{"product_id":"allen-bradley-1794-ps1-expansion-power-supply-module","title":"Allen-Bradley 1794-PS1 FLEX I\/O Power Supply Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1794-PS1 is a dedicated power supply module designed for use within the FLEX I\/O system. This module provides the necessary DC power to support FLEX I\/O communication adapters and I\/O modules when the system requirements exceed the capacity of the adapter's internal power supply or when isolation is required. Note that this specific model has been discontinued by the manufacturer.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned specifically for the Allen-Bradley FLEX I\/O platform.\u003c\/li\u003e\n\u003cli\u003eSupports universal AC input voltage ranges for global industrial compatibility.\u003c\/li\u003e\n\u003cli\u003eProvides a stable 24VDC output for system components.\u003c\/li\u003e\n\u003cli\u003eCompact footprint suitable for standard DIN-rail mounting within control cabinets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e1794-PS1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e120\/230VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e1A (Max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the power supply is installed in a clean, dry environment within an appropriate industrial enclosure.\u003c\/li\u003e\n\u003cli\u003eMount the module on a standard 35mm DIN rail.\u003c\/li\u003e\n\u003cli\u003eVerify that the input voltage matches the module specifications before applying power.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the module to ensure proper ventilation and heat dissipation.\u003c\/li\u003e\n\u003cli\u003eAlways disconnect all power sources before installing, removing, or wiring the module to prevent electrical shock or equipment damage.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shielded cabling for I\/O connections to minimize electromagnetic interference (EMI).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the 1794-PS1 still in production?\u003c\/h3\u003e\u003cp\u003eNo, the 1794-PS1 has been discontinued by Allen-Bradley. We provide tested, reliable surplus units to support legacy systems.\u003c\/p\u003e\u003ch3\u003eWhat is the primary function of this module?\u003c\/h3\u003e\u003cp\u003eThe 1794-PS1 acts as a power supply for the FLEX I\/O backplane, ensuring that connected I\/O modules receive consistent 24VDC power for reliable operation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50919548354812,"sku":"1794-PS1","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_064ccd6c-f7dd-4676-8552-b7228652aa52.jpg?v=1785904564","url":"https:\/\/www.electronicplc.com\/products\/allen-bradley-1794-ps1-expansion-power-supply-module","provider":"Electronic PLC","version":"1.0","type":"link"}