Enertex® KNX Dual PowerSupply 1280

2-in-1 KNX power supply, 1280 mA + 320 mA, din rail (6 SU)

Enertex® KNX Dual PowerSupply 1280

Order number: 1173


  • 2-in-1 KNX power supply for supplying two KNX lines
  • Main line with integrated KNX choke for 1280 mA output current
  • Secondary line with integrated KNX choke for 320 mA output current
  • Additional third unchoked 30 V auxiliary voltage output for 320 mA output current with 100% overload capability
  • Separate short-circuit and overcurrent limitation for each output
  • No influence by short-circuit of one output to the others
  • High efficiency of over 90% at nominal load (efficiency before the choke)
  • Measurement of voltages, currents, power, telegram bus load, bus voltage failures and internal device temperature on KNX bus via group objects
  • Integrated bus coupling unit with (optional) KNX Data Secure communication
  • OLED display for clear indication of all important measurement and device data
  • Display of current values including time and date
  • 16 extensive time switches with 4 switching times and 4 group addresses each, including extensive logic functions, holiday calendar and astro function
  • Integrated KNX clock, buffered against power failure (power reserve approx. 36 hours)
  • Separate remote reset function (triggering bus resets via a group address) for both KNX lines
  • Bus telegram on exceeding or falling below parameterized limit values
  • Energy meter for energy consumption on the KNX bus
  • Configurable C14 text messages for bus status

Downloads Downloads

ZIP ETS Product 1.003, 11.11.2020
ZIP Firmware 1.014, 28.03.2023 (→ Update Tool)
PDF User Manual 16.12.2021
PDF Flyer 16.10.2020