FR-F840-04320-E3U6 is a Mitsubishi Electric FREQROL FR-F800 variable frequency drive optimized for energy-efficient control of fans, pumps and other variable-torque loads.
The FR-F800 provides advanced optimum-excitation control, automatic energy-saving operation, built-in PID and PLC functions, functional-safety capability, USB commissioning and conformal-coated circuit boards for improved environmental resistance.
It is designed for HVAC systems, cooling towers, pumps, fans, compressors and water-treatment equipment where energy savings and stable process control are priorities.
This model-specific information helps confirm the motor supply, load profile, communication requirements and required power components before ordering.
| Horsepower | 350 HP |
|---|---|
| Voltage | 480 V |
| Phase | 3PH |
| Brand | Mitsubishi |
Pricing for this drive is provided by quotation. Tell us about your motor and application so our team can confirm the correct configuration.
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Reviewed options for FR-F840-04320-E3U6.
Options are matched to this model. Reactor sizes refer to the stated actual motor kW. Choose one communication card; multiple cards, feedback systems and special braking applications need an installation review. Unpublished or unavailable parts remain listed for availability requests.
| Select | Part | Application / table limits | Price |
|---|---|---|---|
| — | FR-HEL-H185KRequired for selected duty | DC-link choke for LD duty. Mitsubishi PSG selection table. | Request availability |
| — | FR-HEL-H220KRequired for selected duty | DC-link choke for SLD duty. Mitsubishi PSG selection table. | Request availability |
| — | FR-A8AX | 16-bit BCD/binary digital input. Choose one expansion option here; multiple cards require a slot review. Mitsubishi PSG. | Request availability |
| — | FR-A8AY | Extended analog and digital outputs. Choose one expansion option here; multiple cards require a slot review. Mitsubishi PSG. | Request availability |
| — | FR-A8AR | Three additional relay outputs. Choose one expansion option here; multiple cards require a slot review. Mitsubishi PSG. | Request availability |
| — | FR-A8AN | 4–20 mA input/output option card. | Request availability |
| — | FR-A8ERS-60 | RS-485 communication option card. | Request availability |
| — | FR-A8NL | LONWorks communication card. | Request availability |
| — | FR-A8NC | CC-Link communication card; connectors are sold separately. Select A8NC-CON for the card-and-connectors package. | Request availability |
| — | A8NC-CON | CC-Link card and connectors package. Alternative to FR-A8NC; do not buy both. | Request availability |
| — | FR-A8ND | DeviceNet communication card. | Request availability |
| — | FR-A8NP | PROFIBUS DPV0 communication card. | Request availability |
| — | A8NDPV1 | PROFIBUS DPV1 communication card. | Request availability |
| — | FR-A8NF | FL-Net communication card. | Request availability |
| — | A8N-XLT | Multi-protocol RS-485: BACnet MS/TP, Siemens FLN (P1), Metasys N2. | Request availability |
| — | A8NEIP-2P | EtherNet/IP communication card. | Request availability |
| — | A8NPRT-2P | PROFINET communication card. | Request availability |
| — | FR-A8NCE | CC-Link IE Field Network communication card. Not usable with FR-A8TAT. | Request availability |
| — | FR-A8NCG | CC-Link IE TSN communication card. | Request availability |
| — | A8NECT-2P | EtherCAT communication card. | Request availability |
| — | A8NETH-2P | Multi-protocol Ethernet: EtherNet/IP, Modbus TCP/IP, PROFINET, BACnet IP. | Request availability |
| — | FR-LU08 | LCD operation panel. Direct mounting or remote mounting; remote installation additionally needs FR-ADP and an FR-CB20 cable. | Request availability |
| — | FR-PU07 | LCD parameter unit. A connection cable is required; the selected FR-CB20 cable is added with this unit. | Request availability |
