a braking resistor (for models up to 15kW), enabling rapid deceleration of high-inertia loads without the need for external braking units, saving space and reducing system complexity.
 Energy Saving Function: Optimizes motor efficiency and significantly reduces power consumption during operation, leading to substantial operational cost savings and a lower environmental footprint.
 Long Life Components: Designed with high-quality, durable components such as long-life capacitors and cooling fans for extended service life and reduced maintenance requirements, ensuring reliable long-term performance.
 Flexible Network Connectivity: Supports RS-485 (Modbus RTU) communication as standard, with options for various industrial fieldbus networks (e.g., CC-Link, Profibus-DP, DeviceNet, EtherNet/IP) via optional communication cards, ensuring seamless integration into existing control systems.
 Easy Setup and Operation: Features an intuitive parameter structure, a clear display, and a setup dial for quick and easy configuration and monitoring, significantly reducing commissioning time.
 Overload Capacity: Capable of handling 150% of rated current for 60 seconds and 200% for 3 seconds, providing robust and reliable performance for applications with fluctuating load demands.

Applications:

The Mitsubishi FR-E740-0.4KNF is a highly versatile variable frequency drive suitable for a broad spectrum of industrial applications requiring precise motor control, energy efficiency, and reliable operation, including:
 Conveyor Systems: For smooth, controlled, and energy-efficient material handling in logistics, manufacturing, and packaging lines.
 Fans and Pumps: Optimizing flow rates and pressure in HVAC systems, water treatment plants, and industrial fluid management for significant energy savings.
 Machine Tools: Providing accurate speed control for drills, grinders, small lathes, and other machining centers, enhancing precision and productivity.
 Packaging Machinery: Ensuring precise motion control for filling, sealing, labeling, and wrapping processes in automated packaging lines.
 Textile Machinery: For controlled winding, weaving, spinning, and knitting operations, improving product quality and process efficiency.
 Food and Beverage Processing: Maintaining hygiene and precision in various processing stages, from mixing to bottling.
 General Industrial Machinery: Applicable to a wide range of equipment where variable speed control is essential for process optimization, energy reduction, and enhanced operational flexibility.

Technical Specifications:

 Part Number: FR-E740-0.4KNF
 Alternative Part Number: FRE7400.4KNF
 Input Voltage: 3-phase, 380-480V AC, 50/60 Hz
 Output Power: 0.4 kW (0.5 HP)
 Rated Output Current: 1.2 A
 Output Frequency Range: 0.2 to 400 Hz
 Control Method: V/f control, Sensorless Vector Control, Advanced Magnetic Flux Vector Control
 Overload Capacity: 150% of rated current for 60 seconds, 200% for 3 seconds
 Protection Features: Overcurrent, Overvoltage, Undervoltage, Overload, Heatsink Overheat, Motor Overheat (via PTC thermistor), Ground Fault, Output Short Circuit
 Built-in Braking Transistor: Yes
 Communication Ports: RS-485 (Modbus RTU), USB
 Safety Function: Safe Torque Off (STO) according to EN ISO 13849-1 PLd, IEC 61508 SIL2
 Enclosure Rating: IP20
 Operating Temperature: -10°C to +50°C (14°F to 122°F)
 Dimensions (WxHxD): Approximately 68 mm x 128 mm x 128.5 mm (2.68 in x 5.04 in x 5.06 in)
 Weight: 0.8 kg (1.76 lbs)