Tycon Systems TP-VRHP-4824 DC Voltage Converter - 36-72V DC Input 36-72VDC Input, 24V 2.9A 70W Regulated out DCDC Isolated Voltage Converter Wire Terminal Input and out Connectors for 12AWG or Smaller Wires Industrial Strength, Metal Enclosure, Includes DIN Rail Mounting Kit 85% Minimum Efficiency, -30C to +65C Operating Temp Applications: Security Systems, Remote Power Systems, Telecom Applications, Wireless Base Stations