Power Supply Unit 640mA


Product Info

KNX power supply

The KNX-PS640 power supply unit enables the KNX bus to be supplied with system voltage (SELV). The output with integrated choke makes it possible to separate the power supply from the KNX bus communication line.


  • wide input voltage range: 195…265 V AC (50/60 Hz)
  • output voltage for the bus: 28…30 V DC
  • short-circuit protection for AC power input
  • short-circuit and overload protection for DC power output
  • LED indicators of power supply operating status
  • installation in electrical cabinets, on DIN rail (35 mm)
Product Brochures
  • S-KNX-PS640 Data Sheet
  • S-KNX-PS640 Brochure
  • Satel KNX Module Brochure
  • Satel KNX Building Automation Brochure
  • S-KNX-PS640 Installation Manual