{"product_id":"allen-bradley-1756-pa72k-controllogix-ac-power-supply-module","title":"Allen Bradley 1756-PA72K ControlLogix AC Power Supply Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1756-PA72K\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides stable, regulated DC power to the backplane of any ControlLogix chassis. This AC-input module occupies the dedicated left-side slot of the chassis, sustaining the operation of processors, I\/O modules, and communication cards. The \"K\" suffix designates this unit as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econformal coated\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eversion, shielding internal electronics from harsh atmospheric conditions. We guarantee this unit is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal factory equipment, ensuring maximum uptime for your mission-critical automation systems.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\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 Details\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 (Nominal)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120V \/ 240V AC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\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\u003e85–265V AC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Frequency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e47–63 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 Watts\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 (140 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChassis Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSeries A or B\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Location\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChassis - Left Side\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0–60 °C (32–140 °F)\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\u003e2.19 lbs (0.99 kg)\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\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConformal Coating Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1756-PA72K features a specialized protective film over its internal circuitry. This coating prevents corrosion and electrical tracking caused by humidity, salt spray, dust, and chemical vapors. Engineers specify this \"K\" version for wastewater treatment, oil and gas, and chemical processing plants to extend hardware service life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUniversal AC Input:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module accepts a wide input range from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e85V to 265V AC\u003c\/strong\u003e. This flexibility allows the power supply to handle global voltage standards and tolerate significant line fluctuations or \"brownouts\" without interrupting the DC power delivered to the ControlLogix backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Thermal Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis power supply maintains a full\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e75W output\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eeven at the upper operating temperature limit of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e60 °C (140 °F)\u003c\/strong\u003e. The robust thermal design ensures that high-density chassis populated with multiple motion controllers or high-speed processors receive consistent power in non-air-conditioned enclosures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeamless Chassis Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module slide-locks into the far-left position of the ControlLogix chassis. This dedicated placement isolates the power input from the I\/O signals, reducing electromagnetic interference (EMI) and simplifying cabinet wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 1756-PA72K replace a standard 1756-PA72 module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1756-PA72K is a direct, functional replacement for the non-coated 1756-PA72. It shares the same electrical footprint and mounting requirements while offering superior environmental protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the \"K\" version in a clean control room?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEven in climate-controlled rooms, conformal coating provides an extra layer of insurance against accidental moisture ingress or long-term oxidation of solder joints, effectively lowering the failure rate over the module's 10-15 year lifecycle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I verify the power requirements for my specific chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSum the backplane current draw (at 1.2V, 3.3V, 5.1V, and 24V DC) for every module in your chassis. The total power consumption must not exceed the 75W output rating of the 1756-PA72K. Use Rockwell’s Integrated Architecture Builder (IAB) for precise calculations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this product factory-sealed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbsolutely. We only sell\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal units. The 1756-PA72K arrives in its original Allen Bradley packaging with the manufacturer's seal and UPC\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e885630569444\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eintact.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52804617863477,"sku":"1756-PA72K","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1756-PBR21_fe1d142c-dff0-45af-a678-7c82fff5bf34.jpg?v=1777529598","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-1756-pa72k-controllogix-ac-power-supply-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}