{"product_id":"75-watt-chassis-backplane-power-1756-pa72-c-allen-bradley","title":"75 Watt Chassis Backplane Power | 1756-PA72\/C Allen Bradley","description":"\u003ch3\u003e\u003cstrong\u003eAllen Bradley 1756-PA72\/C ControlLogix 75W AC Power Supply Module\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PA72 (1756-PA72\/C)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance standard AC power supply engineered for the Allen-Bradley ControlLogix series. This module serves as the primary power source for the ControlLogix backplane, converting universal line voltage into the specific regulated DC potentials required by CPUs, motion modules, and I\/O cards. The Series C revision represents a hardware refinement that optimizes thermal management and internal component longevity compared to earlier versions.\u003c\/p\u003e\n\u003cp\u003eDesigned for maximum reliability in industrial environments, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PA72 (1756-PA72\/C)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eincludes advanced hold-up time circuitry. This allows the system to remain operational during brief voltage sags and provides a signal to the controller for a graceful system shutdown if power loss is sustained. With a 75-Watt output capacity, it is capable of supporting medium-to-large chassis configurations across global power standards (85–265V AC).\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PA72\/C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides stable power distribution with the following engineering parameters:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Allen-Bradley (Rockwell Automation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel\/Part Number\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PA72\/C\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e: ControlLogix Power Supplies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e: 85–265V AC (Universal)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e: 120V \/ 240V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Frequency Range\u003c\/strong\u003e: 47–63 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Input Power\u003c\/strong\u003e: 100 VA \/ 100 W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Output Power\u003c\/strong\u003e: 75 W @ 0–60 °C (140 °F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Capacity (1.2V DC)\u003c\/strong\u003e: 1.5 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Capacity (3.3V DC)\u003c\/strong\u003e: 4.0 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Capacity (5.1V DC)\u003c\/strong\u003e: 13.0 A @ 40 °C; 10.0 A @ 50 °C; 6.0 A @ 60 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Capacity (24V DC)\u003c\/strong\u003e: 2.8 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Inrush Current\u003c\/strong\u003e: 20 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e: 250V (continuous), tested at 1500V AC for 60 s\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHold-up Time\u003c\/strong\u003e: 5 cycles @ 85V AC; 6 cycles @ 120V AC; 25 cycles @ 240V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e: Dedicated left-side slot in any 1756 ControlLogix Chassis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.95 kg ( 2.1 lbs)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":44001016316003,"sku":"1756-PA72 C","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/288_ac5db2d6-8587-4642-9c50-6291321684e1.jpg?v=1770967232","url":"https:\/\/www.autocontrolglobal.com\/products\/75-watt-chassis-backplane-power-1756-pa72-c-allen-bradley","provider":"AutoControl Global","version":"1.0","type":"link"}