{"product_id":"1606-xlb240e-power-supply-unit-allen-bradley-bulletin-1606-xlb-series-24vdc","title":"1606-XLB240E Power Supply Unit Allen-Bradley Bulletin 1606-XLB Series 24VDC","description":"\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e1606-XLB240E\u003c\/span\u003e\u003c\/strong\u003e DIN-rail switch-mode power supply engineered by \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eAllen-Bradley\u003c\/span\u003e\u003c\/strong\u003e provides dependable 24VDC power conversion for dense industrial control panels. Part of the robust \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eBulletin 1606-XLB\u003c\/span\u003e\u003c\/strong\u003e basic series, this unit delivers up to 10A of continuous output current while maintaining high energy efficiency exceeding 94%. Plant installation experience demonstrates that its broad wide-range AC input and low thermal dissipation significantly improve reliability across continuous factory automation shifts.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 99.9421%; height: 196px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4058%; height: 19.6px;\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.6812%; height: 19.6px;\"\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eAllen-Bradley\u003c\/span\u003e\u003c\/strong\u003e (Rockwell Automation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4058%; height: 19.6px;\"\u003e\u003cstrong\u003eCatalog Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.6812%; height: 19.6px;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e1606-XLB240E\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4058%; height: 19.6px;\"\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.6812%; height: 19.6px;\"\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eBulletin 1606-XLB\u003c\/span\u003e\u003c\/strong\u003e Basic Power Supply Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4058%; height: 19.6px;\"\u003e\u003cstrong\u003eDevice Classification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.6812%; height: 19.6px;\"\u003eSwitch-Mode DIN-Rail Power Supply Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4058%; height: 19.6px;\"\u003e\u003cstrong\u003eNominal DC Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.6812%; height: 19.6px;\"\u003e24V to 28V Adjustable (10A at 24V \/ 8.6A at 28V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4058%; height: 19.6px;\"\u003e\u003cstrong\u003eWide Range AC Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.6812%; height: 19.6px;\"\u003e100V to 240V AC Nominal (±10% Tolerance, 50-60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4058%; height: 19.6px;\"\u003e\u003cstrong\u003eConversion Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.6812%; height: 19.6px;\"\u003eTypical 94.0% at 120Vac \/ 95.2% at 230Vac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4058%; height: 19.6px;\"\u003e\u003cstrong\u003eOperational Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.6812%; height: 19.6px;\"\u003e-25°C to +70°C (with thermal derating above +55°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4058%; height: 19.6px;\"\u003e\u003cstrong\u003eDiagnostic Signaling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.6812%; height: 19.6px;\"\u003eIntegrated DC-OK Relay Contact Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4058%; height: 19.6px;\"\u003e\u003cstrong\u003ePhysical Dimensions \u0026amp; Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.6812%; height: 19.6px;\"\u003eWidth: 49 mm | Height: 124 mm | Depth: 124 mm | Weight: Max 540g (1.2lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSnap the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e1606-XLB240E\u003c\/span\u003e\u003c\/strong\u003e securely onto a standard DIN-rail inside your main control enclosure.\u003c\/li\u003e\n\u003cli\u003eMaintain minimum vertical spacing above and below the housing to permit natural convective airflow and heat dissipation.\u003c\/li\u003e\n\u003cli\u003eStrip incoming wire insulation precisely to 7mm (0.28 inch) to prevent exposed copper outside terminal blocks.\u003c\/li\u003e\n\u003cli\u003eInsert solid or stranded conductors (20-10 AWG) into screw terminals and torque securely to 1 Nm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommissioning and Maintenance Convenience\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify output DC regulation status instantly using the integrated front-panel DC-OK contact signal.\u003c\/li\u003e\n\u003cli\u003eAdjust nominal output voltage smoothly between 24V and 28V using the accessible front faceplate trimmer.\u003c\/li\u003e\n\u003cli\u003ePerform routine terminal tightness checks during scheduled preventive maintenance windows without specialized tools.\u003c\/li\u003e\n\u003cli\u003eLeverage screw-clamp terminal blocks designed for rapid wiring changes during panel modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully compatible with standard 24V industrial control electronics, PLCs, sensors, and actuator loops.\u003c\/li\u003e\n\u003cli\u003eDesigned to mount directly onto standard 35mm DIN rails in accordance with industrial cabinet standards.\u003c\/li\u003e\n\u003cli\u003eMatches global utility voltage standards spanning single-phase 100V to 240V AC electrical grids.