| — | FR-PU07BB-L | FR-PU07BB-L portable parameter unit with battery backup. Includes FR-CB203 cable; batteries are not included. | Request availability |
| — | FR-CB203 | 3 m operation/parameter-unit connection cable. Choose one cable length. | Request availability |
| — | FR-ADP | Adapter for remote mounting an FR-LU08/FR-DU08 panel using an FR-CB20 cable. | Request availability |
| — | FR-CONFIGURATOR2 | Mitsubishi setup and maintenance software. Use a software version supporting this exact drive and its interface. | Request availability |
| — | FR-LU08-01 | LCD operation panel with Hand/Auto key for HVAC. Remote mounting needs FR-ADP and an FR-CB20 cable. | Request availability |
| — | FR-PU07-01 | Parameter unit for HVAC; panel mounting requires an FR-CB20 connection cable. | Request availability |
| — | FR-CB201 | 1 m operation/parameter-unit connection cable. Choose the cable length you need. | Request availability |
| — | FR-CB205 | 5 m operation/parameter-unit connection cable. Choose the cable length you need. | Request availability |
| — | FR-A8TAT | Terminal-block adapter for replacement of an A500/A700 installation. Confirm the original terminal block before selection. | Request availability |
| — | AF8FN-M | NEMA 1 conduit mounting kit matched to this frame. Confirm whether already supplied with the selected enclosure version. PSG Edition 25 p553. | Request availability |
| 3 × FR-BU2-H75K + 3 × MT-BR5-H75K | Complete external braking combination for a 350 HP motor at SLD drive rating. 5% ED at 100% braking torque; short-time rating 15 seconds. Includes 3 brake unit(s) and 3 resistor unit(s). Follow Mitsubishi wiring and thermal protection instructions. PSG25 p549. Choose one braking combination; special lifting or higher-duty applications require review. | $26,562.00 | |
| 4 × FR-BU2-H75K + 4 × MT-BR5-H75K | Complete external braking combination for a 350 HP motor at SLD drive rating. 13% ED at 100% braking torque; short-time rating 15 seconds. Includes 4 brake unit(s) and 4 resistor unit(s). Follow Mitsubishi wiring and thermal protection instructions. PSG25 p549. Choose one braking combination; special lifting or higher-duty applications require review. | $35,416.00 | |
| 5 × FR-BU2-H75K + 5 × MT-BR5-H75K | Complete external braking combination for a 350 HP motor at SLD drive rating. 20% ED at 100% braking torque; short-time rating 15 seconds. Includes 5 brake unit(s) and 5 resistor unit(s). Follow Mitsubishi wiring and thermal protection instructions. PSG25 p549. Choose one braking combination; special lifting or higher-duty applications require review. | $44,270.00 | |
| 6 × FR-BU2-H75K + 6 × MT-BR5-H75K | Complete external braking combination for a 350 HP motor at SLD drive rating. 25% ED at 100% braking torque; short-time rating 15 seconds. Includes 6 brake unit(s) and 6 resistor unit(s). Follow Mitsubishi wiring and thermal protection instructions. PSG25 p549. Choose one braking combination; special lifting or higher-duty applications require review. | $53,124.00 | |
| 7 × FR-BU2-H75K + 7 × MT-BR5-H75K | Complete external braking combination for a 350 HP motor at SLD drive rating. 40% ED at 100% braking torque; short-time rating 15 seconds. Includes 7 brake unit(s) and 7 resistor unit(s). Follow Mitsubishi wiring and thermal protection instructions. PSG25 p549. Choose one braking combination; special lifting or higher-duty applications require review. | $61,978.00 | |
| 8 × FR-BU2-H75K + 8 × MT-BR5-H75K | Complete external braking combination for a 350 HP motor at SLD drive rating. 50% ED at 100% braking torque; short-time rating 15 seconds. Includes 8 brake unit(s) and 8 resistor unit(s). Follow Mitsubishi wiring and thermal protection instructions. PSG25 p549. Choose one braking combination; special lifting or higher-duty applications require review. | $70,832.00 | |
