{"product_id":"allen-bradley-1769-pb4k-compactlogix-dc-power-supply","title":"Allen Bradley 1769-PB4K CompactLogix DC Power Supply","description":"\u003cdiv class=\"flex max-w-full flex-col flex-grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+\u0026amp;]:mt-5\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003ch2\u003eAllen Bradley 1769-PB4K CompactLogix DC Power Supply\u003c\/h2\u003e\n\u003cp\u003eConfigured for powering Compact I\/O racks in CompactLogix systems, the \u003cstrong\u003eAllen Bradley 1769-PB4K\u003c\/strong\u003e (\u003cstrong\u003e1769-PB4\u003c\/strong\u003e DC power supply) provides direct regulated current distribution with conformal coating for corrosive environments.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\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\u003cth\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1769-PB4K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eAllen Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eInput 19.2–31.2 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e4 A @ 5 VDC, 2 A @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCoating\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eConformal coated (K suffix)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModule Capacity\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eSupports up to 16 I\/O modules (8 per side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eDIN rail or panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe 1769-PB4K integrates into CompactLogix backplane bus structures where deterministic communication is critical. Profinet and EtherNet\/IP protocols ensure predictable cycle times for I\/O updates. The module’s design maintains synchronization across distributed racks, minimizing jitter and guaranteeing deterministic execution within automation networks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1769-PB4K support hot-swap replacement? A: No, removal or insertion under power is not supported; the system must be de-energized before replacement.\u003c\/p\u003e\n\u003cp\u003eQ: What is the backplane current load contribution of this module? A: The module contributes to the CompactLogix backplane current budget; exact values depend on rack configuration but must be considered during system design.\u003c\/p\u003e\n\u003cp\u003eQ: Is firmware compatibility required for installation? A: No firmware resides in the power supply; compatibility concerns apply only to controller and I\/O modules.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure DIN rail or panel mounting surfaces are rigid and properly grounded.\u003c\/li\u003e\n\u003cli\u003eMaintain clearance for airflow and heat dissipation.\u003c\/li\u003e\n\u003cli\u003eRoute DC input wiring separately from signal lines to reduce electrical noise.\u003c\/li\u003e\n\u003cli\u003eConnect shielding and grounding conductors according to industrial EMC practices.\u003c\/li\u003e\n\u003cli\u003eVerify conformal coating integrity before installation in corrosive environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":44079632285770,"sku":"1769-PB4K","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8569\/3770\/files\/1769-PA2_3.png?v=1741073723","url":"https:\/\/www.topbrandsplc.com\/products\/allen-bradley-1769-pb4k-compactlogix-dc-power-supply","provider":"Topbrands PLC Limited","version":"1.0","type":"link"}