{"product_id":"buy-allen-bradley-1769-pa4-ac-power-supply-module-best-price","title":"Buy Allen-Bradley 1769-PA4 AC Power Supply Module | Best Price","description":"\u003ch4\u003eGlobal PLC Spare HUB's Insight\u003c\/h4\u003e\n\u003cp\u003eDesigning robust automation architectures requires careful evaluation of backplane power loading and distance ratings. The \u003cstrong\u003e\u003cspan style=\"color: #0056b3; font-weight: bold;\"\u003e1769-PA4\u003c\/span\u003e\u003c\/strong\u003e AC power supply provides reliable 120V to 240V AC conversion, delivering up to 4.0 Amps at 5V DC and 2.0 Amps at 24V DC. Field experience shows that adhering to the maximum 16-module expansion limit (8 modules on each side) prevents voltage drop issues across high-density CompactLogix racks. Furthermore, proper selection of the switchable input voltage range protects internal circuitry from grid fluctuations during heavy industrial operations.\u003c\/p\u003e\n\u003ch4\u003eTechnical Architecture and Specifications Matrix\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003eEngineering Parameter\u003c\/th\u003e\n\u003cth\u003eTechnical Specification Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand and Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley Rockwell Automation \u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/allen-bradley-1769-compactlogix\"\u003eCompactLogix\u003c\/a\u003e Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \/ Catalog Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3; font-weight: bold;\"\u003e1769-PA4\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC Power Supply Module for I\/O Backplanes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSelectable Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85 to 265V AC or 170 to 265V AC (Switch-selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Output Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0 Amps at 5V DC and 2.0 Amps at 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Dissipation \u0026amp; Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 Watts dissipation max; 200 VA at 120V AC \/ 240 VA at 240V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDistance Rating Constraint\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupports up to 8 modules on either side (maximum 16 modules total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Fuse Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLittelfuse 02153.15MXP or Wickmann 19195-3.15A replaceable fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhysical Dimensions \u0026amp; Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.65 x 2.76 x 3.43 inches; Net weight approx. 1.16 lbs (525 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHardware Configuration Layout Tree\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Distribution Architecture:\u003c\/strong\u003e Allen-Bradley CompactLogix Platform\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Frequency Parameters:\u003c\/strong\u003e Operates efficiently across 47 to 63 Hertz frequency ranges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Flexibility:\u003c\/strong\u003e Supports standard DIN rail mounting or direct panel mounting options\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Accommodations:\u003c\/strong\u003e Finger-safe terminal block accepting 22 to 14 AWG solid copper wire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Classification:\u003c\/strong\u003e Open-style module featuring built-in status indicator LEDs and locking bus levers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDiagnostics, Protection, and Logistics Terms\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Capabilities:\u003c\/strong\u003e Front-panel LED status indicators provide immediate visual feedback regarding operational readiness and power status.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Safeguards:\u003c\/strong\u003e Features built-in overcurrent protection, maximum 25 Amp inrush current limiting, and continuous 265V isolation voltage rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Carriers:\u003c\/strong\u003e Secure, expedited global logistics managed through trusted carriers including FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFulfillment Window:\u003c\/strong\u003e Standard processing ensures dispatch from the warehouse within 24 to 48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Warranty:\u003c\/strong\u003e Backed by a comprehensive 12-month operational quality assurance warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatible Equipment and Target Application Scenarios\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Controllers:\u003c\/strong\u003e CompactLogix 1769-L3x processors and associated distributed I\/O modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiscrete Manufacturing Lines:\u003c\/strong\u003e High-density relay output racks and sensor-heavy automation cells requiring stable 24V DC auxiliary power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Control Panels:\u003c\/strong\u003e Industrial cabinets handling heavy-duty local control logic and multi-module expansion subsystems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Handling Systems:\u003c\/strong\u003e Conveyor control units operating in environments requiring reliable AC line filtering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSelection Guide and Engineering Advice\u003c\/h4\u003e\n\u003cp\u003eWhen engineering an expansion rack, always calculate the total current draw of all connected I\/O modules at both 5V DC and 24V DC to ensure the \u003cstrong\u003e\u003cspan style=\"color: #0056b3; font-weight: bold;\"\u003e1769-PA4\u003c\/span\u003e\u003c\/strong\u003e capacity limits are not exceeded. Double-check that the manual voltage selection switch is set correctly for your facility's incoming line voltage before initial power-up to prevent catastrophic fuse blowouts or internal component damage.\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat safety steps are required before switching the input voltage range on the \u003cspan style=\"color: #0056b3; font-weight: bold;\"\u003e1769-PA4\u003c\/span\u003e?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEnsure all external AC power is completely disconnected from the terminal block before manually adjusting the voltage selection switch to avoid electrical shock or equipment damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the power supply distance rating affect system expansion?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe rating mandates that no I\/O module can be positioned further than 8 modules away from the power supply on either side, capping total system expansion at 16 modules per power supply unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the proper procedure when an internal fuse blows due to an overcurrent event?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDisconnect power, remove the housing cover for the fuse, and replace it exclusively with an approved Littelfuse 02153.15MXP or Wickmann 19195-3.15A fuse.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this power supply handle heavy capacitive loads on discrete output modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the unit provides a robust 2.0 Amp output at 24V DC, which adequately supports standard inductive and capacitive loads typical in factory automation environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat wire gauge is recommended for optimal thermal performance on the AC input terminals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eField engineering standards recommend using 14 AWG solid copper wire rated for 90 degrees Celsius to maintain secure connections and comply with safety ratings.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013811495094,"sku":"1769-PA4","price":154.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1769-PA4_3ff292c3-f92b-4da1-b21e-f859aa6d1c56.jpg?v=1787814290","url":"https:\/\/www.plcsparehub.com\/products\/buy-allen-bradley-1769-pa4-ac-power-supply-module-best-price","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}