Traco Power provides a wide range of DIN-rail power supplies  for General Purpose, Low Profile, Building Automation, Harsh Environment Industrial applications in rugged metal and plastic. Available in Single Phase AC (1Æ)and also Three Phase AC (3Æ) and product models can be expanded with built-in function modules for true N+1 redundancy operation or to a battery controller to configurate a DC back-up system (UPS).