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The Mitsubishi Electric FR-A820-00077-1 FREQROL-A800 VFD is a compact industrial inverter designed for variable-speed control of three-phase AC motors. With a 0.75 kW Normal Duty motor capacity, the drive is suitable for compact machinery and automation systems requiring controlled motor speed, smooth acceleration and dependable operation. The FR-A820-00077-1 belongs to the Mitsubishi FREQROL-A800 series and uses a three-phase 200 to 240 V AC power supply.
One of the key advantages of the FR-A820-00077-1 is its flexible motor-control capability. The inverter supports V/F control, Advanced Magnetic Flux Vector control, Real Sensorless Vector control and Vector control. Depending on the selected duty rating, the model provides rated output currents of 7.7 A for SLD, 7.0 A for LD, 5.0 A for ND and 3.0 A for HD. This allows the same inverter platform to accommodate different load and operating requirements when correctly configured.
The FR-A820-00077-1 supports an output frequency range from 0.2 to 590 Hz, while selected vector-control modes are limited to 400 Hz. It also incorporates built-in regenerative braking, IP20 protection and self-cooling. The drive can be used in a variety of industrial equipment and motor-control applications, including conveyors, pumps, fans, machine tools and general automation machinery. For replacement or maintenance requirements, the exact model number and required duty rating should always be matched with the existing application before installation.