HC-SF152BK-S4

Overview of Mitsubishi FR-F740-3.7K Inverter

The Mitsubishi FR-F740-3.7K is a 3.7 kW variable frequency drive (VFD) from the FR-F700 series, designed for efficient speed control of three-phase AC induction motors. It supports a power supply voltage range of 380 to 480 V AC and provides advanced vector control for energy-saving and high-performance motor operation.

Key Features of Mitsubishi FR-F740-3.7K

• Rated Output Power: 3.7 kW (5 HP)
• Power Supply: 3-phase 380-480 V AC, 50/60 Hz
• Rated Current: 8.0 A
• Maximum Current: 15.0 A
• Overload Capacity: 150% rated current for 60 seconds, 200% for 0.5 seconds (inverse-time characteristics)
• Control Method: Vector control, V/f control, Magnetic flux vector control
• Cooling Method: Forced air cooling
• Protection Class: IP20
• Communication: RS-485 communication available
• Operating Ambient Temperature: -10 to +50 °C
• Dimensions (WxHxD): 129.5 x 260 x 195 mm
• Weight: Approximately 1.5 kg
• Compliance: CE, UL

Technical Specifications of FR-F740-3.7K

Applications / Use Case

The FR-F740-3.7K inverter is widely used in industrial applications for efficient speed control of pumps, fans, conveyors, and other machinery requiring smooth acceleration, energy savings, and motor protection. Its vector control methods enable precise speed regulation and torque control to optimize production performance.

Manufactured by Mitsubishi Electric, the FR-F740-3.7K provides reliable, energy-efficient motor control with rich features for diverse industrial environments.