{"product_id":"ab-allen-bradley-1756-pb50-slim-controllogix-dc-power-supply-module","title":"AB Allen-Bradley 1756-PB50 Slim ControlLogix DC Power Supply Module","description":"\u003ch3\u003eProduct Summary\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-PB50\u003c\/strong\u003e is a \u003cstrong\u003eSlim ControlLogix DC Power Supply\u003c\/strong\u003e by Rockwell Automation. It provides \u003cstrong\u003e24V DC input\u003c\/strong\u003e power conversion for ControlLogix chassis, delivering up to \u003cstrong\u003e8 A at 5.1V DC\u003c\/strong\u003e to the backplane. Its slim form factor reduces cabinet space requirements while maintaining full compatibility with all standard ControlLogix I\/O modules and controllers.\u003c\/p\u003e\n\n\u003ch3\u003eCore Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e 1756-PB50\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e ControlLogix Slim DC Power Supply\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 18–32V DC (nominal 24V DC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Input Power:\u003c\/strong\u003e 50W at 50°C; 60W at 0–50°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current @ 5.1V DC:\u003c\/strong\u003e 8A (0–50°C); 6A (0–60°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current @ 1.2V DC:\u003c\/strong\u003e 1.5A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current @ 3.3V DC:\u003c\/strong\u003e 2A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current @ 24V DC:\u003c\/strong\u003e 2.0A (60°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Surge Current:\u003c\/strong\u003e 30A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIsolation Voltage:\u003c\/strong\u003e 250V continuous\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.7 lbs (0.77 kg)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5.51 × 3.07 × 5.71 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Allen-Bradley by Rockwell Automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical \u0026amp; Functional Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Conversion:\u003c\/strong\u003e Converts 24V DC input to multiple backplane voltages (1.2V, 3.3V, 5.1V, 24V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlim Design:\u003c\/strong\u003e Reduced width compared to standard 1756-PB72\/PB75 power supplies for space-constrained cabinets\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Mounts in left slot of 1756 ControlLogix chassis\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e Open-style (none)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e 2.5 mm² (14 AWG) solid or stranded copper wire rated at 90°C minimum; max insulation 1.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSystem Integration \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Chassis:\u003c\/strong\u003e 1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17 (Series A, B, C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Controllers:\u003c\/strong\u003e All 1756-L6x, 1756-L7x, 1756-L8x ControlLogix and GuardLogix controllers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible I\/O:\u003c\/strong\u003e All 1756-series I\/O modules within power budget\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelated Power Supplies:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e1756-PA50 — Slim AC power supply (85–265V AC)\u003c\/li\u003e\n      \u003cli\u003e1756-PB72 — Standard DC power supply (18–32V DC, 10A @ 5V)\u003c\/li\u003e\n      \u003cli\u003e1756-PB75 — High-capacity DC power supply (18–32V DC, 13A @ 5V)\u003c\/li\u003e\n      \u003cli\u003e1756-PC75 — 24V DC direct backplane power supply\u003c\/li\u003e\n      \u003cli\u003e1756-PH75 — 120\/240V AC high-capacity power supply\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Operational Limits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to 60°C (32°F to 140°F)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to +85°C (-40°F to 185°F)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e 5% to 95% RH, non-condensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVibration:\u003c\/strong\u003e 2G, 10 to 500 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShock:\u003c\/strong\u003e 30G operating; 50G non-operating\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApprovals:\u003c\/strong\u003e CE, UL, CUL\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cp\u003eWidely deployed in manufacturing, material handling, packaging, process skids, and OEM machines where 24V DC input power is preferred and cabinet space is limited.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eWhat is the difference between 1756-PB50 and 1756-PB72?\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003e1756-PB50\u003c\/strong\u003e is a \u003cstrong\u003eslim\u003c\/strong\u003e DC power supply delivering \u003cstrong\u003e8A @ 5.1V\u003c\/strong\u003e. The \u003cstrong\u003e1756-PB72\u003c\/strong\u003e is a standard-width DC power supply delivering \u003cstrong\u003e10A @ 5.1V\u003c\/strong\u003e. The PB50 saves cabinet space but provides less current capacity.\u003c\/p\u003e\n\n\u003ch4\u003eCan I use the 1756-PB50 with any ControlLogix chassis?\u003c\/h4\u003e\n\u003cp\u003eYes — it is compatible with \u003cstrong\u003e1756-A4, -A7, -A10, -A13, -A17\u003c\/strong\u003e chassis (Series A, B, C). Verify total backplane current draw does not exceed the PB50's 8A @ 5.1V rating.\u003c\/p\u003e\n\n\u003ch4\u003eWhat wire size do I need?\u003c\/h4\u003e\n\u003cp\u003eUse \u003cstrong\u003e2.5 mm² (14 AWG)\u003c\/strong\u003e solid or stranded copper wire rated at \u003cstrong\u003e90°C (194°F)\u003c\/strong\u003e or higher, with maximum insulation diameter of \u003cstrong\u003e1.2 mm\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch4\u003eWhat are the related part numbers?\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1756-PA50 — Slim AC power supply (85–265V AC)\u003c\/li\u003e\n  \u003cli\u003e1756-PB50 — Slim DC power supply, 24V DC input (this part)\u003c\/li\u003e\n  \u003cli\u003e1756-PB72 — Standard DC power supply, 10A @ 5V\u003c\/li\u003e\n  \u003cli\u003e1756-PB75 — High-capacity DC power supply, 13A @ 5V\u003c\/li\u003e\n  \u003cli\u003e1756-PC75 — 24V DC direct backplane power supply\u003c\/li\u003e\n  \u003cli\u003e1756-PH75 — 120\/240V AC high-capacity power supply\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53684184055992,"sku":"1756-PB50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1756-PB50.png?v=1782973982","url":"https:\/\/www.globalpetroparts.com\/products\/ab-allen-bradley-1756-pb50-slim-controllogix-dc-power-supply-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}