\u003c\/li\u003e\n\u003cli\u003eConforms to generic EMC immunity and emission specifications (IEC 61000-6 series).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertification Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured in strict compliance with international industrial electronic safety standards.\u003c\/li\u003e\n\u003cli\u003eMeets EN 55011\/22 Class B requirements for radiated and conducted electromagnetic emissions.\u003c\/li\u003e\n\u003cli\u003eComplies with IEC 61000-3-2 Class A standards regarding harmonic input current limitation.\u003c\/li\u003e\n\u003cli\u003eRoHS compliant construction restricting hazardous substance content.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage List and Warranty Terms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne factory-inspected \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e1606-XLB240E\u003c\/span\u003e\u003c\/strong\u003e power supply unit\u003c\/li\u003e\n\u003cli\u003ePrinted technical installation leaflet and terminal connection guide\u003c\/li\u003e\n\u003cli\u003eStandard 12-month comprehensive replacement warranty protecting against manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping and Logistics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRapid order fulfillment with inventory dispatch completed within 24 to 48 hours\u003c\/li\u003e\n\u003cli\u003eReliable global express shipping handled via trusted carrier networks including FedEx, UPS, and DHL\u003c\/li\u003e\n\u003cli\u003eHeavy-duty protective packaging designed to absorb transport shocks and prevent moisture damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTarget Equipment Applications and Diagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Fit:\u003c\/strong\u003e Ideal for powering distributed PLC racks, relay logic cabinets, instrumentation loops, HMI touchscreens, and solenoid valve manifolds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePractical Example:\u003c\/strong\u003e In a multi-bay packaging machine panel, this power supply maintains stable 24V delivery during fluctuating plant line voltages, preventing nuisance controller resets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault Diagnostics:\u003c\/strong\u003e Internal monitoring tracks output voltage drops and thermal stress, signaling anomalies through the dry DC-OK relay contact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Protection:\u003c\/strong\u003e Built-in input transient protection and thermal derating safeguard downstream electronics against grid surges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB Review\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB Review: The \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e1606-XLB240E\u003c\/span\u003e\u003c\/strong\u003e power supply unit delivers exceptional energy efficiency and steady voltage regulation for demanding factory environments. Control engineers frequently specify this Bulletin 1606-XLB model for its compact 49mm width and reliable performance under high ambient operating temperatures.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What selection factors should be evaluated when choosing this 10A power supply for a control panel upgrade?\u003c\/strong\u003e\u003cbr\u003eA: Verify that your total continuous 24V load consumption stays within the 10A rating at 24V (or 8.6A at 28V), confirm that your incoming supply matches the 100-240V AC range, and ensure sufficient cabinet side clearance for thermal management.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does ambient temperature affect the continuous current output capacity of this unit?\u003c\/strong\u003e\u003cbr\u003eA: The power supply operates up to +55°C without derating, but requires a 6W per degree Celsius output derating when ambient temperatures climb between +55°C and +70°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What practical field troubleshooting step should be taken if the DC-OK contact trips open?\u003c\/strong\u003e\u003cbr\u003eA: Check the front voltage adjustment potentiometer, measure input AC voltage levels to confirm they remain within the ±10% tolerance band, and inspect downstream wiring for partial short circuits or overloads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this power supply be adjusted to deliver higher than 24V DC to compensate for long cable runs?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the output voltage is field adjustable from 24V up to 28V DC using the front-panel trimmer to compensate for voltage drop across extended wiring distances.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the standard dispatch workflow when ordering this replacement unit for urgent plant maintenance?\u003c\/strong\u003e\u003cbr\u003eA: Orders undergo immediate inventory processing and secure packaging, shipping out within 24 to 48 hours via premium international express couriers including FedEx, UPS, and DHL.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":67613794861238,"sku":"1606-XLB240E","price":163.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1606-XLB240E.jpg?v=1791618874","url":"https:\/\/www.plcsparehub.com\/products\/1606-xlb240e-power-supply-unit-allen-bradley-bulletin-1606-xlb-series-24vdc","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}