{"product_id":"1769-pb2-24vdc-compactlogix-power-supply-allen-bradley-unit","title":"1769-PB2 24VDC CompactLogix Power Supply Allen-Bradley Unit","description":"\u003ch3\u003eEngineering Overview \u0026amp; System Architecture\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e**1769-PB2**\u003c\/span\u003e is a high-performance DC power supply module engineered specifically for the \u003cspan style=\"color: #0056b3;\"\u003e**CompactLogix**\u003c\/span\u003e controller platform by \u003cspan style=\"color: #0056b3;\"\u003e**Allen-Bradley**\u003c\/span\u003e (Rockwell Automation). Designed to energize distributed expansion I\/O banks, the \u003cspan style=\"color: #0056b3;\"\u003e**1769-PB2**\u003c\/span\u003e delivers stable low-voltage DC power across both left and right modular connection rails while maintaining strict electrical isolation.\u003c\/p\u003e\n\u003ch3\u003eCore Technical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Specification Detail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer \u0026amp; Brand\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation \/ Allen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series \u0026amp; Type\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e**\u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/allen-bradley-1769-compactlogix\"\u003eCompactLogix\u003c\/a\u003e**\u003c\/span\u003e DC Power Supply Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Catalog Number\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e**1769-PB2**\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (Operating range: 19.2 to 31.2 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Output Capacities\u003c\/td\u003e\n\u003ctd\u003e2.0 A @ 5 VDC and 0.8 A @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption \u0026amp; Dissipation\u003c\/td\u003e\n\u003ctd\u003e50 VA input power; 7.5W thermal dissipation @ 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Inrush Current\u003c\/td\u003e\n\u003ctd\u003e30 A @ 31.2 VDC input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Isolation Voltage\u003c\/td\u003e\n\u003ctd\u003e75 Volts rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOperational Modes \u0026amp; System Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Distance Rating:\u003c\/strong\u003e Supports a distance rating of 8, enabling up to 8 expansion modules to connect on the left side and 8 on the right side for a maximum capacity of 16 modules.\u003c\/li\u003e\n\u003cli\u003eSeries A and Series B platform compatibility across standard CompactLogix architecture layouts.\u003c\/li\u003e\n\u003cli\u003eIntegrated internal protection featuring factory-installed replaceable fuses (Wickmann 19193-6.3A \/ Littelfuse 021706.3MXP).\u003c\/li\u003e\n\u003cli\u003eLine loss ride-through capability ranging from a minimum of 10 milliseconds up to 10 seconds under nominal loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guidelines \u0026amp; Commissioning Convenience\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the unit securely using standard DIN rail attachment or direct panel mounting tabs inside an appropriate protective enclosure.\u003c\/li\u003e\n\u003cli\u003eUtilize solid or stranded copper wire sized between 22 and 14 AWG with a 90°C thermal insulation rating for primary power connections.\u003c\/li\u003e\n\u003cli\u003eVerify barrier-type terminal block connections against printed terminal identification diagrams before energizing the 24VDC supply line.\u003c\/li\u003e\n\u003cli\u003eInspect finger-safe terminal covers to ensure accidental contact protection is fully engaged prior to system startup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic Capabilities \u0026amp; Industrial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault Protection:\u003c\/strong\u003e Built-in surge and overcurrent protection mechanisms safeguard connected backplane rails against transient voltage spikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Resilience:\u003c\/strong\u003e Withstands operating vibration up to 5G at 10-500 Hz and 30G operating shock parameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Applications:\u003c\/strong\u003e Deployed extensively in discrete manufacturing machinery, automated packaging systems, skid-mounted water pumps, and material handling conveyor controls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eAutomation technicians deploying the \u003cspan style=\"color: #0056b3;\"\u003e**1769-PB2**\u003c\/span\u003e power supply frequently overlook cumulative 5VDC current draws when expanding near the 16-module limit. During a recent automotive assembly line troubleshooting session, our engineering team resolved intermittent processor reboots by redistributing heavy sensor loads to an auxiliary \u003cspan style=\"color: #0056b3;\"\u003e**1769-PB2**\u003c\/span\u003e unit, eliminating voltage sag across the backplane bus.\u003c\/p\u003e\n\u003ch3\u003eLogistics, Packaging \u0026amp; Warranty Terms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Inclusion:\u003c\/strong\u003e 1x \u003cspan style=\"color: #0056b3;\"\u003e**1769-PB2**\u003c\/span\u003e CompactLogix DC Power Supply Module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFulfillment Schedule:\u003c\/strong\u003e Fast 24 to 48-hour order processing and dispatch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Couriers:\u003c\/strong\u003e Secure worldwide shipping handled via FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Assurance:\u003c\/strong\u003e Fully backed by a comprehensive 12-month operational warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ) \u0026amp; Buying Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many total I\/O modules can a single 1769-PB2 power supply energize?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It supports a maximum of 16 expansion modules, with a distance rating allowing up to 8 modules connected on the left side and 8 modules on the right side.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What wire size and temperature rating are required for the input power terminals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Use solid or stranded copper wire sized between 22 and 14 AWG (specifically 14 AWG recommended) rated for 90°C (194°F) or greater.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What action should be taken if the internal fuse trips due to a power surge?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Replace the blown fuse with an identical manufacturer-approved model, such as the Wickmann 19193-6.3A or Littelfuse 021706.3MXP.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this power supply support both DIN rail and direct panel mounting methods?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the unit is engineered to support both standard DIN rail installation and direct backplate mounting using its upper and lower panel mounting tabs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Buying Guide: When should I add a second power supply to my CompactLogix rack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Integrate an additional \u003cspan style=\"color: #0056b3;\"\u003e**1769-PB2**\u003c\/span\u003e when your total 5VDC current draw exceeds 2.0 Amps or your 24VDC auxiliary load surpasses 0.8 Amps across the expansion bank.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013903737014,"sku":"1769-PB2","price":158.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1769-PB2_65eafe33-90e1-40d9-8821-d887327f0543.jpg?v=1788944752","url":"https:\/\/www.plcsparehub.com\/products\/1769-pb2-24vdc-compactlogix-power-supply-allen-bradley-unit","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}