{"product_id":"allen-bradley-1794-ps3-flex-i-o-power-supply-module","title":"Allen-Bradley 1794-PS3 Flex I\/O Power Supply Module","description":"\u003ch2\u003eAllen-Bradley 1794-PS3 Flex I\/O Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for Flex I\/O module power distribution in the Flex I\/O 1794 system, the \u003cstrong\u003eAllen-Bradley 1794-PS3\u003c\/strong\u003e (\u003cstrong\u003e1794-PS3\u003c\/strong\u003e Flex I\/O Power Supply Module) provides direct physical\/electrical execution for converting AC input power into regulated 24 V DC output for connected I\/O modules and adapters.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1794-PS3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFlex I\/O DC Power Supply Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eFlex I\/O 1794\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.75 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e12 W maximum power dissipation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e85-264 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Frequency Range\u003c\/td\u003e\n\u003ctd\u003e47-63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e120 V AC, 50\/60 Hz; 1.7 A max \/ 230 V AC, 50\/60 Hz; 1.1 A max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Current\u003c\/td\u003e\n\u003ctd\u003e1.9 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e20.4-27.6 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e3 A horizontal mounting; 2.8 A other mounting orientations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e72 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Load\u003c\/td\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvercurrent Protection\u003c\/td\u003e\n\u003ctd\u003e3.2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvervoltage Protection\u003c\/td\u003e\n\u003ctd\u003e35 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e2500 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInrush Current\u003c\/td\u003e\n\u003ctd\u003e40 A typical, 1 AC cycle at 265 V AC input and 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e41.0 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and Flex I\/O System Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1794-PS3 operates as a power distribution component within the Allen-Bradley Flex I\/O platform. The module supplies regulated DC power for Flex I\/O adapters and I\/O modules, supporting system expansion through the Flex I\/O backplane architecture. Power loading must be calculated according to connected adapter and I\/O module requirements to maintain the specified supply output limits.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What input voltage range is supported by the 1794-PS3?\u003cbr\u003eA: The module accepts an AC input range of 85-264 V AC with an input frequency range of 47-63 Hz.\u003c\/p\u003e\n\u003cp\u003eQ: What DC output is provided by the 1794-PS3?\u003cbr\u003eA: The power supply provides a nominal 24 V DC output with an operating range of 20.4-27.6 V DC.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 1794-PS3 support Flex I\/O adapter and module expansion loads?\u003cbr\u003eA: The module output surge capability is specified to support power delivery for up to 10 adapters, subject to system configuration and load requirements.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the power supply module according to the Flex I\/O system mounting requirements and maintain correct mechanical engagement with adjacent modules.\u003c\/li\u003e\n\u003cli\u003eVerify AC input wiring polarity, protective grounding, and terminal connections before energizing the system.\u003c\/li\u003e\n\u003cli\u003eSeparate AC power conductors from low-level I\/O signal wiring to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shield termination practices for connected signal cables where required by the installation environment.\u003c\/li\u003e\n\u003cli\u003eConfirm total Flex I\/O module and adapter current demand does not exceed the available DC output current rating.\u003c\/li\u003e\n\u003cli\u003eCheck enclosure ventilation and thermal conditions to prevent excessive heat accumulation around the power supply module.\u003c\/li\u003e\n\u003cli\u003eFollow Allen-Bradley Flex I\/O installation documentation for grounding, wiring, and maintenance procedures.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43782823411802,"sku":"1794-PS3","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1794-PS32.jpg?v=1785816080","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1794-ps3-flex-i-o-power-supply-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}