{"product_id":"1771-p5-allen-bradley-plc-5-chassis-power-supply-module","title":"1771-P5 | Allen Bradley | PLC 5 Chassis Power Supply Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1771-P5\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-current DC power supply module specifically designed for the 1771 Universal I\/O chassis. It converts a nominal 24V DC source into the regulated 5V DC power required to drive the backplane and energized modules within a PLC 5 system. This module occupies two slots in the chassis and provides the robust electrical foundation necessary for distributed I\/O and processor operations. We supply this hardware as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Factory Original\u003c\/strong\u003e, offering a definitive solution for maintaining or expanding legacy PLC 5 infrastructures with zero-hour reliability.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1771-P5 utilizes efficient regulation circuitry to deliver high-amperage power across the 1771 backplane:\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\u003eNominal Input Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 Volts DC\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\u003e20.5–30 Volts DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Output Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Amperes (at 5 Volts DC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Real Input Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e57 Watts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDC \/ Rectified Sine\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFuse Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 Amperes, 32 Volts (Normal-Blow)\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\u003e1771 Chassis (Occupies 2 Slots)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eParallel Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSupported with -P10, -P5 modules\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCabling\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1771-CT Compatibility\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\u003e2.56 lbs (1.16 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\u003eHigh-Capacity Backplane Delivery:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module delivers a continuous 8 Amperes of current at 5V DC directly to the 1771 backplane. This high power density supports chassis fully populated with complex analog or high-speed communication modules that demand significant current.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eParallel Power Expansion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1771-P5 supports parallel configuration with additional 1771-P5 or 1771-P10 modules. This allows engineers to scale power capacity for oversized racks or implement redundancy to prevent system-wide shutdowns in the event of a single power supply failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWide DC Input Tolerance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe unit operates reliably within an input range of 20.5V to 30V DC. This wide window compensates for voltage drops in long-distance DC distribution runs and ensures stable PLC operation despite fluctuations in the primary 24V DC battery or power bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Circuit Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAn onboard 5A normal-blow fuse protects the internal components and the chassis backplane from overcurrent conditions. This sacrificial protection layer prevents catastrophic damage to expensive PLC 5 processors and I\/O modules during electrical faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Mechanical Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1771-P5 slides into any standard 1771 chassis, occupying two physical slots. The secure locking mechanism maintains electrical contact integrity even in environments subject to industrial vibration or mechanical shock.\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\u003eIs the 1771-P5 unit 100% Brand New?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We guarantee this power supply is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand arrives in its original Allen Bradley factory-sealed packaging. Every unit originates from original stock, ensuring that all internal capacitors and transformers provide their full engineered service life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace an AC power supply with this DC 1771-P5 model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1771-P5 requires a 24V DC input. While it fits the same mechanical 1771 chassis as AC models (like the 1771-P4), you must ensure your cabinet wiring provides the correct DC voltage. Switching from AC to DC power typically involves re-evaluating your cabinet’s power distribution and fuse sizing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhere should I install the 1771-P5 within the chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn most PLC 5 configurations, the power supply module resides in the leftmost slots of the 1771 chassis. However, the universal nature of the 1771 rack allows for flexibility; always verify that the total backplane current draw of your modules does not exceed the 8A rating of the 1771-P5.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require a specific cable for connection?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1771-P5 typically connects to the input power source using the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-CT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecabling system. Proper termination is critical to ensure low-resistance paths for the 24V DC input current.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53453180731576,"sku":"1771-P5","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1771-P5.jpg?v=1778490308","url":"https:\/\/www.globalpetroparts.com\/products\/1771-p5-allen-bradley-plc-5-chassis-power-supply-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}