{"product_id":"allen-bradley-1769-pa4-i-o-power-supply-module-compactlogix","title":"Allen-Bradley 1769-PA4 I\/O Power Supply Module CompactLogix","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1769-PA4\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-PA4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eI\/O Power Supply, operates as a dedicated hardware component for localized voltage regulation within CompactLogix control platforms. The module executes AC-to-DC conversion, providing 4.0 A at 5 VDC and 2.0 A at 24 VDC to support system backplane requirements and integrated I\/O modules.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1769-PA4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.6 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15.5 x 13 x 8.5 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e200 VA @ 120 V AC \/ 240 VA @ 240 V AC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Voltage Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e85-265 V AC (switch selectable)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutput Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.0 A @ 5 VDC \/ 2.0 A @ 24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Dissipation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 W @ 60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDeterministic Industrial Control Integration\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-PA4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed to maintain backplane bus communication velocity by ensuring stable voltage levels across the CompactLogix system. Proper power distribution minimizes noise on the backplane, supporting deterministic network performance for EtherNet\/IP and related communication protocols. Firmware flash compatibility across the ControlLogix and CompactLogix ecosystems is maintained through this module's ability to provide a consistent electrical environment, preventing logic execution errors during I\/O density scaling or high-speed data processing cycles.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMounting: Mount the power supply on a clean, grounded panel or 35 mm DIN rail, ensuring space for adequate thermal convection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWiring: Utilize 22 to 14 AWG copper wire for all primary input connections; verify terminal tightness to ensure low-impedance contact.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelection: Position the input voltage selector switch to match the local AC supply (85-265 V AC range) before applying power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGrounding: Terminate the chassis ground terminal to a low-impedance earth ground to mitigate electromagnetic interference (EMI).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering info\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eIncludes: One (1) 1769-PA4 AC Power Supply module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDocumentation: Installation and technical instruction manual.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatibility: Supports a maximum of 16 I\/O modules, with a distance rating of 8 modules on either side of the supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1769-PA4 support hot-swapping?\u003c\/p\u003e\n\u003cp\u003eA: No, the power supply is not designed for hot-swapping. Isolate all power sources before performing maintenance or module installation.\u003c\/p\u003e\n\u003cp\u003eQ: How is the maximum module capacity calculated?\u003c\/p\u003e\n\u003cp\u003eA: The module has a distance rating of 8; I\/O modules must be configured so that the electrical load does not exceed the power supply's backplane capacity, with a maximum of 16 modules total in the configuration.\u003c\/p\u003e\n\u003cp\u003eQ: What action is required if the AC input voltage changes?\u003c\/p\u003e\n\u003cp\u003eA: The input voltage selector switch must be manually set to the correct range (85-265 V AC or 170-265 V AC) based on the supplied line voltage before energizing the unit.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066441093293,"sku":"1769-PA4","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allenbradley_1769-pa4_1.jpg?v=1780566600","url":"https:\/\/www.maxwellplc.com\/products\/allen-bradley-1769-pa4-i-o-power-supply-module-compactlogix","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}