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Mitsubishi Electric F800 Resets a.c. Inverter Performance Benchmarks 

Mitsubishi Electric's latest generation of a.c. inverter technology, the FR-F800, offers previously unattainable performance in terms of energy saving, optimised speed control, simple start-up, connectivity and the versatility of its features - it even comes with a 3 year warranty! 

The F800 is designed to be used with pumps and fans but is equally suitable for compressors and HVAC applications. It features innovative functions that ensure accurate control, while also achieving energy efficiency figures of 98%.

Download; 25 Things You May Not Know About a.c. Inverters (Drives) 

Bespoke PID Controller and On-board PLC

At the heart of the FR-F800 is a bespoke PID controller and on-board PLC which provides the drive with true stand-alone capabilities, controlling fans, pumps and compressors directly rather than requiring an additional controller. 

It can also be used to control multiple pumps - allowing for variable speed control and the energy efficiency benefits which that brings. It can even run pump cleaning cycles automatically, ideal for waste water sites. 

The End of Nuisance Trips?

Instead of relying on single set points for trip activation, an algorithm in the drive can effectively detect the fan or pump torque curve of the attached load and react appropriately when operational limits are approached, which means an end to nuisance trips caused by unusual but not critical load variations. 

Far fewer false alarms means more uptime, fewer maintenance trips and faster responses to genuine issues such as jammed pumps, broken impellers, snapped belts, etc. which can now be more accurately detected by the drive. 

Energy Optimisation

Improving energy efficiency for an already efficient product is all about making marginal gains and the Mitsubishi F800 has a wide range of features and functions that create efficient operation. For example, during standby all unnecessary circuits are shut down to reduce energy usage. Advanced Optimum Excitation Control (AOEC) maximises energy savings even for high torque loads, while intelligent cooling fans only activate when a set point temperature has been reached. The F800 can also control the external control panel cooling fans based on the control panel temperature, saving costs by removing the need for a thermometer within the panel. 

Network Connectivity

When it comes to network connectivity, the F800 can communicate via CC-Link, Profibus, Ethernet, EtherCat, SSCNETIII, DeviceNet and Lonworks, whilst RS485, Modbus, BacNet etc are fitted as standard. A wide range of I/O connections is complemented by options for input and output reactors, DC link chokes, harmonic filters, regeneration units and braking modules.

Features at a Glance

  • Three year warranty
  • Advanced PID controller
  • Intelligent load detection
  • Pump clean function (de-ragging)
  • Motor preheat function
  • Mechanical resonance suppression
  • Intelligent energy optimisation
  • Autotuning of any IM/PM motor
  • Built in safety function STO
  • Easy to start up
  • Built in PLC function
  • Intelligent predictive maintenance
  • Easy system fault diagnosis


Looking for more information? We can help with that...

If you would like further information about the FR-F800 or any other a.c. inverter in the Mitsubishi Electric range, download a copy of the PDFs on the right, or call our Head Office Sales Department on 01254 685900. Our Sales Advisors or Technical Support Engineers will be happy to help.

...or place your order online

Remember, you can now check our stock and place your Mitsubishi order online. Buy Mitsubishi FR-F800 Series Inverters Online . Don't forget to login to see your prices.

Mitsubishi F800 Inverter



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