| 3 × FR-BU2-H75K + 3 × MT-BR5-H75K | Complete external braking combination for a 300 HP motor at LD drive rating. 10% ED at 100% braking torque; short-time rating 15 seconds. Includes 3 brake unit(s) and 3 resistor unit(s). Follow Mitsubishi wiring and thermal protection instructions. PSG25 p549. Choose one braking combination; special lifting or higher-duty applications require review. | $26,562.00 | |
| 4 × FR-BU2-H75K + 4 × MT-BR5-H75K | Complete external braking combination for a 300 HP motor at LD drive rating. 15% ED at 100% braking torque; short-time rating 15 seconds. Includes 4 brake unit(s) and 4 resistor unit(s). Follow Mitsubishi wiring and thermal protection instructions. PSG25 p549. Choose one braking combination; special lifting or higher-duty applications require review. | $35,416.00 | |
| 5 × FR-BU2-H75K + 5 × MT-BR5-H75K | Complete external braking combination for a 300 HP motor at LD drive rating. 25% ED at 100% braking torque; short-time rating 15 seconds. Includes 5 brake unit(s) and 5 resistor unit(s). Follow Mitsubishi wiring and thermal protection instructions. PSG25 p549. Choose one braking combination; special lifting or higher-duty applications require review. | $44,270.00 | |
| 6 × FR-BU2-H75K + 6 × MT-BR5-H75K | Complete external braking combination for a 300 HP motor at LD drive rating. 40% ED at 100% braking torque; short-time rating 15 seconds. Includes 6 brake unit(s) and 6 resistor unit(s). Follow Mitsubishi wiring and thermal protection instructions. PSG25 p549. Choose one braking combination; special lifting or higher-duty applications require review. | $53,124.00 | |
| 7 × FR-BU2-H75K + 7 × MT-BR5-H75K | Complete external braking combination for a 300 HP motor at LD drive rating. 55% ED at 100% braking torque; short-time rating 15 seconds. Includes 7 brake unit(s) and 7 resistor unit(s). Follow Mitsubishi wiring and thermal protection instructions. PSG25 p549. Choose one braking combination; special lifting or higher-duty applications require review. | $61,978.00 | |
| 8 × FR-BU2-H75K + 8 × MT-BR5-H75K | Complete external braking combination for a 300 HP motor at LD drive rating. 70% ED at 100% braking torque; short-time rating 15 seconds. Includes 8 brake unit(s) and 8 resistor unit(s). Follow Mitsubishi wiring and thermal protection instructions. PSG25 p549. Choose one braking combination; special lifting or higher-duty applications require review. | $70,832.00 |
FR-F840-04320-E3U6 — These options depend on the motor, duty and installation. Request a matched selection before ordering an external brake unit, resistor set, reactor, converter, communication card or replacement mounting adapter.
Some resistor selections require two resistors wired in series or parallel. Those sets are not offered as a single loose resistor; confirm the matched parts and quantities with us.
This model needs an application review before we can recommend accessories.
No other families with the same specs found.
MITSUBISHI ELECTRIC FREQROL
Energy-optimized control for fans, pumps and HVAC systems
The Mitsubishi Electric FR-F800 is purpose-built for variable-torque applications where energy efficiency, system integration and reliable process control matter.
APPLICATIONS IN ACTION
Optimum excitation control and energy-monitoring functions help reduce power consumption across changing fan and pump loads.
Integrated PID functions support stable pressure, flow and temperature control without unnecessary external components.
The FR-F800 family is designed for building systems, water systems and other fan-and-pump applications requiring continuous operation.
FR-F800-E models add built-in 100 Mbps Ethernet for remote commissioning, monitoring and parameter adjustment.
SELECT THE RIGHT SKU
Communication capability is tied to the exact SKU. FR-F800-E models support built-in Ethernet functions including MODBUS/TCP and CC-Link IE Field Network Basic; other protocols may require the appropriate model or option.
