{"product_id":"allen-bradley-1756-pa50-controllogix-ac-power-supply-module","title":"Allen-Bradley 1756-PA50 ControlLogix AC Power Supply Module","description":"\u003ch2\u003eAllen-Bradley 1756-PA50 ControlLogix AC Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for regulated backplane power conversion in ControlLogix chassis systems, the \u003cstrong\u003eAllen-Bradley 1756-PA50\u003c\/strong\u003e (\u003cstrong\u003e1756-PA50\u003c\/strong\u003e AC Power Supply Module) provides direct electrical power delivery from 85-265 VAC input to 5.1 VDC and 3.3 VDC chassis power rails.\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-PA50\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.65 lbs\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 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e60 W maximum output power at 0-50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAC Power Supply Modules\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 Range\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\u003e81 W\/91 VA at 50 deg C; 68 W\/77 VA at 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\u003e8 A at 5.1 VDC, 2 A at 3.3 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output Power\u003c\/td\u003e\n\u003ctd\u003e60 W at 0-50 deg C; 50 W at 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 at 60 W, 5 cycles at 50 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\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5-95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Resistance\u003c\/td\u003e\n\u003ctd\u003e2 G at 10-500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eControlLogix Backplane Power Conversion Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1756-PA50 provides AC-to-DC conversion for ControlLogix chassis backplane power distribution. The module supplies regulated 5.1 VDC and 3.3 VDC outputs for connected controllers, communication modules, and I\/O modules installed in the chassis.\u003c\/p\u003e\n\u003cp\u003eFor Allen-Bradley ControlLogix platforms, the power supply module supports chassis power loading through defined backplane current capacity. The design includes voltage failure indication functions for system shutdown coordination and firmware-controlled monitoring functions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What input voltage range does the 1756-PA50 support?\u003cbr\u003eA: The module accepts 85-265 VAC input with a 47-63 Hz operating frequency range.\u003c\/p\u003e\n\u003cp\u003eQ: What DC outputs are provided by the power supply?\u003cbr\u003eA: The module provides 5.1 VDC output at up to 8 A and 3.3 VDC output at up to 2 A for ControlLogix chassis power distribution.\u003c\/p\u003e\n\u003cp\u003eQ: What chassis mounting configuration is required?\u003cbr\u003eA: The 1756-PA50 is installed as a chassis-mounted ControlLogix power supply module.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1756-PA50 in the designated ControlLogix chassis power supply position and verify that the chassis grounding system is connected according to installation requirements.\u003c\/p\u003e\n\u003cp\u003eConnect AC input wiring using appropriate industrial electrical protection and isolation practices. Keep AC power wiring separated from low-level signal wiring and communication cables. Confirm input voltage compatibility before energizing the module.\u003c\/p\u003e\n\u003cp\u003eEnsure adequate cabinet airflow around the power supply to maintain the specified operating temperature range. Inspect power connections and chassis mounting hardware during maintenance activities.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43624041840730,"sku":"1756-PA50","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-PA502.jpg?v=1783578587","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-pa50-controllogix-ac-power-supply-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}