{"product_id":"allen-bradley-1756-pa75r-a-controllogix-redundant-ac-power-supply-module","title":"Allen-Bradley 1756-PA75R\/A ControlLogix Redundant AC Power Supply Module","description":"\u003ch2\u003eAllen-Bradley 1756-PA75R\/A ControlLogix Redundant AC Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for redundant AC-to-DC power conversion in ControlLogix chassis platforms, the \u003cstrong\u003eAllen-Bradley 1756-PA75R\/A\u003c\/strong\u003e (\u003cstrong\u003e1756-PA75R\u003c\/strong\u003e ControlLogix Redundant AC Power Supply Module) provides direct electrical execution for regulated backplane power distribution with redundant supply configuration support.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-PA75R\/A\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eControlLogix Redundant AC Power Supply Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eBulletin 1756 ControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e85-265 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e120\/240 VAC\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\u003eMaximum Input Power\u003c\/td\u003e\n\u003ctd\u003e120 W \/ 130 VA @ 50 deg C; 100 W \/ 110 VA @ 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInrush Current\u003c\/td\u003e\n\u003ctd\u003e20 A maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5.1 VDC and 3.3 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e5.1 VDC @ 13 A (50 deg C), 10 A (60 deg C); 3.3 VDC @ 4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output Power\u003c\/td\u003e\n\u003ctd\u003e75 W @ 0-50 deg C; 60 W @ 0-60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHold-up Time\u003c\/td\u003e\n\u003ctd\u003e4 cycles @ 75 W; 5 cycles @ 60 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e250 V continuous, reinforced insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Support\u003c\/td\u003e\n\u003ctd\u003eRedundant power supply configuration support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.77 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e140 x 78 x 145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0-60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMaximum input power 120 W \/ 130 VA @ 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and ControlLogix Redundant Power Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 1756-PA75R\/A provides regulated DC power through the ControlLogix backplane interface while supporting redundant power supply arrangements. The module enables I\/O density scaling by maintaining chassis power availability for controllers, communication modules, and I\/O modules. The redundant architecture allows system designers to configure multiple power sources for continued chassis operation during individual supply faults.\u003c\/p\u003e\n\u003ch3\u003eBackplane Bus Communication and Firmware Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe 1756-PA75R\/A functions as a power hardware component within the ControlLogix platform and does not perform user application processing or network communication. System compatibility is determined by chassis configuration, installed modules, and backplane power requirements. The module integrates with ControlLogix systems through the standard backplane bus structure.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the purpose of the redundancy function in the 1756-PA75R\/A?\u003cbr\u003eA: The module supports redundant power supply configurations where multiple power supply units can be arranged to maintain chassis power availability during a supply fault condition.\u003c\/p\u003e\n\u003cp\u003eQ: What DC output levels are provided by the 1756-PA75R\/A?\u003cbr\u003eA: The module provides 5.1 VDC and 3.3 VDC outputs for ControlLogix chassis backplane power requirements.\u003c\/p\u003e\n\u003cp\u003eQ: Is the 1756-PA75R\/A a communication module?\u003cbr\u003eA: No. The module provides AC power conversion and backplane power distribution only. Communication functions are provided by separate ControlLogix communication modules.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1756-PA75R\/A in the designated ControlLogix chassis power supply location and verify redundant supply configuration requirements before operation. Confirm AC input wiring matches the specified voltage range and apply appropriate protective grounding.\u003c\/p\u003e\n\u003cp\u003eRoute AC power cables separately from low-level analog wiring and communication network cables to reduce electromagnetic interference. Verify chassis mounting, backplane engagement, and environmental conditions before energizing the system. For redundant installations, confirm both power supply units are correctly connected and configured according to system design requirements.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43624182480986,"sku":"1756-PA75R\/A","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-PA75RA2.jpg?v=1783581223","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-pa75r-a-controllogix-redundant-ac-power-supply-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}