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                    • A-B 1797-PS1E FLEX Ex Power Supply Module

                      Product Overview

                      The Allen-Bradley 1797-PS1E FLEX Ex Power Supply is an intrinsically safe power supply designed for FLEX Ex I/O systems in hazardous industrial environments. It accepts AC power and provides four independently current-limited outputs to power compatible FLEX Ex modules. Each output channel supports up to 8.5 W.

                      

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                      Key Technical Specifications

                      Parameter	Specification
                      Brand	Allen-Bradley (A-B)
                      Model	1797-PS1E
                      Product Series	FLEX Ex
                      Product Type	Intrinsically Safe Power Supply
                      Input Voltage	85–253V AC
                      Input Frequency	47–63 Hz
                      Input Current	0.9 A
                      Number of Outputs	4
                      Output Power	8.5 W per channel
                      Total Output Power	34 W maximum rated channel capacity
                      Output Voltage	Intrinsically safe, energy-limited output
                      Output Current Limit	Less than 1 A per channel
                      Input Power	55 W
                      Power Dissipation	21 W
                      Enclosure Rating	IP65 / NEMA 7B
                      Mounting	Panel / enclosure mounting
                      Operating Temperature	-20 to +70°C
                      Weight	Approx. 7.7 kg
                      Lifecycle Status	Discontinued December 31, 2017

                      Specifications are based on Rockwell Automation documentation. Output voltage and current are intrinsically limited, so this unit should not be treated as a conventional 24V DC power supply.

                      

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                      Features and Advantages

                      • Four independent outputs for compatible FLEX Ex I/O modules.

                      • Intrinsically safe power distribution for hazardous-area applications.

                      • Flameproof enclosure with increased-safety input and output terminations.

                      • Galvanic isolation between the incoming power and intrinsically safe outputs.

                      • Helps simplify power distribution in industrial process systems.

                      Typical Applications

                      • Hazardous-area process automation

                      • Oil and gas instrumentation

                      • Chemical and petrochemical plants

                      • FLEX Ex remote I/O systems

                      • Industrial monitoring and control in classified areas

                      Important Notes

                      • Discontinued: Rockwell Automation lists this model as discontinued effective December 31, 2017.

                        

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                      • Use only with compatible FLEX Ex modules and approved system configurations.

                      • Do not exceed the 8.5 W output limit for any individual channel.

                      • Verify the nameplate, certification markings, and series before installation.

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• • • • • • • .The structure and details of the product：

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