Power Supply – PR Electronics 9421


  • Supply voltage 85…132 VAC or 187…264 VAC
  • Optional connection of backup supply
  • Approved for installation in I.S. / Ex zone 2 / Div. 2
  • Active signal output
  • Optional parallel connection

9421 Series designed for reliable operation under difficult factory floor conditions. High immunity against electrical disturbances and rugged metal casing make these modules the best choice to power sensitive loads in industrial process control systems, machine tools or other demanding industrial applications. They provide a DC-OK signal and external shut down function. Detachable screw terminal blocks make the connection easy. This power supply line is accompanied by a wide range of function modules for reliable system solutions:

  • Redundancy modules for true current sharing in parallel operation and for redundant systems.
  • Battery controller modules to configure high reliable UPS systems for 12, 24 and 48 VDC. Selection of battery packs available.
  • Buffer modules for protection against short time AC power loss. Maintenance free! No batteries required.


PR Electronic 9421 Power supply-DpstarGroup