Grundfos CUE IP55 external frequency converters


1 992,50 € tax incl.


The CUE is a multifunctional frequency converter suitable for many applications that require reliable and cost-effective operation.

Cue is used in five main applications:

Water supply and overpressure;

Heating and air conditioning;

Process and sanitary facilities;




Select your model in the options.


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External frequency converters

A series of CUE frequency converters for the speed control of many Grundfos pumps.

CUE Grundfos is the newest member of the range of electronic speed-regulating pumping systems. It is suitable for a multitude of applications such as industry, building maintenance, private or municipal water supply, wastewater and irrigation. This new series of wall-mounted frequency converters with Grundfos pump features and a special user interface offers functions similar to those of Grundfos electronic pumps, which are equipped with motors incorporating a frequency converter.

With the CUE solution, you can regulate the speed of virtually any Grundfos pump, regardless of size, power range and scope.



The CUE is a frequency converter for Grundfos pumps and provides a range of predefined functions that make it easy to use the converter in virtually any application area. A series of predefined regulatory modes, such as constant pressure, proportional pressure, constant level or constant throughput, makes it easy to set up a system in just a few steps. A special starter guide will guide you through the CUE configuration.  

The CUE has several entrances and exits


1 RS-485 GENIbus connection

1 analog input, 0-10 V, 0/4-20 mA: external set point 

1 analog input, 0/4-20 mA: sensor input 

1 analog output, 0-20 mA

4 digital entries: start/stop and 3 programmable entries

2 relays (C/NO/NC): programmable

Technical data and benefits


  • Grundfos pump speed control
  • Simple setup
  • Predefined regulation modes
  • Predefined sensor range
  • Predefined pump family data
  • Sharing the interface with the control equipment
  • Additional features available
  • Automatic adjustment of the direction of rotation
  • 16 steps to get the system up and running




P2IntypeIpExit filter
0.551.8-1.6CUE 0.55 kW55 Sin. 2.5
0.752.4-2.1CUE 0.75 kW
1.13-2.7CUE 1.1 kWSin.4.5
1.54.1-3.4CUE 1.5 kW
2.25.6-4.8CUE 2.2 kWSin .8
37.2-6.3CUE 3 kW
4th10-8.2CUE 4 kWSin. 10
5.513-11CUE 5.5 kWSin. 17
7.516-14.5CUE 7.5 kW
11th24-21CUE 11 kWdU/dt 44Sin. 24
1532-27CUE 15 kWSin. 38
18.537.5-34CUE 18.5 kW
2244-40CUE 22 kWSin. 48th
3061-52CUE 30 kWdU/dt 90Sin .62
3773-65CUE 37 kWSin. 75
45th90-80CUE 45 kWSin. 115th
55106-105CUE 55 kWdU/dt 106
75147-130CUE 75 kWdU/dt 177Sin. 180th
90177-160CUE 90 kW