Allen-Bradley 1734-EP24DC Point I/O 24V DC POWER/BUS Expansion Power Supply; I/O Module Capacity: 4-17 modules, depending on current rating of each module; 24V DC nominal Input Voltage Rating; 10-28.8V DC range; Field Side Power Requirements: 24V dc (+20% = 28.8V dc maximum) @ 400 mA maximum; Inrush Current: 6 A maximum for 10 ms; Indicators: 1 Green Field Power Status & 1 Green 5V System Power; POINT Bus Output Current Horizontal mounting: 1A at 10-19.2V input, 1.3A at 19.2-28.8V input, Vertical mounting: 1A at 10-28.8V input; Reverse polarity protected Input Overvoltage Protection