{"product_id":"allen-bradley-1756-pb72k-controllogix-dc-power-supply-module","title":"Allen Bradley 1756-PB72K ControlLogix DC Power Supply Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1756-PB72K\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides high-current DC power directly to the ControlLogix backplane, supporting a wide range of I\/O, processors, and communication modules. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal unit features a specialized\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econformal coating\u003c\/strong\u003e, making it the primary choice for mission-critical systems operating in corrosive or humid environments. It converts an 18–32V DC input into stable power for the entire chassis, ensuring continuous operation of complex automation logic.\u003c\/p\u003e\n\u003ch2\u003ePart Number Breakdown\u003c\/h2\u003e\n\u003cp\u003eThe \"K\" suffix in the 1756 series signifies specific environmental hardening:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1756:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIdentifies the ControlLogix Platform.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePB:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIndicates a DC Power Supply (Standard).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e72:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRepresents the 75-Watt power capacity and specific physical frame.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eK:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDenotes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eConformal Coating\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Protective layer against salt spray, moisture, and chemical contaminants).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003eThe following table outlines the electrical and physical performance data for the 1756-PB72K:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\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\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18–32V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e75 Watts @ 60 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Current (Backplane)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e13 Amps at 1.2V; 13 Amps at 3.3V; 13 Amps at 5.1V; 2.8 Amps at 24V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.01 lbs (0.91 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLeft side of 1756 Chassis\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConformal Coating (K-Version)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Overvoltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eReverse polarity protected\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCorrosive Environment Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe conformal coating shields internal circuitry from airborne contaminants and moisture. This prevents dendritic growth and short circuits in wastewater treatment plants or chemical processing facilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified DC Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module accepts a broad 18–32V DC input, allowing direct integration with standard 24V DC industrial battery banks and redundant power systems without additional transformers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Power Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt delivers 75 Watts of power in a compact footprint, supporting fully loaded 17-slot chassis without requiring multiple power supplies in standard configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRapid Maintenance Access:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe chassis-mount design features a quick-release mechanism. This allows technicians to replace the unit in seconds, drastically reducing Mean Time to Repair (MTTR) during critical failures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the 1756-PB72K in a standard ControlLogix chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This module fits any standard 1756 ControlLogix chassis. However, it specifically occupies the dedicated power supply slot on the far left side of the rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the \"K\" version over the standard 1756-PB72?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"K\" version includes a factory-applied conformal coating. Choose this model if your installation site faces high humidity, salt air, or chemical vapors that would otherwise degrade standard electronic components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this power supply require a separate fuse?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module includes internal protection, but we recommend installing an external 10A fast-acting fuse on the DC input line to protect the supply from significant upstream surges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this unit refurbished?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. We guarantee this 1756-PB72K is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e. It ships in factory-sealed packaging with the manufacturer’s warranty intact.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52475373125941,"sku":"1756-PB72K","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1756-PB75_500f9060-4144-496d-bca6-043272762e10.jpg?v=1774402077","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-1756-pb72k-controllogix-dc-power-supply-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}