{"product_id":"allen-bradley-1756-pa75rk-redundant-ac-power-supply-module","title":"Allen-Bradley 1756-PA75RK Redundant AC Power Supply Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1756-PA75RK is a redundant AC power supply module designed for the ControlLogix platform. This panel-mounted unit accepts 120-220 Volts AC input and delivers a reliable 75 Watts at 60°C to power your control system. Built with a Series B chassis, it supports load sharing between power supplies, enhancing system uptime and redundancy.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1756-PA75RK\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\u003eRedundant AC Power Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e120-220 Volts AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Range\u003c\/td\u003e\n\u003ctd\u003e85-265 Volts AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Power\u003c\/td\u003e\n\u003ctd\u003e115 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Frequency\u003c\/td\u003e\n\u003ctd\u003e47-63 Hertz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Output\u003c\/td\u003e\n\u003ctd\u003e75 Watts at 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Series\u003c\/td\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003ePanel Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3.2 lb (1.45 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e6.9 x 5.7 x 5.4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e32-140°F (0-60°C)\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\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRedundant operation with load sharing capability\u003c\/li\u003e\n\u003cli\u003eWide input voltage range (85-265 VAC) for global use\u003c\/li\u003e\n\u003cli\u003eStatus indicators and system recognition relay for monitoring\u003c\/li\u003e\n\u003cli\u003eDurable design withstands up to 60°C ambient temperatures\u003c\/li\u003e\n\u003cli\u003ePanel-mounted, Series B chassis for easy integration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1756-PA75RK is ideal for critical industrial processes where power redundancy is essential. Common applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturing assembly lines requiring uninterrupted PLC operation\u003c\/li\u003e\n\u003cli\u003eProcess control systems in chemical or oil \u0026amp; gas plants\u003c\/li\u003e\n\u003cli\u003eMaterial handling systems where downtime is costly\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWith its robust input range and redundant design, this power supply minimizes the risk of unexpected shutdowns, directly improving operational efficiency and reducing costly downtime.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\u003cp\u003eMount the 1756-PA75RK on a standard panel using the provided mounting holes. Ensure adequate clearance for airflow and wiring. Connect the AC input to the terminal block, observing proper wire sizing (conductor: 2.5 mm² \/ 14 AWG rated at 90°C) and torque to 0.79 N·m. For redundant operation, connect multiple units and enable load sharing per the ControlLogix documentation.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eRegularly inspect the power supply for dust accumulation and ensure the ventilation paths are clear. Check all connections for tightness and signs of corrosion. The 1756-PA75RK is engineered for long service life, but periodic testing of the redundant configuration is recommended to confirm failover functionality. Operating within the specified temperature range (0-60°C) ensures optimal performance and longevity.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThis power supply is designed specifically for the Allen-Bradley ControlLogix platform. It integrates seamlessly with ControlLogix chassis and backplanes, providing clean, regulated power to all modules. The redundant capability allows pairing with another 1756-PA75RK to create a fault-tolerant power architecture.\u003c\/p\u003e\u003ch2\u003eBuying Guide\u003c\/h2\u003e\u003cp\u003eWhen purchasing the Allen-Bradley 1756-PA75RK, verify the input voltage requirements of your facility and confirm the chassis series compatibility. Consider ordering a spare unit to maintain redundancy and minimize downtime. PLC Source PRO offers genuine Allen-Bradley parts with reliable availability and competitive pricing.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44436127121507,"sku":"1756-PA75RK","price":282.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1756-2WS_2_f8d3219c-dfc6-4ad0-b539-18123c3731f8.jpg?v=1785792423","url":"https:\/\/www.plcsourcepro.com\/he\/products\/allen-bradley-1756-pa75rk-redundant-ac-power-supply-module","provider":"PLC Source PRO","version":"1.0","type":"link"}