Join to our online upcoming free webinars...

Central unit with 2x BUS - CU3-08M


EAN: 8595188184403 | Code: 8440 standard


  • CU3-08M is one of the basic system control of iNELS BUS installations.
  • The unit can work independently, as an autonomous project, or it can be controlled by the IP-MASTER as part of a larger Project.
  • The units is equipped with two BUS, to which it is possible to connect a total of up to 64 elements (2x32) from the iNELS BUS portfolio.
  • The current load of one line is max. 1 A. BPS3-01M with 3 A can be used in the case of a connected device with more than 1 A.
  • The RJ45 100 Mbps Ethernet connector is used for direct communication with the cloud for mobile app control or for communication with the superior unit within the iNELS IP topology.
  • Configuration takes place in the iNELS3 Designer & Manager software (iDM3). Through iDM3 it is possible to update the firmware of central units and bus-connected peripheral units.
  • The central unit is implemented with MQTT protocol for 3rd party communication. 
  • The unit is powered by 27 V DC from iNELS power supply. BUS1 can power the central unit.
  • System units CU3-08M in 1-MODULE design are designed for mounting into a switchboard on DIN rail EN60715.



Customer Centre


+420 800 100 671

Technical support