Mitsubishi FR-D740-3.7K Variable Frequency Drive for FREQROL FR-D700 Series

The Mitsubishi FR-D740-3.7K (FR-D740-3.7K) is a compact variable frequency drive designed for precision motor control within the FREQROL FR-D700 series. Engineered for three-phase equipment setups, this inverter delivers reliable speed and torque regulation for standard induction motors across manufacturing, material handling, packaging, and processing machinery. It operates with a three-phase AC input rating of 200 V to 240 V AC at 50/60 Hz, with nominal operational values specified between 220 V and 230 V AC. This high-performance drive provides a rated power capacity of 3.7 kW (3 HP) alongside a rated output current of 10 A. It supports a broad output frequency span ranging from 0.2 Hz to 400 Hz, accommodating low-speed operations as well as high-speed motor performance. Built with an IP20 degree of protection, the unit includes integrated Modbus RTU communication capability for direct integration with supervisory controllers. Its architecture ensures dependable speed regulation and machine protection, serving as a suitable solution for equivalent FRD72022K installations.