The Allen-Bradley 1771-P4S1 is a power supply module designed for the 1771 PLC-5 series, providing reliable power to peripheral devices within the 1771 chassis. It delivers a steady 5 Volt DC output at 8 Amps, supporting stable operation for connected components. The module accepts an input voltage ranging from 85 to 120 Volts AC RMS, drawing 1.06 Amps at 100 Volts AC nominal. With a maximum power dissipation of 16 Watts and thermal dissipation rated at 47.8 BTU/hour, the 1771-P4S1 meets IEC 60068 standards for operating ambient temperature, performing reliably in both cold and dry heat conditions. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number 1771-P4S1 Product Type Power Supply Module Output Voltage 5 V DC Output Current 8 Amps Input Voltage Range 85 - 120 V AC RMS Input Current 1.06 Amps @ 100 V AC Power Dissipation 16 Watts Thermal Dissipation 47.8 BTU/hour Operating Temperature IEC 60068 Cold and Dry Heat Tested
