{"product_id":"allen-bradley-1756-pa75-industrial-automation-module-heavy-duty","title":"Allen-Bradley 1756-PA75 Industrial Automation Module - Heavy-Duty","description":"\u003ch2\u003eProduct Introduction\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-PA75\u003c\/strong\u003e is a standard AC power supply engineered for ControlLogix automation platforms. This \u003cstrong\u003eIndustrial Automation Module\u003c\/strong\u003e converts external 85-265VAC line power into the regulated DC voltages that ControlLogix backplanes require, ensuring stable operation of all connected I\/O, communication, and controller modules.\u003c\/p\u003e\u003cp\u003eDesigned for the leftmost slot of any 1756 chassis, the 1756-PA75 delivers 75W of output power at 0 to +60 °C, with triple-output current capacity: 4A at 3.3VDC, 13A at 5.1VDC, and 2.8A at 24VDC. Its wide input range and robust construction make it a dependable choice for demanding industrial environments.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eThe following table lists the key specifications of the \u003cstrong\u003eAllen-Bradley 1756-PA75\u003c\/strong\u003e:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation \/ Allen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eStandard DC Power Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e85-265VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e120\/240VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Frequency\u003c\/td\u003e\n\u003ctd\u003e47-63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Power\u003c\/td\u003e\n\u003ctd\u003e100 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e75 Watts at 60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Capacity\u003c\/td\u003e\n\u003ctd\u003e4A at 3.3VDC; 13A at 5.1VDC; 2.8A at 24VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e250 Volts Continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Inrush Current\u003c\/td\u003e\n\u003ctd\u003e30 Amperes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHold-Up Time\u003c\/td\u003e\n\u003ctd\u003e2 cycles @ 85VAC, 60 Hz; 6 cycles @ 120VAC, 60 Hz; 20 cycles @ 220VAC, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to +60 °C (32 to 140 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.95 kg (2.10 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e14.0 x 11.2 x 14.5 cm (5.51 x 4.41 x 5.71 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Compatibility\u003c\/td\u003e\n\u003ctd\u003e1756-A4\/A\/B\/C, 1756-A7\/A\/B\/C, 1756-A10\/A\/B\/C, 1756-A13\/A\/B\/C, 1756-A17\/A\/B\/C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUNSPSC\u003c\/td\u003e\n\u003ctd\u003e32151706\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e1756-PA75\u003c\/strong\u003e is ideal for applications requiring reliable backplane power in discrete and process control systems. Common uses include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturing assembly lines where ControlLogix controllers manage robotic cells and conveyors.\u003c\/li\u003e\n\u003cli\u003eOil and gas facilities that rely on redundant PLC architectures for critical safety interlocks.\u003c\/li\u003e\n\u003cli\u003eWater treatment plants using ControlLogix for SCADA and batch processing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWith its wide input range, the 1756-PA75 adapts to global power grids, reducing inventory complexity for OEMs and system integrators.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the 1756-PA75 in the dedicated power supply slot at the leftmost position of the 1756 chassis. Ensure the chassis is properly grounded and that the input power source matches the rated voltage and frequency. The power supply requires hardware configuration before operation—refer to the ControlLogix installation manual for jumper or switch settings. Always disconnect power before installing or removing the module.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eRegularly inspect the 1756-PA75 for dust accumulation and ensure adequate airflow around the chassis. The unit has a non-replaceable fuse that protects against short-circuit hazards; if the fuse blows, replace the entire power supply. Operating within the specified temperature range (0-60 °C) extends service life and maintains output accuracy. Periodic checks of input voltage and output currents help detect early signs of degradation.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe 1756-PA75 is fully compatible with all ControlLogix chassis models listed above, including Series A, B, and C revisions. It provides backplane power to any combination of ControlLogix modules, including controllers, I\/O, and communication interfaces. Ensure the total backplane power consumption does not exceed the 75W rating.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore purchasing, verify your chassis model and required power budget. The 1756-PA75 is a standard AC power supply; if your control panel uses DC power, consider the DC version (1756-PB75). For reliable sourcing, PLC Source PRO offers genuine Allen-Bradley 1756-PA75 modules with fast worldwide shipping.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44436119486563,"sku":"1756-PA75","price":296.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1756-2WS_0a54651b-0972-4ac6-972d-1fb10660a04c.jpg?v=1785792093","url":"https:\/\/www.plcsourcepro.com\/products\/allen-bradley-1756-pa75-industrial-automation-module-heavy-duty","provider":"PLC Source PRO","version":"1.0","type":"link"}