FRENIC-AQUA is the first slim type inverter dedicated for a variety of applications of water supply and wastewater treatment system from Fuji Electric. This new series follows European trends keeping high Japanese reliability. Specific functions to prevent damage on the systems and new energy saving functions are installed as standard, positioning FRENIC-AQUA as a high performance inverter on the pumping application market. Print page


Now: Available as Cabinet Solution!


  • Wide capacity range from 0.75 kW to 710 kW
  • IP21 & IP55 with same dimension
  • DCR Reactor and EMC filter built-in up 90 kW. Built-in EMC filter for all capacities
  • Overload capability 110% 
  • Torque Vector control
  • Modbus RTU, BACnet MS/TP, Metasys N2; integrated as standard
  • Large LCD display, 19 languages + user customizable language
  • Specific macros for common fan and compressor applications
  • Customizable Logic (mini PLC), 14 steps, possibility to manage digital and also analog signals
  • Real Time Clock (RTC)
  • 4 PID sets
  • Unit conversion function (kPa, bar, l/min, etc.)
  • Fire mode (forced operation)
  • Catch spinning motor
  • Password function
  • New energy saving functions (sleep mode)
  • Multipump control (up to 9 pumps with one inverter)
  • Anti jam function
  • Pipe fill mode
  • Extension cable for remote operation (CB-…S)
  • Battery (OPK-BP)

Option cards

Fieldbus options:

  • CC-Link communications card (OPC-CCL)
  • DeviceNet communications card (OPC-DEV)
  • PROFIBUS DP communications card (OPC-PDP2)
  • CANopen communications card (OPC-COP)
  • LonWorks communications card (OPC-LNW)
  • Ethernet communications card (OPC-ETH)

Other options:

  • Relay output interface card (2 outputs) (OPC-RY)
  • Relay output interface card (7 outputs) (OPC-RY2)
  • Analog input interface card (OPC-AIO)
  • Analog current output interface card (OPC-AO)
  • Pt100 temperature sensor input card (OPC-PT)