{"product_id":"allen-bradley-1756-pb75-controllogix-dc-power-supply","title":"Allen-Bradley 1756-PB75 ControlLogix DC Power Supply","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PB75\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a DC-powered chassis supply engineered for ControlLogix automation systems. Developed by\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley\u003c\/strong\u003e, this module delivers regulated backplane power to support controllers and I\/O modules installed within a 1756 chassis.\u003c\/p\u003e\n\u003cp\u003eDesigned for industrial environments, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PB75\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eaccepts a wide 24V DC nominal input and maintains stable output under varying load conditions. It is installed on the left side of the ControlLogix rack and provides sufficient power capacity for medium to large system configurations.\u003c\/p\u003e\n\u003cp\u003eThe unit incorporates protection against electrical stress conditions such as inrush current and supports standard industrial wiring practices, ensuring dependable long-term operation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Functional Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDC input power supply for ControlLogix chassis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWide operating input range for 24V DC systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProvides stable backplane power to controllers and I\/O modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for left-side chassis mounting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh inrush current tolerance for industrial power systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with standard copper wiring (solid or stranded)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1756-PB75\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDC Power Supply Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e18–32 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Power\u003c\/td\u003e\n\u003ctd\u003e95 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output Power\u003c\/td\u003e\n\u003ctd\u003e75 W (0°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Inrush Current\u003c\/td\u003e\n\u003ctd\u003e30 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e250 V (continuous)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Position\u003c\/td\u003e\n\u003ctd\u003eLeft side of 1756 chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring\u003c\/td\u003e\n\u003ctd\u003e14 AWG copper (solid or stranded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Category\u003c\/td\u003e\n\u003ctd\u003eCategory 1 (power ports)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen-style (panel enclosure required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.16 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PB75\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis commonly used in ControlLogix-based automation systems where a reliable DC power source is required. Typical installations include manufacturing lines, process control systems, and heavy-duty machinery where 24V DC infrastructure is standard.\u003c\/p\u003e\n\u003cp\u003eIt is particularly suitable for applications that rely on battery-backed or DC UPS systems, ensuring continued operation during AC power interruptions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhere is the 1756-PB75 installed in the system?\u003c\/strong\u003e\u003cbr\u003eIt mounts on the left side of a ControlLogix chassis and supplies power to the entire rack.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of input power does it require?\u003c\/strong\u003e\u003cbr\u003eIt operates on 24V DC nominal input, with an acceptable range of 18–32V DC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does it differ from AC power supply modules?\u003c\/strong\u003e\u003cbr\u003eUnlike AC models, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PB75\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed for DC-powered systems, making it suitable for applications with DC distribution or backup power systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs external protection required?\u003c\/strong\u003e\u003cbr\u003eProper upstream circuit protection is recommended as part of system design, even though the module is designed to handle inrush conditions.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43320974737498,"sku":"1756-PB75","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-PB752.jpg?v=1778048110","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-pb75-controllogix-dc-power-supply","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}