{"product_id":"1756-pa50-allen-bradley-controllogix-ac-power-supply-module","title":"1756-PA50 | Allen-Bradley ControlLogix AC Power Supply Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-PA50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as the primary power source for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlLogix 1756\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echassis systems. This standard AC power supply converts universal input voltages (85–265V AC) into the specific DC backplane voltages required by processors, communication bridges, and I\/O modules. We provide this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal factory stock, ensuring stable current distribution and voltage regulation for your most critical automation racks.\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\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\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley \/ Rockwell Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControlLogix 1756\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\u003eNominal Input Voltage\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\u003eCurrent Capacity @ 5.1V\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8.0 A @ 50°C; 6.0 A @ 60°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Capacity @ 24V\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 A @ 50°C; 2.0 A @ 60°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Inrush Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 Amperes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250 Volts (Continuous)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChassis Location\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLeft Side (Dedicated Slot)\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\u003e2.69 lbs (1.22 kg)\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\u003eUniversal AC Input Versatility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1756-PA50 handles a wide input window from 85V to 265V AC. This eliminates the need for separate regional models, allowing global deployment across different power grids without additional transformers or manual switching.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Hold-Up Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe internal capacitor bank provides a 30ms to 40ms hold-up time. This buffer protects your PLC logic during momentary brownouts or power dips, preventing nuisance trips and keeping the processor in \"Run\" mode through minor electrical disturbances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Current Delivery:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module delivers up to 8 Amps at 5.1V DC to the backplane. This high capacity supports power-hungry configurations, including high-speed counter modules and multiple EtherNet\/IP communication cards within a single 17-slot chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Surge Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe power supply features a 30A maximum inrush current limit and 250V continuous isolation. These electrical barriers protect sensitive silicon components in the CPU and I\/O modules from high-voltage transients often found in heavy industrial environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVertical Airflow Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module’s physical architecture facilitates natural convection. When mounted in the dedicated left-side chassis slot, the 1756-PA50 optimizes heat dissipation, maintaining rated current output even at elevated ambient temperatures up to 60°C.\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 I use the 1756-PA50 in a redundant power supply configuration?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNo. The 1756-PA50 is a standard power supply for single-supply applications. For redundancy, you must utilize the 1756-PA75R or 1756-PB75R series along with a 1756-CPR2 redundancy cable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I install the 1756-PA50 into the chassis?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module mounts specifically on the far left side of the 1756 chassis. Align the circuit board with the chassis guides and press firmly until the locking tabs snap into place. Ensure the input wiring follows local NEC or IEC standards for 120\/240V AC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit replace the older 1756-PA72?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes. The 1756-PA50 provides updated electronics and improved efficiency compared to legacy standard AC supplies. It maintains the same physical footprint and backplane compatibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a refurbished or pulled unit?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAbsolutely not. We guarantee this 1756-PA50 is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand arrives in original factory packaging with intact serial numbers for full warranty and E-E-A-T traceability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52532132086069,"sku":"1756-PA50","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1756-PBR21_5eb466e4-60ec-4037-9380-dc9604ac6577.jpg?v=1775201377","url":"https:\/\/www.5gplc.com\/products\/1756-pa50-allen-bradley-controllogix-ac-power-supply-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}