Schaefer offers a wide range of Chassis Mount AC-DC Power Supply with Single Phase (1Æ) AC & Three Phase AC (3Æ) Input  for Industrial, Railway and Military application with single output from 5V – 400VDC. The converters are highly configurable as per application parallel, series, redundant connection. Products with PFC / without PFC and all standard protection against input reverse polarity, active inrush current limiter, and Conduction Cooled type.