SMA Power Supply Unit for Cluster Controller

by SMA

STEP POWER power supply units – for building automation

The new STEP POWER generation of compact power supply units is particularly suitable for installation distributors and flat control panels thanks to its design. The power supply units are available with 24 V DC output voltage in four performance classes and widths and with the special voltages 5, 12, 15 and 48 V DC. Their high degree of efficiency and the low standby losses make for high power efficiency.


  • Easy assembly on the DIN rail or panel
  • Maximum energy efficiency thanks to low idling losses
  • Quick startup with LED function monitoring
  • High operating safety due to long mains buffering under full load and high MTBF (> 500,000 h)
  • Can be used worldwide in all industrial sectors due to a wide-range input and an international approval package
  • Wide temperature range of -25°C to +70°C
  • Parallel connection possible for increased performance and redundancy


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