{"product_id":"1756-pb72-c-1756-a7-c-allen-bradley-24v-dc-7-slot-bundle","title":"1756-PB72\/C 1756-A7\/C | Allen Bradley | 24V DC 7-Slot Bundle","description":"\u003ch3\u003e\u003cstrong\u003eAllen Bradley 1756-PB72\/C ControlLogix 24V DC Power Supply with 1756-A7 Chassis Bundle\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-PB72\/C (1756-PB72\/C)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-reliability DC-to-DC power supply module engineered for the Allen-Bradley ControlLogix platform. This specific bundle includes the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-A7 (1756-A7\/C)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e7-slot chassis, providing a ready-to-deploy foundation for industrial automation racks. The power supply converts a nominal 24V DC input into the regulated voltages required by the backplane to drive Logix5000 processors, communication bridge modules, and high-density I\/O.\u003c\/p\u003e\n\u003cp\u003eThe Series C revision of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PB72 (1756-PB72\/C)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeatures enhanced circuitry to manage voltage fluctuations and inrush current more effectively than previous iterations. A critical safety feature is its integrated diagnostic signaling; the module monitors the input rail and notifies the controller of imminent power failure, allowing the system to save critical retentive data and execute an orderly shutdown before the backplane loses logic power.\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-PB72\/C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-A7\/C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecombination provides 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\u003ePower Supply Model\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PB72\/C\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis Model\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-A7\/C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(7-Slot)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e: 18–32V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e: 24V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Input Power\u003c\/strong\u003e: 95 Watts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Output Power\u003c\/strong\u003e: 75 Watts @ 0–60 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current Capacity (1.2V DC)\u003c\/strong\u003e: 1.5 Amperes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current Capacity (3.3V DC)\u003c\/strong\u003e: 4.0 Amperes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current Capacity (5.1V DC)\u003c\/strong\u003e: 13.0 Amperes @ 40 °C; 10.0 Amperes @ 50 °C; 6.0 Amperes @ 60 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current Capacity (24V DC)\u003c\/strong\u003e: 2.8 Amperes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInrush Current (Max)\u003c\/strong\u003e: 20 Amperes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHold-up Time\u003c\/strong\u003e: 35 ms @ 18V DC; 40 ms @ 24V DC; 40 ms @ 32V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e: 250V Continuous (Basic Insulation Type)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis Slots\u003c\/strong\u003e: 7 Slots (Horizontal mounting)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: 0°C to +60°C (32°F to 140°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":44001036927075,"sku":"1756-PB72C","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/290._cf2653a3-09f6-4c5c-8ce4-8156b76aba60.jpg?v=1770968455","url":"https:\/\/www.autocontrolglobal.com\/products\/1756-pb72-c-1756-a7-c-allen-bradley-24v-dc-7-slot-bundle","provider":"AutoControl Global","version":"1.0","type":"link"}