{"product_id":"allen-bradley-1794-ps3-flex-i-o-power-supply-module","title":"Allen-Bradley 1794-PS3 Flex I\/O Power Supply Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1794-PS3\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1794-PS3\u003c\/strong\u003e Power Supply Module, operates as a dedicated hardware component for converting line-level AC power into regulated DC bus power within Allen-Bradley Flex I\/O platforms. The unit supplies up to 3.0 A at 24 VDC to energize connected Flex I\/O functional modules, adapter interfaces, and field-side loop circuitry.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.85 lbs (0.39 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Flex I\/O Power Module Dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e86 W maximum input power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e120\/220 VAC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Capacity\u003c\/td\u003e\n\u003ctd\u003e3.0 A continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eFlex I\/O 1794 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; EtherNet\/IP Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe 1794-PS3 provides clean, noise-filtered 24 VDC output power essential for maintaining stable backplane bus communication velocity across adjacent Flex I\/O modules and EtherNet\/IP adapter units. Regulated voltage rails protect sensitive microprocessors and network transceiver logic from line voltage transients and dip-induced brownouts. Internal electrical isolation barriers suppress high-frequency line noise originating from main AC supply lines, preventing EMI propagation into high-speed digital network segments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What input AC voltage range is compatible with the 1794-PS3 power supply?\u003c\/p\u003e\n\u003cp\u003eA: The module accommodates nominal 120 VAC or 220 VAC power distribution lines to generate regulated secondary DC output.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum output current rating provided by the 1794-PS3?\u003c\/p\u003e\n\u003cp\u003eA: The unit supplies a continuous 24 VDC current output up to a maximum load limit of 3.0 A (86 W power dissipation limit).\u003c\/p\u003e\n\u003cp\u003eQ: How does the 1794-PS3 connect to adjacent Flex I\/O modules?\u003c\/p\u003e\n\u003cp\u003eA: The power supply mounts alongside the Flex I\/O rack assembly, providing hardwired 24 VDC power directly to terminal base power buses and communication adapters.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the 1794-PS3 securely onto a grounded TS35 DIN rail adjacent to the Flex I\/O adapter and module assembly.\u003c\/li\u003e\n\u003cli\u003eWire incoming AC supply lines (120\/220 VAC) to the designated primary power terminals using appropriately sized conductors.\u003c\/li\u003e\n\u003cli\u003eConnect the 24 VDC output terminals to the primary power connections of the 1794 I\/O terminal bases and network adapter.\u003c\/li\u003e\n\u003cli\u003eVerify proper grounding by running a low-impedance conductor from the power supply chassis ground terminal to the main enclosure earth bus bar.\u003c\/li\u003e\n\u003cli\u003eProvide sufficient clearance around the module heat sink fins to permit passive convection cooling during full 3.0 A continuous output operation.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52786953257240,"sku":"1794-PS3","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/1794-PS3_Cocoai_1.jpg?v=1790651341","url":"https:\/\/www.innoplcsync.com\/products\/allen-bradley-1794-ps3-flex-i-o-power-supply-module","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}